Top Flite Focke-Wulf 190 D9 Instruction Manual

WARRANTY.....Top Flite Models guarantees this kit to be free of defects in both material and workmanship at the date of purchase. This warranty
does not cover any component parts damaged by use or modification. In no case shall Top Flite‘s liability exceed the original cost of the purchased kit. Further, Top Flite reserves the right to change or modify this warranty without notice. In that Top Flite has no control over the final assembly or material used for final assembly, no liability shall be assumed nor accepted for any damage resulting from the use by the user of the final user-assembled product. By the act of using the user-assembled product the user accepts all resulting liability. If the buyer is not prepared to accept the liability associated with the use of this product, the buyer is advised to immediately return this kit in
new and unused condition to the place of purchase.
Top Flite Models P.O. Box 788 Urbana, Il 61803 Technical Assistance Call (217)398-8970 productsupport@top-flite.com
USA
MADE IN
FW60P03 for TOPA0150 V1.0
Entire Contents © Copyright 2000
Wingspan: 63.5 in [1613mm] Wing Area: 711.5 sq in [45.9 sq dm] Weight: 8 -10 lbs [3.6 - 4.5kg] Wing Loading: 26-32 oz/sq ft
[80-98 g/sq dm]
Length: 57.75 in [1467mm]
TABLE OF CONTENTS
INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . .2
PRECAUTIONS . . . . . . . . . . . . . . . . . . . . . . . . .3
DECISIONS YOU MUST MAKE . . . . . . . . . . . . .3
Engine selection . . . . . . . . . . . . . . . . . . . . . . .3
Exhaust system . . . . . . . . . . . . . . . . . . . . . . . .4
Fixed gear or retracts . . . . . . . . . . . . . . . . . . .4
Flaps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Cockpit & pilot . . . . . . . . . . . . . . . . . . . . . . . . .4
Trim scheme . . . . . . . . . . . . . . . . . . . . . . . . . .4
COMPETITION-MINDED MODELERS . . . . . . . .5
SCALE DOCUMENTATION . . . . . . . . . . . . . . . .5
OTHER ITEMS REQUIRED . . . . . . . . . . . . . . . .5
BUILDING SUPPLIES . . . . . . . . . . . . . . . . . . . .5
Adhesives . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
COVERING TOOLS & ACCESSORIES . . . . . . .6
IMPORTANT BUILDING NOTES . . . . . . . . . . . .7
METRIC CONVERSIONS . . . . . . . . . . . . . . . . . .7
TYPES OF WOOD . . . . . . . . . . . . . . . . . . . . . . .7
DIE-CUT PATTERNS . . . . . . . . . . . . . . . . . .8 & 9
GET READY TO BUILD . . . . . . . . . . . . . . . . . .10
BUILD THE TAIL SURFACES . . . . . . . . . . . . .10
Build the stabilizer and elevators . . . . . . . . . .10
Finish the elevators . . . . . . . . . . . . . . . . . . . .14
Build the fin . . . . . . . . . . . . . . . . . . . . . . . . . .15
BUILD THE FUSELAGE . . . . . . . . . . . . . . . . .16
Frame the fuse top . . . . . . . . . . . . . . . . . . . .16
Mount the stab and fin . . . . . . . . . . . . . . . . . .18
Sheet the top of the fuse . . . . . . . . . . . . . . . .19
Build the fuse bottom . . . . . . . . . . . . . . . . . . .22
Sheet the bottom of the fuse . . . . . . . . . . . . .23
Mount the tail gear . . . . . . . . . . . . . . . . . . . .24
Build the rudder . . . . . . . . . . . . . . . . . . . . . . .26
Finish the turtle deck . . . . . . . . . . . . . . . . . . .27
Mount the engine . . . . . . . . . . . . . . . . . . . . .28
BUILD THE WING . . . . . . . . . . . . . . . . . . . . . .28
Preparation . . . . . . . . . . . . . . . . . . . . . . . . . .28
Frame the wing panel . . . . . . . . . . . . . . . . . .30
Fit the landing gear . . . . . . . . . . . . . . . . . . . .33
Finish the bottom of the wing . . . . . . . . . . . . .35
Join the wing panels . . . . . . . . . . . . . . . . . . .35
Sheet the bottom of the wing . . . . . . . . . . . . .36
Build the wing tips . . . . . . . . . . . . . . . . . . . . .37
Build the flaps . . . . . . . . . . . . . . . . . . . . . . . .38
Hinge the flaps . . . . . . . . . . . . . . . . . . . . . . .39
Finish building the ailerons . . . . . . . . . . . . . .39
Hook up the flaps and ailerons . . . . . . . . . . .40
Finish the wing . . . . . . . . . . . . . . . . . . . . . . .41
FINAL CONSTRUCTION . . . . . . . . . . . . . . . . .43
Mount the wing to the fuse . . . . . . . . . . . . . .43
Make the wing fillets . . . . . . . . . . . . . . . . . . .45
Build the belly pan . . . . . . . . . . . . . . . . . . . . .46
Assemble the cowl . . . . . . . . . . . . . . . . . . . .47
Mount the muffler . . . . . . . . . . . . . . . . . . . . .48
Hook up the throttle . . . . . . . . . . . . . . . . . . . .49
Install the fuel tank . . . . . . . . . . . . . . . . . . . .50
Test fit the cockpit kit . . . . . . . . . . . . . . . . . . .50
Mount the receiver and battery pack . . . . . . .51
Balance the airplane laterally . . . . . . . . . . . . .52
FINISHING . . . . . . . . . . . . . . . . . . . . . . . . . . . .52
Final preparations . . . . . . . . . . . . . . . . . . . . .52
Trim scheme . . . . . . . . . . . . . . . . . . . . . . . . .52
Cover the model . . . . . . . . . . . . . . . . . . . . . .52
Machine gun cover . . . . . . . . . . . . . . . . . . . .53
Supercharger intake . . . . . . . . . . . . . . . . . . .53
Landing gear covers . . . . . . . . . . . . . . . . . . .54
Display propeller . . . . . . . . . . . . . . . . . . . . . .54
Painting . . . . . . . . . . . . . . . . . . . . . . . . . . . . .54
Exhaust stacks . . . . . . . . . . . . . . . . . . . . . . .55
FINAL ASSEMBLY . . . . . . . . . . . . . . . . . . . . . .56
Join the control surfaces . . . . . . . . . . . . . . . .56
Hook up the controls . . . . . . . . . . . . . . . . . . .56
Mount the canopy . . . . . . . . . . . . . . . . . . . . .57
GET YOUR MODEL READY TO FLY . . . . . . . .57
Balance your model . . . . . . . . . . . . . . . . . . . .57
Set the control throws . . . . . . . . . . . . . . . . . .58
PREFLIGHT . . . . . . . . . . . . . . . . . . . . . . . . . . .59
Identification . . . . . . . . . . . . . . . . . . . . . . . . .59
Charge batteries . . . . . . . . . . . . . . . . . . . . . .59
Balance propellers . . . . . . . . . . . . . . . . . . . . .59
Ground check . . . . . . . . . . . . . . . . . . . . . . . .59
Range check
ENGINE SAFETY PRECAUTIONS . . . . . . . . . .59
AMA SAFETY CODE . . . . . . . . . . . . . . . . . . . .60
CHECK LIST . . . . . . . . . . . . . . . . . . . . . . . . . .60
FLYING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .61
Fuel mixture adjustment . . . . . . . . . . . . . . . .61
3-VIEW . . . . . . . . . . . . . . . . . . . . . . .Back cover
INTRODUCTION
Thank you and congratulations for purchasing the Top Flite Gold Edition Focke-Wulf 190 D9. If you haven’t yet spent much time studying the Focke­Wulf, you will soon come to realize that, although at a first glance it appears to be a rather conventional appearing plane, in actuality the Focke-Wulf has some very interesting lines and features. And the “D” model (a “stretched” version of its predecessor, the A) is the most interesting Focke-Wulf with the extended nose and aft “fuse plug”. If you’re not already a big fan of the Focke-Wulf, after a while it will begin to grow on you. This 1/7th scale Top Flite Gold Edition model is an ideal plan-form with long nose and tail moments and adequate wing area—perfect ingredients for a smooth flying plane no matter what the type. In spite of its interesting lines, building this kit is rather straight-forward. Though the fuse is sheeted in several sections, none of the contours should present any difficulty for the average modeler (especially since the sheeting is only 1/16" thick). In the wing, pneumatic retract installation is straightforward with suggestions on air line routing and other details. The characteristic extra long landing gear struts, and the structural problems they present, have been addressed by slightly shortening the struts and by reinforcing the landing gear area with 1/8" birch ply landing gear webs.
With this kit you can achieve whatever level of detail you like. Just by following the instructions and finishing the plane in a scale-looking trim scheme, beginning scale modelers will end up with a model that very much represents a full-size Fw 190D. Experienced builders will find ways to add even more detail, making this Top Flite
Gold Edition
kit
competitive in scale competition.
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Your Focke-Wulf is not a toy, but a sophisticated working model that functions very much like a full­size airplane. Because of its realistic performance, if you do not assemble and operate your Focke-Wulf correctly, you could possibly injure yourself or spectators and damage property.
If this is your first scale model, get the assistance of an experienced modeler who has flown this type of plane before. Once completed,
your Focke-Wulf will have much value. An experienced modeler can help you with “pre-flight” and possibly identify something you may have overlooked during construction or setup. He can also help you with your first few flights. If you’re not already a member of a club, contact the Academy of Model Aeronautics (AMA), which has more than 2,500 chartered clubs across the country. AMA Membership is required at chartered club fields where experienced modelers and qualified flight instructors are available. Contact the AMA at the address or toll-free phone number below.
Academy of Model Aeronautics
5151 East Memorial Drive
Muncie, IN 47302
(800) 435-9262
Fax (765) 741-0057
or via the Internet at: http://www.modelaircraft.org
1. You must build the plane according to the plan and instructions. Do not alter or modify the model, as doing so may result in an unsafe or unflyable model. In
a few cases the plan and instructions may differ slightly from the photos. In those instances the plan and written instructions are correct.
2. You must take time to build straight, true and strong.
3. You must use a proper R/C radio that is in first class condition, the correct sized engine and correct components (fuel tank, wheels, etc.) throughout your building process.
4. You must properly install all R/C and other components so that the model operates properly on the ground and in the air.
5. You must test the operation of the model before every flight to insure that all equipment is operating and you must make certain that the model has remained structurally sound.
6. If you are not already an experienced R/C pilot, you must fly the model only with the help of a competent, experienced R/C pilot.
Please inspect all parts carefully before starting to build! If any parts are missing, broken or defective, or if you have any questions about building or flying this model, please call us at:
(217) 398-8970 or e-mail us at
productsupport@top-flite.com
We’ll be glad to help. If you are calling for replacement parts, please look up the part numbers and the kit identification number (stamped on the end of the carton) and have them ready when you call.
ENGINE SELECTION
Recommended engine size:
.61 to .75 cu. in. [10.0 - 12.0cc] 2-stroke
-or-
.70 to .91 cu. in. [11.5 - 15.0cc] 4-stroke
Your Focke-Wulf will fly well with any of the recommended engines. 4-stroke engines and most .75 cu. in. 2-stroke engines will turn a larger prop at lower RPM.This is often desirable for scale realism. However, many .61 cu. in. 2-stroke engines produce about as much horsepower as .75 2-stroke and will fly the Focke-Wulf extremely well. If you use a .61 2-stroke engine, a ball bearing, Schnuerle-ported engine is recommended. Our flying prototype flew on an O.S.®MAX .61 FX. This engine provided excellent performance and more than enough power. Although larger engines may be used, the extra horsepower is not needed.
The included adjustable engine mount will hold a range of engines from .61 cu. in. 2-stroke through .91 cu. in. 4-stroke.
DECISIONS YOU MUST MAKE
NOTE: We, as the kit manufacturer, provide you
with a top quality kit and great instructions, but ultimately the quality and flyability of your finished model depends on how you build it; therefore, we cannot in any way guarantee the performance of your completed model, and no representations are expressed or implied as to the performance or safety of your completed model.
Your Top Flite Gold Edition Focke-Wulf is intended for scale and general sport flying including mild aerobatics such as loops, stall turns, rolls, etc. Its structure is designed to withstand such stresses. If you intend to use your Focke-Wulf for more rigorous types of flying such as racing or aggressive aerobatics, it is your responsibility to reinforce areas of the model that will be subjected to the resulting unusually high stresses.
PROTECT YOUR MODEL,
YOURSELF & OTHERS
FOLLOW THESE IMPORTANT
SAFETY PRECAUTIONS
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COCKPIT AND PILOT
Your model won’t be complete without the Top Flite Focke-Wulf Cockpit Kit (TOPQ8411). It includes the floor, side panels, instrument panel, seat, headrest and hardware. The cockpit kit can be installed after the fuselage is completed, but is easier to install if you have it on hand during construction. Should you choose not to install the scale Top Flite Cockpit Kit, you could leave the cockpit empty or make your own cockpit from balsa or thin cardboard (from cereal boxes.)
Top Flite also offers a 1/7 scale WW II American Full Body Pilot (he could be painted in German flight gear!). The order number is TOPQ9000.
TRIM SCHEME
The model on the kit box was covered with dove gray Top Flite MonoKote®film, then painted with Testors Model Master Acrylic paint followed by a clear-coat of Top Flite LustreKote®flat clear. A painted finish is the only way to reproduce the spray painted camouflaged “patchwork” trim schemes found on full-size Focke-Wulfs. If you do decide to paint your model, the balsa skin must first be covered either with MonoKote film, glass cloth and resin, or another type of covering. Refer to the
Finishing
section near the back of the manual for more details that may help you decide how to finish your model. Since you don’t have to finish it today, there is time to seek the advice of experienced builders in your club who can give you tips on how to prep, cover and paint a balsa model.
If you prefer not to do the work required of a painted trim scheme, you may find a simpler scale trim scheme, or make up your own scale­appearing trim scheme simply by covering the Focke-Wulf with a few of the flat military MonoKote colors such as dove gray, olive drab, cream, tan, sky blue, insignia blue and black.
These items are required for retractable landing gear:
CJM Focke-Wulf retractable landing gear (CJMQ3072) Robart #164G Hand Pump with Gauge (ROBQ2363) Williams Bros. #143 3-3/4" Smooth Contour Wheels (WBRQ1143) Servo for the air control valve (micro or mini servo preferred) Light weight glass cloth to reinforce wing sheeting in wheel wells (HCAR5000) (8) #6 x 1/2" screws (GPMQ3160, pkg. of 8)
These items are required for fixed landing gear:
3-3/4" Main Wheels (4) 3/16" wheel collars (GPMQ4308)
FLAPS
The Focke-Wulf is designed to incorporate scale split flaps; however, flaps are optional and not necessary for an excellent flying experience. Without flaps, the takeoff roll is longer and the landing speed is faster.
Flaps are not difficult to build, but they do require good craftsmanship to fit well. Flaps add nicely to the model’s flight characteristics and scale appearance, and are highly recommended for those who wish to install them. You will find additional information on the use of the flaps in the
Flying
section near the end of this manual.
For Flaps, you will need the following additional items:
Two standard servos (1) Y-connector (HCAM2500 - Futaba
®
J)
(6) Small Pivot Point Hinges
(GPMQ4001, pkg. of 15)
EXHAUST SYSTEM
A Top Flite header and muffler are available that will fit inside the cowl. They are designed for 2-stroke engines mounted inverted as used on the model and shown in the instructions.
Headers for:
O.S.
®
.61SF, SX - TOPQ7920
SuperTigre
®
.61-.75 K series (muffler bolts go through the muffler and screw into the engine) - TOPQ7925
SuperTigre .61-.75 G series (muffler bolts go
through the engine and screw into the muffler)
- TOPQ7926
.61-.75 Warbird In-Cowl Muffler, TOPQ7915
There may be other exhaust systems that will work with this model. If you prefer to use another exhaust system, consider any modifications that may have to be made to accommodate it. It may be helpful to get your exhaust system as soon as possible and place it over the plan to visualize how it will fit. This will minimize delays when you get to that point.
FIXED GEAR OR RETRACTS
You may build your Focke-Wulf with either fixed or retractable landing gear.The pre bent landing gear wires are included to build the kit with fixed gear. Should you decide to install retracts, detailed instructions are provided. The Gold Edition Focke­Wulf is designed to accept the Century Jet Models’ #39025 pneumatic retracts. You may use other retractable landing gear systems but it is up to you to make any modifications necessary. A micro servo was used in the prototype to operate the air control valve. A standard servo could be used for this, but will take up a bit more room.
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COMPETITION-MINDED MODELERS
The outline of the Top Flite
Gold Edition
Focke-Wulf D9 was derived from three-view drawings, photos and highly detailed static kits. Some areas of the outline have been slightly changed to improve flight characteristics. Notably, the area of the “tail feathers” has been increased to improve directional stability and control. The landing gear struts have been shortened slightly to improve handling and durability, and do not retract fully into the wing, but protrude below the wing approximately 1/8".
The approximate scale of this model is 1:6.5.
If you plan to enter your Focke-Wulf in scale competition (it’s lots of fun, and the runways are usually paved!), this kit may be entered in Fun Scale, Sportsman Scale and Expert Scale classes in AMA competition. All classes have the same flight requirements in which you must perform ten maneuvers, five of which are mandatory. The other five are up to you—“easy” stuff like a slow, low inspection pass with flaps extended, or maybe a touch-and-go. If you have never competed in a scale contest, you could start out in Fun Scale. In Fun Scale, the only documentation required is any proof that a full-size aircraft of this type, in the paint/markings scheme on your model, did exist. A single photo, a kit box cover from a plastic model, or even a painting is sufficient proof! If you’re interested, contact the AMA for a rule book that will tell you everything you need to know. You can find a contest schedule in the back of the AMA magazine (Model Aviation).
One last note for those who are interested in scale competition; Strive to build your model to reflect your documentation. Whatever lines and features appear on the full size plane should also appear on your model. Refer to the photos and documentation of the Focke-Wulf you are using for your model.
SCALE DOCUMENTATION
Three-view drawings and photo packs of full size Focke-Wulfs are available from:
Scale Model Research
3114 Yukon Ave.
Costa Mesa, CA 92626
(714) 979-8058
Fax: (714) 979-7279
Even if you’re not intending to build your Fw 190D for competition, photos and color drawings are extremely useful for completing much of the detail work such as the machine gun cover, landing gear covers, antenna mast, panel lines, etc. Squadron/Signal Publications has a series of books with dozens of close-up photos and highly accurate color drawings featuring trim schemes that may help you decide how to finish your model. One of the Focke-Wulf books is listed below and is available from most hobby shops.
Fw 190D Walk Around, No. 5510 (order number SSPZ5510)
OTHER ITEMS REQUIRED
These are the additional items you will need to complete your Focke-Wulf 190D that have not already been mentioned and are not included with the kit. Order numbers are in parentheses (HCAM2200). TOP is the Top Flite brand, GPM is the Great Planes®brand and HCA is the Hobbico®brand.
4 to 6-Channel radio with 5 to 8 servos(2) 24" Servo extension cords ailerons
(HCAM2200 - Futaba J)
Switch/charging jack mount kit (GPMM1000)Propellers (refer to the instructions that come
with your engine)
14 oz. Fuel tank (GPMQ4106)Fuel line (2’, GPMQ4131)Fuel filler valve for glow fuel (GPMQ4160)1" Tailwheel (GPMQ4241)
3/32" Wheel collar for tailwheel (GPMQ4302)R/C Foam padding (1/4", HCAQ1000, or 1/2",
HCAQ1050)
Top Flite MonoKote covering (
see
Finishing
section)
Paint (
see
Finishing section)
3" Spinner (GPMQ4530, white)
BUILDING SUPPLIES
Here’s a list of supplies you should have on hand while you’re building. Some of these are optional. Use your own experience to decide what you need. We recommend Great Planes Pro CA and Epoxy.
ADHESIVES
2 oz. Thin CA (GPMR6003)2 oz. Medium CA+ (GPMR6009)2 oz. Thick CA- (GPMR6015)CA Accelerator (GPMR6035)CA Debonder (GMPR6039)CA Applicator Tips (HCAR3780)30-minute epoxy (GPMR6047), or 45-minute
(GPMR6048) epoxy
6-minute epoxy (GPMR6045)Pro Wood Glue (GPMR6161)J & Z Products
Z RC/56
canopy glue (JOZR5007)
Microballoons (TOPR1090)Milled Fiberglass (GPMR6165)Lightweight Hobby Filler (Balsa Color, HCAR3401)Auto body filler (Bondo®or similar) ❏ Denatured or Isopropyl Alcohol (to clean up
excess epoxy)
3M 75 Repositionable spray adhesive
(MMMR1900)
- 5 -
TOOLS
#11 Blades (HCAR0311, 100 qty.)Single Edge Razor Blades (HCAR0312, 100 qty.)Razor Plane (MASR1510)Hobbico Builder’s Triangle (HCAR0480)T-Pins (HCAR5100 — small,
HCAR5150 — medium, HCAR5200 — large)
Drill Bits: 1/16", 3/32", 7/64", 1/8", 5/32", 3/16",
7/32", 1/4", #29 (or 9/64", or Great Planes 8-32 tap and drill set listed below), #7 (or 13/64", or Great Planes tap and drill set listed below), #12 (for enlarging wheels to fit on axles of CJM retracts), or #9 (or 13/64" for enlarging wheels for fixed landing gear)
1/4-20 Tap and drill (GPMR8105)8-32 Tap and drill (GPMR8103)Tap wrench (GPMR8120)Kyosho
®
Lexan
®
Curved Scissors (KYOR1010)
Long handle 9/64" ball end hex wrench
(GPMR8004)
Silver Solder (GPMR8070 w/flux)Masking Tape (TOPR8018)Great Planes
®
Plan Protector™(GPMR6167) or
wax paper
Dremel
®
#178 cutting bit (for countersinking
screws in the servo hatch covers)
Robart
®
Super Stand II (ROBP1402)
Easy–Touch
Bar Sanders*
Note: In several instances the manual suggests using K & S brass tubing sharpened at one end to cut accurate, clean holes in balsa. Use a rotary tool with a cut-off wheel to sharpen the outside edge of the tube, and a hobby knife to sharpen the inside edge of the tube. The sizes of tubing used are 1/8", 3/16" and 5/32".
COVERING TOOLS AND
ACCESSORIES
Top Flite Heat Gun (TOPR2000) Top Flite Trim Seal Tool (TOPR2200)
-and­Top Flite Sealing Iron (TOPR2100) Top Flite Hot Sock
(TOPR2175)
-or­21st Century®Sealing Iron (COVR2700) 21st Century Cover Sock (COVR2702)
EASY-TOUCH™BAR SANDER
A flat, durable, easy to handle sanding tool is a necessity for building a well finished model. Great Planes makes a complete range of Easy-Touch Bar
Sanders (patented) and replaceable Easy-Touch Adhesive-backed Sandpaper. While building the
Focke-Wulf we used two 5-1/2" Bar Sanders and two 11" Bar Sanders equipped with 80-grit and 150-grit Adhesive-backed Sandpaper.
Here’s the complete list of Easy-Touch Bar Sanders and Adhesive Backed Sandpaper:
5-1/2" Bar Sander (GPMR6169)
11" Bar Sander (GPMR6170) 22" Bar Sander (GPMR6172) 33" Bar Sander (GPMR6174) 44" Bar Sander (GPMR6176) 11" Contour Multi-Sander (GPMR6190)
12’ roll of Adhesive-backed:
80-grit sandpaper (GPMR6180) 150-grit sandpaper (GPMR6183) 180-grit sandpaper (GPMR6184) 220-grit sandpaper (GPMR6185)
Assortment pack of 5-1/2" strips (GPMR6189)
We also use Top Flite 320-grit (TOPR8030, 4 sheets) and 400-grit (TOPR8032, 4 sheets) wet-or-dry sandpaper for finish sanding.
We recommend using plastic bags filled with lead shot for building weights. They assume the shape of the curved surfaces to apply uniform pressure without making dents in the balsa. You can purchase shot at sporting goods stores where hunting supplies are sold. We use #6 lead shot. One 25 lb. bag costs about fifteen to twenty dollars. You can use small sealable food storage bags to hold the shot. Tape them shut for security. Each bag holds about two to three pounds.Ten to fifteen bags may be required for this model.
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IMPORTANT BUILDING NOTES
There are two types of screws used in this kit:
Sheet metal screws are designated by a number
and a length.
For example #6 x 3/4" long [1.91mm]
Machine screws are designated by a number, threads per inch, and a length.
For example 4-40 x 3/4" long [1.91mm]
When you see the term
test fit
in the instructions, it means that you should first position the part on the assembly without using any glue, then slightly modify or
custom fit
the part as necessary
for the best fit.
Whenever the term
glue
is written you should rely upon your experience to decide what type of glue to use. When a specific type of adhesive works best for that step the instructions will make a recommendation.
Whenever just
epoxy
is specified you may use
either
30-minute epoxy or6-minute epoxy. When 30-minute epoxy is specified it is highly recommended that you use only 30-minute (or 45-minute) epoxy because you will need the working time and/or the additional strength.
Occasionally we refer to the
top
or
bottom
of the
model or
up
or
down
. To avoid confusion, the
top
or
bottom
of the model is as it would be when the airplane is right side up and will be referred to as the top even if the model is upside-down during that step,
i.e.
the top main spar is always the top
main spar even if the wing is upside-down when
you are working on it. Similarly,
move the former
up
means move the former toward the top of the fuselage even if the fuselage is upside-down when you are working on it.
When you get to each step, read that step completely through to the end before you begin. Frequently there is important information or a note at the end of the step that you need to know before you start.
Photos and sketches are placed before the step they refer to. Frequently you can study photos in following steps to get another view of the same parts.
TYPES OF WOOD
BALSA BASSWOOD PLYWOOD
1/64" = .4mm 1/32" = .8mm 1/16" = 1.6mm 3/32" = 2.4mm
1/8" = 3.2mm 5/32" = 4mm 3/16" = 4.8mm
1/4" = 6.4mm
3/8" = 9.5mm
1/2" = 12.7mm
5/8" = 15.9mm
3/4" = 19mm
1" = 25.4mm 2" = 50.8mm 3" = 76.2mm
6" = 152.4mm 12" = 304.8mm 15" = 381mm 18" = 457.2mm 21" = 533.4mm 24" = 609.6mm 30" = 762mm 36" = 914.4mm
METRIC CONVERSION
1" = 25.4mm (conversion factor)
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DIE-CUT PATTERNS
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DIE-CUT PATTERNS
GET READY TO BUILD
1. A miniaturized building plan is included in the
middle of this manual. It may be removed and used as a quick, handy reference, so you don’t have to get out the full-size plan when you are not building over it.
2. If you’ve already purchased your retractable
landing gear, or as soon as you do, take the air lines out of the package, unravel them and hang them somewhere in your shop. By the time you are ready to install the air lines, all the kinks will be out and they’ll be easier to work with.
3. Remove all the parts from the box. Use a
ballpoint pen (not a felt tip pen) to lightly write the name or size on each piece so you can identify it later. Use the
die-cut patterns
on pages 8 & 9 to identify and mark the die-cut and laser-cut parts before you remove them from their die sheets. Place a straightedge across the punchmarks on the die sheet on both sides of the forward wing joiner and draw a centerline. When it's time to join the wing halves, the centerline can be used to align the forward wing joiner. Many of the parts already have numbers stamped on them, but in some cases the numbers are located alongside the parts or only on the die drawings in the manual. You may remove all the die-cut parts from their die sheets now, or wait until you need them. If a part is difficult to remove, don’t force it out, but cut around it with a hobby knife and a #11 blade. After you remove the parts from their die sheets, lightly sand the edges to remove slivers or die-cutting irregularities. Save some of the larger scraps of wood.
4. Separate the parts into groups such as stab,
fin, wing, and fuse. Store smaller parts in zipper-top
food storage bags.
BUILD THE TAIL SURFACES
Build the stabilizer and elevators
1. Cut the stab plan from the fuse plan sheet and
place it over your building board. Cover the stab plan with Great Planes Plan Protector or waxed paper to protect it from glue. Note: If you are a neat builder, there is no need to protect the plan as the glue joints are raised off the plan.
2. Use a single-edge razor blade to extend the
slots through the leading edge in the die-cut 3/32" balsa stab ribs S-1 and S-2.
3. Without using any glue, join S-1 and both S-2’s
to the die-cut 1/8" plywood stab center. Join the stab center with the ribs to the die-cut 1/8" balsa stab TE (trailing edge), followed by the rest of the stab ribs and the die-cut 1/8" balsa elevator LE (leading edge) spars.
4. Position the assembly over the stab plan. Cut
twenty 2-1/2" long rib jig sticks from two 1/4" x 1/4" x 30" balsa sticks. Pin the rib jig sticks to the building board on both sides of all the ribs (except S-1). As you can see, the rib jig sticks securely hold the ribs to the plan, yet will allow easy removal of the stab from the building board after the sheeting is glued into position. Temporarily remove the stab center to position the rib jig sticks on the inside edges of ribs S-2. Note: Make sure the T-pins do not protrude above the ribs so they will not interfere with the top stab sheeting that will be added later.
5. Make certain the stab TE is aligned over its
location on the plan and that the jig tabs of all the ribs are contacting the plan. Use medium CA to glue the stab TE to the ribs. Note: Make certain both S-6’s remain perpendicular to the plan. This way the stab and elevator tip blocks will align with the stab when it’s time to glue them on.
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6. Cut 2" from a 3/16" x 3/16" x 30" balsa stick.
Use medium CA to glue the elevator LE spars to the ribs, inserting the stick between the elevator LE spar and the stab TE at each rib as you glue it.
7. Use a bar sander with 80-grit sandpaper or a
hobby knife to carefully bevel the front of the ribs to match the aft sweeping angle of the LEs. Cut the 30" long shaped balsa stab LE to the correct length for both LEs. Glue them, centered vertically, to the front of the ribs and stab center.
8. Use a bar sander with 80-grit sandpaper to
sand the tops of the ribs, the stab TE and the elevator LE spars so they are all even.
9. Use the 1/16" x 3" x 30" balsa sheets supplied
with this kit and select four of the softer (and lighter) sheets to be used for sheeting the tail surfaces.
10. Use your own method or the
Hot Tip
that follows to make two 1/16" x 6" x 30" sheets from the four balsa sheets you selected in the previous step.
D. Lay the sheets on your workbench covered with wax paper. Use a credit card or something similar as a squeegee to simultaneously press the sheets flat as you wipe the glue from the seam.
C. Turn the sheets over and apply slow drying glue like Great Planes Pro aliphatic resin to the joining edges. Some prefer to use CA, but it is not recommended in this
Hot Tip
because CA does not allow enough working time to align the sheets and it is much harder than the balsa, making sanding difficult.
B. Use masking tape to tightly tape the trued edges of the sheets together.
A. Use a straightedge to true one edge of two balsa sheets.
HOW TO MAKE THE STAB SKINS
Top Flite selects balsa that is intended for sheeting, though occasionally a few of these sheets may have a small nick or split near the ends. If your kit contains a few of these sheets, arrange them and glue them together so the defects will not interfere with the final shape of the skin.
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Note: Some modelers tend to sand the sheeting too much after it is applied to the structure, making thin spots where fingers can easily go through. By following the procedure above (specifically, by aligning the joined edges of the sheets as shown in step E), little sanding should be required. Most of the sanding
that isrequired should be done before the sheeting is glued in place. The only sanding that should be required after the sheeting is glued to the structure is final sanding with 320 or 400-grit sandpaper.
11. Make four stab skins from the two 1/16" x 6"
x 30" balsa sheets you prepared in the previous
steps (you can get three skins from one sheet, but will have to use the second sheet for the fourth skin). Note that the grain is parallel with the LE. Hint: Make a paper template and use it to make the skins. Always cut the skins slightly oversize to allow for trimming and positioning. Save the leftover sheeting for the elevators and fin.
Refer to this photo for the following two steps.
12. Glue two of the skins to the top of the stab.
Usually we recommend using aliphatic resin for this because of the time required for accurate positioning and adjustment. However, this is a relatively small stab, so if the skins fit well and you can work quickly, medium CA may be used.
13. Use the smaller pieces of leftover balsa
sheeting to make four elevator skins. Glue two of the skins to the top of the elevators.
14. Lift the stab from the building board. The ribs
should slide out from in between the rib jig sticks. Glue the bottom of the stab center (where you couldn’t reach when the stab was pinned to the building board) to the rest of the structure.
Here are a few other things to keep in mind while sanding balsa sheeting:
1. Make sure you sand the sheets on a flat work surface that is free from hardened drops of glue or other imperfections that will damage your sheeting.
2. Sand the sheeting only as much as required. The inside of the sheeting needs to be sanded just enough to remove excess glue and doesn’t have to be perfectly flat or smooth.
3. Though more material can be removed by sanding across the grain, this leaves scratches in the balsa. Balsa sheeting should be sanded with the grain—especially when finish-sanding.
4. If some of the glue joints are uneven, it may be best just to leave them that way, rather than to sand the sheets too thin. A slightly uneven glue joint is preferable to paper-thin balsa.
F. Place weights on top of the sheet to hold it flat while the glue dries.
G. After the glue dries, sand the sheets flat and even.
E. Press the joining edges of the sheets down to make sure they are even. This is important. Little sanding will be required if the sheets are even.
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15. Cut the stab and elevator hinge blocks from
a 1/4" x 3/8" x 30" balsa stick and glue them into position where shown on the plan.
16. Use a hobby knife to carefully trim the jig tabs
from the bottom of the ribs, the stab TE and the elevator TE spars. Use a bar sander with 80-grit sandpaper to sand the hinge blocks even with the bottom of the stab and elevators.
17. Position the stab on your workbench or a flat
platform so that the TE of one of the elevator skins is even with the edge. Carefully sand a bevel to the elevator skin until the TE is 1/32" thick. The elevator ribs will set your bar sander at the correct angle. The line in the photo indicates the bevel. Sand the other elevator skin the same way.
18. Sand a similar bevel to the inside of the
remaining two elevator skins. Glue the skins to the bottom of the elevators.
19. Glue the bottom stab skins to the bottom of the
stab. Press the sheeting down evenly, being careful not to add any twist.
20. Sand the sheeting on both ends of the stab
even with S-6.
21. Trim the top and the bottom of the stab LE’s
even with the sheeting, but don’t round them until instructed to do so.
Refer to this photo for the following two steps.
❏❏22. Place one of the shaped 5/8" balsa stab
tips and one of the shaped 5/8" balsa elevator tips
over the plan (to be certain you identify the parts correctly—they look similar to each other). Glue the stab tip to the right side of the stab.
❏❏23. Slightly round the LE of the elevator tip. Glue
the elevator tip to the end of the elevator, but not to the stab, with about a 1/16" space between them.
❏❏24. Shape the tips even with the stab and
elevator, but do not round them yet. Our preferred method for shaping balsa tips is to first use a razor plane, followed by a bar sander.
The stab is symmetrical. Now that it’s sheeted there is no longer a “top” or a “bottom.” At any time you can decide which surface looks the best and designate that as the top.
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❏❏25. Finish shaping the stab and elevator tips by
rounding the corners. Round the LE on the right side of the stab to match the cross-section on the plan.
26. Repeat the previous four steps for the left side
of the stab.
Finish the elevators
1. Use a razor saw to cut through the ribs, freeing
both elevators from the stab.
2. Sand the protruding ends of the ribs and the
stab sheeting even with the stab TE. Do the same with the both elevators and sand the ends of the elevator sheeting even with both S-2’s.
❏❏3. Glue one of the 1/2" x 5/8" x 1-15/16" balsa
elevator root blocks to the end of one of the elevators. Shape the block to match the rest of the elevator. The corners on the end of the root block remain square.
❏❏4. Cut the elevator leading edge from a 3/16" x
1/2" x 30" balsa stick, then glue it to the front of the elevator. The same as you’ve done with the tip and root blocks, shape the LE to match the rest of the elevator.
❏❏5. Mark a centerline on the LE of the elevator.
An accurate way to do this is to stick a T-pin in the center of the elevator LE near both ends. Position a straightedge against the T-pins and draw a line with a ballpoint pen. Mark a centerline on the TE of the stab the same way.
❏❏6. Using the centerlines you marked as a guide,
cut the hinge slots in the elevator and corresponding stab half where shown on the plan. Of course, we use a Great Planes Slot Machine™to cut hinge slots for CA hinges.
(Note: This step is not necessary if you have
cut hinge slots with a Slot Machine.)
❏❏7. Drill a 3/32" hole, 1/2" deep in the center of
the hinge slots. Use a rotary tool with a drill bit or a carbide cutter for the best results. Insert a knife blade to clean out the slot after you drill the holes.
❏❏8. Cut three 3/4" x 1" hinges from the CA hinge
strip supplied with this kit. Snip the corners off so the hinges go into the slots easier.
DRILL A 3/32" HOLE
1/2" DEEP, IN CENTER
OF HINGE SLOT
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❏❏9. Test fit the elevator to the stab with the
hinges. Shift the elevator over to create a 1/32" gap between the elevator tip and the end of the stab at S-6. Sand the elevator tip to match the stab tip.
❏❏10. Shape the LE of the elevator to a “Vfor
control throw. Make certain you can achieve 5/8" of both up and down control throw as described in the Control Throws section on page 58. Increase the angle of the bevel if necessary.
11. Repeat steps 3 through 10 to finish the
other elevator.
12. With the elevators temporarily connected to
the stab with the hinges, center the elevator joiner wire on the elevators where shown on the plan. Use
a ballpoint pen to mark the location of the joiner wires on the elevator root blocks.
13. Drill 1/8" holes and cut grooves in both
elevators to accommodate the joiner wire. Hint: Use a 1/8" brass tube sharpened on one end to cut the grooves in the LE.
14. Test fit the elevators to the stab with the joiner
wire. Make certain both elevators are parallel. If necessary, bend one of the “arms” of the joiner wire to align the elevators with each other. Note: If you found it necessary to bend the wire, it must be inserted into the elevators the same way when it’s time to glue it in.
Build the fin
1. Cut the fin plan from the side view of the fuse
plan along the dashed lines. Place the fin plan over your building board. The same as the stab, if you work carefully there is no need to protect the plan from glue.
Refer to this photo for the following two steps.
2. Just the same as the stab, hold the die-cut 3/32"
balsa fin ribs V-1 through V-5 over the plan with rib jig sticks cut from two 1/4" x 1/4" x 24" balsa sticks. Note that the widest part of each rib is the LE. Add the die-cut 1/8" balsa fin TE spar and align it over the plan. Glue the ribs to the fin TE spar.
3. Sand the LE of the fin ribs to the angle of the
LE on the plan. Cut the fin LE from the 3/8" x 1-3/4" x 12" balsa stick. Glue the fin LE to the front of the ribs. Trim the left side of the fin LE to within 1/8" of the upward facing (left side) of the ribs.
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4. Add the die-cut balsa rib V-6 and the top of the
fin TE spar cut from leftover 1/8" balsa. Use a builders square to make sure V-6 is perpendicular to the building board.
5. Sand left side of the fin TE spar even with the
ribs. Use the pattern provided on the plan to make two fin skins from the 1/16" sheeting leftover from the stab. Glue one of the fin skins to the left side of the fin.
6. After the glue has hardened, remove the fin
from the building board. Trim the jig tabs from the
right side of the fin ribs. Cut two fin hinge blocks from the same 1/4" x 3/8" stick used for the stab and elevator hinge blocks, then glue the hinge blocks to the fin TE spar where shown.
7. Sheet the right side of the fin. Sand the fin
sheeting even with the fin tip and TE spar, then sand the fin LE even with the sheeting. Do not round the LE of the fin until instructed to do so.
8. Glue the 11/16" x 1-3/16" x 3-3/8" balsa fin tip
to the fin. Shape the tip to match the fin, but do not round until instructed to do so (after the rudder is completed).
This is all that can be done on the fin for now, until the top of the fuse is built. The rudder is built directly onto the fin when the fuse is near completion. So now, it’s time to build the fuse!
BUILD THE FUSE
Frame the fuse top
Note: The formers that have part names stamped on them are stamped with only the necessary portion of their names (some formers are too small to have a name stamped on them). For example, former F-2A is stamped “2A”. As noted earlier in the manual, refer to the die drawing pages to identify the parts correctly.
1. Cut the top view of the fuse plan from the fuse
plan sheet. Place it over your building board covered with Great Planes Plan Protector or wax paper.
2. Cut the forward main stringers from two 3/16"
x 3/8" x 48" grooved balsa sticks. Note the bevel that must be cut on the aft end of the stringers at F-11. Its okay to cut the stringers an inch or so longer than required so the excess extends forward of F-1. Pin both stringers to the plan.
Refer to this photo for the next two steps.
3. Cut the aft main stringers from the remaining
3/16" x 3/8" x 48" grooved balsa stick.Be certain to cut
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the bevel on the front of the aft stringers to the correct angle (if you cut the stringers a few inches longer than required you will have enough material to make a few adjustments until you get the angle just right).
4. Use a razor saw to cut partway through the
inside edges of the aft main stringers at F-12 so they can make the bend. Pin the stringers into position and glue them to the forward stringers. Add a few drops of medium CA to the stringers where you cut them at F-12.
Now for some of the fun stuff...
Note: All the following parts are die-cut 1/8" plywood unless otherwise indicated.
5. Without using any glue, join the parts of the
upper crutch assembly including the left and right upper crutches (LUC, RUC), the crutch top (CT)
and F- 2A, F-3A and F-4A. Fit the assembly to the main stringers over their location on the plan.
6. Glue the assembly together and to the main
stringers. Use a small builder’s square to make certain the formers are perpendicular to the building board. Note: Dont worry about glue joints you can’t reach while the fuse top is pinned to the building board. Well remind you to reinforce them later.
7. Use a 3/16" brass tube sharpened at the end to
cut holes centered over the punchmarks in die-cut 1/8" balsa formers F-11A and F-10A.
8. If you are going to install the optional Top Flite
Scale Cockpit kit, use a straightedge and a ballpoint pen to mark the cut-out lines on both die-cut 1/8" plywood formers F-6D and F-7A as shown. The shaded portions shown in the photo will be removed later to accommodate the cockpit kit. Cut partway through the formers, so they will be easier to cutout after they are glued into position.
9. Glue formers F-5A through F-10A to the main
stringers over their location on the plan. Make certain the formers are facing forward and use a builder’s square to hold the formers perpendicular while gluing them in place.
10. Assemble the stab base assembly at the back
of the fuselage with both stab bases (SB), the fin LE brace, the die-cut 1/8" balsa formers F-11A & F­12A, the die-cut 3/32" balsa sub deck and the die- cut 1/8" balsa spine. Glue the pieces into position.
11. Glue together both halves of the die-cut 1/8"
balsa cockpit deck so the notches align. Sand the pieces flat and even. If you are going to install the scale cockpit interior, cut the deck along the partially embossed lines and remove that section. Fit, then glue the cockpit deck into position.
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12. Glue together die-cut 1/8" balsa formers F-6A,
F-6B and F-6C, then glue them into the notch in the cockpit deck. Glue the die-cut 1/8" balsa instrument panel (IP) to the cockpit deck. Note that the
instrument panel and the F-6 assembly are perpendicular to the building board, not to the cockpit deck.
Now for the real fun part...
13. Use a total of seven 3/16" x 3/16" x 30" balsa
sticks for the stringers in the top half of the fuselage. Without using any glue, start by fitting two stringers into the top three notches of F-1 to F-6D (youll have about a half of a stringer leftover). Next, fit two more
stringers into the notches of F-5A to F-9A (immediately under the cockpit deck) on both sides of the fuse (youll have two half-stringers leftover). Then, fit the two leftover pieces into the notches of F­8A to F-10A on both sides of the fuse. And finally, fit three more stringers into the notches of F-1 to F-11A on both sides of the fuse. They will have to be spliced together at the notch in F-5A. Add former F-1A to the assembly as you are fitting the stringers to the front of the fuse.
14. After the stringers and former F-1A have been
fitted, glue them into position. Use a builder’s square to make certain F-1A is perpendicular to the building board.
15. Bevel the edges of the cockpit deck to match
the shape of the fuselage and the angle of the spine. Sand all of the stringers and the sub deck even with the formers.
16. Temporarily remove the T-pins from the main
stringers and take the fuse top off the building board.
Sand the main stringers to match the angle of the formers. Replace the fuse top on the building board, holding it down with T-pins.
17. Glue the five 1/8" x 3/16" x 24" sub stringers
into the groove of the main stringers. Make sure none of the T-pins are protruding in the groove which would interfere with the fit of the sub stringers.
Before we can sheet the fuse top, the stab and fin must be glued into position.
Mount the stab and fin
1. Position the stab on the stab base. Taking careful measurements, make certain the stab is centered, side-to-side, on the stab bases. Place a weight on top of the stab to hold it down.
2. Measure the distance from the bottom of the
stab at both tips down to the building board. If the
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distances are not equal (if the stab is not level), lightly trim the stab bases until you can get the stab level. Use caution not to change the incidence angle of the stab. If the stab is not exactly level, but its close, sometimes all it takes is shifting the weight slightly. Hint: Use balsa blocks of equal thickness to level the stab. If you do this, make certain the stab is fully contacting the stab bases.
3. Stick a T-pin into the center fuse stringer above
F-1. Tie a small loop in one end of a 50" piece of non­elastic line such as monofilament or Kevlar fishing line. Slip the loop over the T-pin. Fold a piece of masking tape over the string near the other end and draw an arrow on it. Slide the tape along the string and align the arrow with one end of the stab as shown in the photo. Swing the string over to the same position on the other side of the stab. Shift the stab and slide the tape along the string until the arrow aligns with both sides of the stab. The stab must remain level and centered during this process.
4. Mark the stab where it aligns with the fuse so it
can be realigned after you take it off.
5. Remove the stab. Mix up a batch of 30-minute
epoxy. For additional strength, add Great Planes Milled Fiberglass (GMR6165). Apply epoxy to the stab bases and to the bottom of the stab where it contacts the saddles. Reposition the stab and place weights on top of it to hold it down. Confirm stab alignment with the pin and string. Wipe away excess epoxy and do not disturb the model until the epoxy has fully hardened.
Refer to this photo for the following three steps.
6. Use the “T-pin and straightedgetechnique to
mark a centerline down the TE of the fin. After the epoxy from the stab has fully hardened, test fit the fin to the stab and fuse. Use a builders square placed along the centerline you marked on the fin TE to make sure the fin is vertical. Trim the fin sheeting where necessary for a good fit to the top of the stab and the sub stringers.
7. Temporarily join the elevators to the stab with
the elevator joiner wire and the hinges. Cut round notches in the fin sheeting to accommodate the elevator joiner wire.
8. With the elevator joiner wire in position, glue
the fin into position with 30-minute epoxy. Before the epoxy cures, make certain the fin is vertical and the front of rib V-1 is centered on F-12. Do not build up a fillet of epoxy between the fin sheeting and the stab.
Sheet the top of the fuse
By now youve noticed that the Focke-Wulf fuselage has some interesting lines and curves. Unlike many other warbirds that have either a round fuselage (such as a Corsair) or a slab-sidedfuselage (such as a Mustang), the Focke-Wulf fuse features a mixture of irregular curves and converging angles. While this doesnt necessarily make sheeting the fuselage difficult, careful thought and planning were required during the construction of our prototype to determine a procedure that modelers could duplicate. Blocks are used in areas where it would be too difficult to sheet. If you are an expert at sheeting models, or if you prefer to do it a different way, you could venture off. For most modelers, we recommend that you carefully follow these instructions to end up with a fuselage that replicates the lines of the Focke-Wulf.
1. One at a time, remove the T-pins from the main
stringer and reinsert them as shown in the sketch. This way, the pins wont be concealed under the sheeting when its time to take the fuse off the building board.
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This is really the only “tricky” piece of sheeting. We’ve provided three photos to make sure you can do it correctly.
2. Cut 4" from a 1/16" x 3" x 30" balsa sheet. Set
the 4" piece aside for use later. Cut the larger portion of the sheet to fit the fuse as shown. The sheet extends from the middle of F-5A to the middle of F-11. Cut the top edge of the sheet slightly higher than the cockpit deck (to be sanded flush later). The
bottom of the sheet rests against the sub stringer. A piece of leftover 1/16" sheeting will have to be added to the top of the sheet where it cannot reach the cockpit deck. Note that the aft edge of the fuse sheet steps downtwice; once to the middle of the stringer and once more to the top edge of the sub deck. The front of the sheet also has a step down to the stringer at F-6B. Once you have cut the sheet to fit, use a ballpoint pen to trace its outline onto another sheet to make a pattern for the right side.
3. Glue the sheet into position. We prefer to use
aliphatic resin to glue the sheet to the main and sub stringers holding it in place with T-pins. After the glue dries, wet the sheet with water or window cleaner (it shouldnt need much, its only 1/16" thick), then use medium CA to glue it to the rest of the stringers, formers, sub deck and cockpit deck. Fit, then trim and glue the other sheet to the right side (setting aside another 4" portion of the sheet as you did in the previous step). Hint: When wetting the sheeting, use a paint brush to avoid getting over-spray on the rest of the structure.
4. Cut two 5" pieces from another 1/16" x 3" x 30"
balsa sheet. Save the remaining 20" sheet for use later. Use the 5" pieces to sheet both sides of the fuse aft of the cockpit deck between F-9A and F-10A as shown in the photo.
5. Sheet both sides of the fuse between F-11A
and F-12A using both of the 4" pieces you cut in step 2 and 3. Youll have to add a strip of leftover sheeting to the bottom of the 4" sheet so it will reach all the way up to the spine. Note that the aft edge of the sheet extends to the middle of F-12A.
6. Glue both 1" x 1-3/16" x 4-1/8" balsa aft turtle
deck blocks to the sub deck and the spine. Shape
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