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Designed by
S y n e r g y E 7 S E
Assembly Instructions
999-601
w w w .s y n e r g y r c h e lic o p t e r s .c o m
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Congratulations on your purchase of the Synergy E7SE radio controlled helicopter kit. The Synergy E7SE was
designed and developed by Botos Design & Distribution Inc.. The design of the Synergy E7SE emerged from
many years of experience in the hobby including design, research & development, and last but not least
as a world class pilot who truly enjoys this wonderful hobby.
This radio controlled helicopter is NOT A TOY. It is a sophisticated piece of equipment, it was designed
and intended for hobby use only. If not properly assembled, maintained, and operated, it is capable of
causing property damage and bodily harm to both the operator and/or spectators. Botos Design &
Distribution Inc., its affiliates, and its authorized distributors assume no liability for damage that could occur
from the assembly or use/misuse of this product. If you are new to the hobby we strongly recommend
seeking the help and advice from an experienced modeler.
Operating a model helicopter requires a high degree of diligence and skill. If you are new to the hobby, it
is best to seek help and guidance from experienced radio controlled helicopter pilots. This will both greatly
speed up the learning process and make it much safer for you.
For those pilots who will be operating their Synergy E7SE in the United States, we strongly recommend
joining the AMA. The AMA is a non-profit organization that provides services to the model aircraft pilots. As
an AMA member, you will receive a monthly magazine entitled Model Aviation and most importantly a
liability insurance plan to cover against a possible accident or injury. All AMA charter aircraft clubs require
individuals to hold a current AMA sporting license prior to operation of their models
For further information, you can contact the AMA at
Academy if Model Aeronautics
5151 East Memorial Drive
Muncie, IN 47302
(317) 287-1256
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101-306 M3x6 Button Head
101-306 M3 Button Head
103-256 M2.5 Flat Head Cross Recess
310-112 Landing Gear Mount
310-110 Frame Spacer
Base Plate Assembly
Page 1
310-103 CF Base Plate
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Main Shaft Bearing Blocks
Page 2
108-105 10x19x5 Radial Bearing
108-105 10x19x5 Radial Bearing
310-150 Main Shaft Bearing Block E6/7
310-151 Third Main Shaft Bearing Block
Important -
Keep this orientation
in mind for future reference. Make
sure bearing block and bearing
orientation is correct. Top bearing
is facing up, middle beaing is facing
down, lower bearing is facing up.
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100-306 M3x6 Socket Head
101-306 M3x6 Button Head
100-308 M3x8 Socket Head
100-306 M3x8 Socket Head
100-306 M3x8 Socket Head
Left Frame Side Assembly
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Tail Servo Install
100-266 M2.5x6 Socket Head
100-261 M2.5x10 Socket Head
106-115 Servo Hold Down
310-100 Tail Servo Mount
Tail Servo (Not Included)
107-104 2mm Pivot Ball
100-252 2mm Nylock Nut
Important!
Pivot Ball should be placed at
16mm from center of servo horn
Recommended Tail Servo Futaba BLS256HV or any 760us
Tail Servo
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103-256 M2.5x6 Flat Head
310-104 Sensor Mount Plate
310-110 Frame Spacer E6/7
Sensor Mount Assembly
Lower Frame Brace Assembly
103-256 M2.5x6 Flat Head
310-110 Frame Spacer E6/7
310-105 CF Lower Frame Brace
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Page 8
Sensor Mount and Frame Brace Install
101-306 M3x6 Button Head
This hole is for the boom
supports. Do not use yet!
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Front Transmission Module
100-351 M3 Nylock Nut
100-372 M3x12 Set Screw
100-354 M3 Washer
108-510 5x10x4 Radial Bearing
320-302 Bevel Gear Top Bearing Block
320-406 2mm Bevel Gear Pin
320-118 18T Front Trans Bevel Gear
108-124 12x18x4 Radial Bearing
320-301 Front Mushroom Gear Bearing Block
320-407 2mm Spur Gear Pin
320-111H 11T Spur Gear - Hard Coat
320-408 Spur Gear Shaft
108-593 5x9x3 Radial Bearing
320-303 Spur Gear Bottom Bearing Block
320-218 18T Front Trans Mushroom Gear
101-306 M3x6 Button Head x14
320-101 TranSupport CF Plate
320-103 TranSupport Standoff
100-372 M3x12 Set Screw
Important! - TIghten and
secure set screw with loctite.
This set screw secures bevel
gear pin.
IMPORTANT! - Any screw which is metal to metal needs loctite! Clean oil from bolts and apply blue loctite.
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101-306 M3x6 Button Head
Important!
Frame is slotted to allow for two
different tail gear ratios!
11T(4.9:1) Slide Fore
12T(4.5:1) Slide Aft
Recommended Tail Ratio -
4.5:1 - Headspeed above 2000
4.9:1 - Headspeed below 1950
Recommended Tail Blades -
4.5:1 - Rail 106-116mm
4.9:1 - Rail 96-106mm
Front Tail Transmission Install
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Right Frame Side Install
100-306 M3x6 Socket Head
100-308 M3x8 Socket Head
100-306 M3x6 Socket Head
101-306 M3x6 Button Head
101-306 M3x6 Button Head
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90.00°
Note - Ensure main shaft spins
freely within bearings. If main
shaft does not spin freely loosen
all bolts and ensure frames are
square with bearing block. Secure
all main frame bolts at this time.
Main Frame Alignment
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100-352 M3 Nut
107-106 Pivot Ball
100-251 M2 Nut
100-206 M2x6 Socket head
310-107 CF Servo Arm
IMPORTANT! - Use Red Loctite to
secure Pivot Ball to M3 Nut
Servo Horn Assembly
Note - It is best to determine servo horn position
clostest to 90 degrees before fixing CF servo arm
to the servo arm wheel.
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100-261 M2.5x10 Socket Head
106-115 Servo Hold Down
100-261 M2.5x10 Socket Head
Servo Horn Screw (Not Included)
Servo Mounting
Note
- All three cyclic servos should
be installed at this point in time. At a
minimum the elevator servo should be
installed as it may be difficult to install
later in the assembly.
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Landing Gear Assembly
Complete Landing Gear
101-308 M3x8 Button Head
610-324 Landing Gear Strut
610-322 Skid Tube Lock x4
610-321 Skid Tube
106-966 Skid Tube Plug x4
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100-312 M3x12 Socket Head
Landing Gear Install
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101-306 M3x6 Button Head
310-108 CF Radio Plate
310-111 Main Boom Clamp E6/7
100-310 M3x10 Socket Head
310-111 Main Boom Clamp E6/7
Main Boom Clamp Assembly
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100-308 M3x8 Socket Head
100-308 M3x8 Socket Head
Main Boom Clamp Install
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100-412 M4x12 Socket Head
310-130 Motor Mount 30mm
100-466 M4x6 Set Screw
Helical Pinion (12T included in kit)
Recommended Motor Scorpion Ultimate 520kv
Available Pinions
305-012 - 12T Helical Pinion
305-013 - 13T Helical Pinion
305-014 - 14T Helical Pinion
305-015 - 15T Helical Pinion
Brushless Motor Mounting
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Important!
Motor mount is designed to accept motor
with 4mm bolts and 30mm bolt pattern option.
25x3mm motor mounting was left out due to weakness
of the M3 bolts and increasing power of todays motors.
Motor shaft should be minimum of 32mm in length
outside of the motor in order to properly engage
motor shaft bearing block.
Inportant!
Pinion should rest on inner race
of lower pinion support. Failure
to configure properly will result
in premature motor bearing wear.
Note
- Synthetic grease may be used
on main gear / pinion in order to reduce
heat and improve gear interaction.
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Brushless Motor Install
100-312 M3x12 Socket Head
310-152 Motor Shaft Support Bearing Block
108-615 6x15x5 Radial Bearing(factory installed)
710-101 Motor Mount Side Plate
Page 18
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ESC Mount Plate Assembly
Page 19
103-256 M2.5x6 Flat Head Cross Recess
310-102 ESC Mount Plate
310-110 Frame Spacer E6/7
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100-306 M3x6 Socket Head
100-306 M3x6 Socket Head
100-372 M3x12 Set Screw
100-372 M3x12 Set Screw
ESC Plate Install
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100-372 M3x12 Set Screw
100-372 M3x12 Set Screw
Female Canopy Mount Install
305-121 Key Chain Canopy Mount, 21mm Female
305-121 Key Chain Canopy Mount, 21mm Female
305-121 Key Chain Canopy Mount, 21mm Female
305-121 Key Chain Canopy Mount, 21mm Female
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103-256 M2.5x6 Type 1Cross Recess
320-154 54T Spur Gear
320-410 Spur Gear Hub
Spur Gear Hub Assembly
DO NOT OVER TIGHTEN!
Over tightening can crack
the Delrin spur gear leading
to failure!
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101-308 M3x8 Button Head
310-121121T Main Gear
610-151 Delrin Shim
610-149 Bronze Bushing
200-407 - Auto Hub Assembly
Includes bronze bushings
610-149 Bronze Bushing
610-151 Delrin Shim
610-147 Auto Hub Sleeve
Main Gear Assembly
DO NOT USE GREASE ON ONE-WAY!!
USE LIGHT OIL SUCH AS TRIFLOW!
Important -
Bronze bushings
must be secured with green
or red loctite!
Note - By design the auto hub is symetrical so it can
be used in both orientations. The One-Way Clutch Bearing
can be pressed into the Auto Hub in any direction. Please
pay attention to motor direction and insert auto hub sleeve
in the correct orientation.
DO NOT OVER TIGHTEN!
Over tightening can crack
the Delrin Main gear leading
to failure!
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Align Holes
Main Gear to Spur Gear Assembly
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305-140 E5/7 Main Shaft
320-411 Jesus Bolt Collar
100-351 Nylock Nut
100-320A M3x20 Special Bolt
100-325A M3x25 Special Bolt
Main Gear / Spur Gear Install
IMPORTANT!
Ensure boss is facing up when
installing the Jesus Bolt Collar!
IMPORTANT!
- Shouldered bolts should not be tightened
with force. It is possible to stress the shouldered bolt!
109-110 10mm Main Shaft Shim(optional)
Optional -
Use 10mm shim if there is
excessive up/down play
in the main shaft
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Swash Plate Assembly
107-108 Pivot Ball Long x3
107-106 Pivot Ball x4
108-373 3x7x3 Radial Bearing
100-316 M3x16 Socket Head
109-352 3x5x2 Brass Spacer
100-312 M3x12 Socket Head
100-364 M3x4 Set Screw
200-401 Swash Plate Assembly
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100-306 M3x6 Socket Head
107-106 Pivot Ball 3x4.5
310-145 Blade Bolt Adapter 5mm
305-204 Head Axle Pivot
606-803 Head Damper
120-114 Head Axle
100-512 M5x12 Socket Head
100-554 5mm Washer
106-803 8x1mm Shim
108-816 8x16x5 Radial
106-801 8x.5mm Shim
108-817 - 8x16x5 Thrust bearing
520-514 FBL Main Blade Grip
100-308 M3x8 Socket Head
Rotor Head Assembly
*Note Thrust Bearing Order
Large ID Large OD - Inside Position
Small ID Small OD - Outside Position
310-153 E7SE Blade Grip Arm
APPLY GREASE!
APPLY GREASE!
DO NOT OVER TIGHTEN PITCH ARM BOLTS!
310-201 E7SE Head Block
Page 27
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Swash Follower Arm Assembly
106-301 M3 Shim
108-383 3x8x3 Radial Bearing
305-206 E5 Washout Control Arm
109-352 3x5x2 Brass Spacer
108-383 3x8x3 Radial Bearing
108-383 3x8x3 Radial Bearing
100-323 M3x23 Socket Head
100-316 M3x16 Socket Head
109-352 3x5x2 Brass Spacer
108-383 3x8x3 Radial Bearing
107-100 Ball Link
100-272 M2.5x12 Set Screw
305-207 E5 Ball Link Adapter
106-301 M3 Shim
Note - Do not tighten 100-323 bolt until the
next page. These will pinch and secure the
main shaft.
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IMPORTANT!
Remove M2.5x12 Set Screw from Ball Link Adapter
before attempting to remove M3x16 Socket Head.
The M2.5x2 Set Screw is sitting against the M3x16
bolt and will destroy the bolt threads and the Ball
Link Adapter threads if you attempt to remove the
bolt without rst removing the set screw.
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610-150 Main Shaft Collar
M2.5x10 Socket Head
100-351 M3 Nylock Nut
100-320A M3x20 Special Bolt
IMPORTANT!
Do not over tighten 100-320A Bolt!
IMPORTANT!
Do not forget to tighten pinch
bolts equally on both sides!
27.80mm
Pitch Link
107-100 Ball Link
107-048 48mm Link Rod
107-100 Ball Link
Rotor Head Install
Page 29
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Page 32
CCPM Servo Linkage
CCMP Servo Linkage Install
18.20mm
107-100 Ball Link
107-100 Ball Link
107-043 43mm Link Rod
Page 30
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Page 33
320-402 Tail Box Plate Right
615-124 6mm Tail Output Shaft
320-409 Tail Bell Crank Mount E7
320-220 20T Bevel Mushroom Gear
320-120 20T Bevel Gear - E7
320-403 Tail Box Plate Spacer
320-404 Output shaft Spacer
106-601 6mm Shim
101-306 M3x6 Button Head
DO NOT OVER TIGHTEN!
100-308 M3x8 Socket Head
DO NOT OVER TIGHTEN!
320-400 Tail Box
320-412 17mm Bevel Gear Pin
108-124 12x18x4 Radial Bearing
Tail Box Assembly
100-330 M3x30 Socket Head
108-613 6x13x5 Radial Bearing
108-613 6x13x5 Radial Bearing
320-401 Tail Box Plate Left
320-102 CF Vert Fin - TT E7
101-310 M3x10 Button Head
320-405 Tail Box Bearing Spacer
100-366 M3x6 Set Screw
101-308 M3x8 Button Head
100-351M3 Nylock Nut
Important! - Tighten and secure
set screw with loctite. This set screw
secures the bevel gear pin.
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Page 34
320-320 E7SE Tail Pitch Slider Threaded
108-812 8x12x2.5 Radial Bearing
109-813 8x10x3 E7SE Brass Spacer
320-319 E7SE Tail Bearing Ring Aluminum
107-109 Tail Pitch Pivot Ball
606-921 Tail Pitch Link Pin
115-322 Tail Pitch Link
320-321 E7SE Tail Pitch Plate Threaded
506-920 E-Ring
IMPORTANT!
Use red or green loctite to secure
tail pitch plate to tail pitch slider.
Tail Pitch Slider Assembly
Page 32
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Page 35
Tail Hub Assembly
Page 33
100-308 M3x8 Socket Head
100-354 M3 Washer
108-503 5x10x3 Radial Bearing
106-501 5mm Shim
108-511 5x10x4 Thrust Bearing
515-525 HD Tail Blade Grip
108-503 5x10x3 Radial Bearing
107-106 Pivot Ball
615-324 HD Tail Rotor Hub
Tail Thrust Bearing Note -
- Large OD / Large ID - Inside
- Small OD/ Small ID - Outside
- Shim goes between Thrust
and Radial
GREASE THRUST BEARING INNER RACE!
DO NOT OVER TIGHTEN!
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Page 36
100-330 M3x30 Socket Head
108-373 3x7x3 Radial
107-104 Pivot Ball 2mm
Note - Sizing of ball links is recommended
for smooth operation. For best results use
Boto-Sizer Tool Part #700-001
109-355 3x5x5 Brass Spacer
106-301 M3 Shim
100-251 M2 Nut
100-351 M3 Nylock Nut
100-464 - M4x4 Set Screw
Tail Box Completion
Page 34
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Page 37
Optional - Securing Tail Box
101-306 M3x6 Button Head
Tail Box
Tail Boom
Ensure Tail Box is correctly aligned with helicopter.
1.
Mark tail boom by measuring 26.5mm or by using tail box as template
2.
Drill 3mm hole at 26.5mm
3.
Secure with blue Loctite and M3x6 Button Head
4.
Optional but highly recommended, if your tail box departs from your boom because you forgot to pinch
the boom clamp, you will wish you took the extra time to do this step! This entire procedure can be done after the
torque tube system is installed, just be careful not to drill into your torque tube shaft!
Hole drilled at 26.5mm
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Page 38
Optional - Securing Fore Boom
Align boom flush with front boom clamp
1.
Mark hole through threaded front boom clamp.
2.
Do not drill hole at rear boom clamp location! This will weaken boom at high stress point!
3.
Drill 3mm hole through marked side of boom(6.5mm from edge of boom)
4.
Install M3x6 Button Head Bolt with blue loctite to secure boom
5.
Tail Boom
Fore most boom clamp
101-306 M3x6 Button Head
Drill hole at 6.5mm or use Boom Clamp as template
to mark boom. Do not drill through boom clamp threaded
hole with 3mm drill bit. You will remove all threads!
Page 36
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Page 39
107-100 Ball Link
305-311 Tail Push Rod End
106-965 Tail Push Rod Sleeve (Teflon)
315-111 E7 Tail Control Rod 728mm
IMPORTANT! - Tail Control Rod End must be secured with
high quality glue such as JB Weld. We highly recommend
long curing formulas for the best results. Do not use CA for
this application! You will encounter failures!
Note - Lightly sand carbon tail
control rod prior to securing with
JB Weld!
Note - Tail push rod ends will slide through
tail control guides.
Tail Control Rod Assembly
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Page 40
100-210 M2x10 Socket Head
100-251 M2 Regular Nut
320-502 Torque Tube End
320-504 O-Ring
108-814 8x14x4 Radial Bearing
Apply RED Loctite to secure bearing
to Torque Tube. Do not apply loctite
to plastic
Important! - Secure Torque Tube end with quality RED Loctite!
Note - Install bearings on torque tube shaft before
installing torque tube ends. Bearings will not slide over
ends.
320-503 Torque Tube Bearing Housing
270mm
270mm
Unequal Bearing Spacing
Torque Tube Assembly
Page 38
320-500 E7 Torque Tube
260mm
Page 41
315-117 E7 Boom Support 580mm
115-119 Boom Support End
115-119 Boom Support End
Notes -
1. Use Epoxy or JBWeld
2. Ensure ends are in alignment while glue sets
Top - attaches to boom clamp
Bottom - attaches to frames
Sand Ends Lightly Before
applying glue!
Sand Ends lightly before
applying glue!
Boom Support Assembly
109-345 3x4x5 Brass Spacer
Page 39
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Page 42
610-128 Boom Support Clamp, Lite
115-114 Tail Control Guide
315-140 E7 Boom 812mm
Torque Tube Assembly (page 38)
Tail Control Rod Assembly (page 37)
Note - Use silicone based grease for
installation of torque tube assembly
into the tail boom.
Tail Boom Assembly
Note - Tail Boom will remain flush with front boom mount.
Do not push tail boom all the way forward! This will cause
improper mesh of the bevel gears.
100-312 M3x12 Socket Head
100-312 M3x12 Socket Head
Page 40
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Page 43
Tail Box Install
101-308 M3x8 Button Head
100-308 M3x8 Socket Head
IMPORTANT!
Do not over tighten bolts!
IMPORTANT!
Do not over tighten bolts!
Page 41
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Page 44
101-412 M4x12 Button Head
100-316 M3x16 Socket Head
100-354 M3 Washer
Boom Support Install
Page 42
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Page 45
M5x35 Socket Head
M5 Nylock Nut
Blade Spacers (Not Included)
696-716mm Main Blades
Main Blade Install
Blade spacers are usually included
by rotor blade manufacturer
Page 43
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Page 46
Tail Blade Install
106-804 Tail Blade Spacers
100-316 M3x16 Socket Head
100-351 M3 Nylock Nut
Note - Counter clockwise rotating tail.
Install tail blades as illustrated.
IMPORTANT!
Select correct tail blade size per Head Speed RPM!
2000 and up - 96-106mm Tail Blades
1950 and lower - 106-116mm Tail Blades
Page 44
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Page 47
305-126 Key Chain Canopy Grommet
305-125 Key Chain Canopy Mount, Male
Canopy Assembly
Note
- Canopy holes may need enlarged to
approximately 8-9mm in order to correctly
install the canopy rubber grommet.
310-405 E7SE Canopy
Page 45
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Page 48
365 mm
1330 mm
Synergy E7SE - Completed!
Page 46
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Page 49
214.25mm
1549.500
157.500
with Rail 696 Blades
Bolt to Bolt
Landing Gear Width
Synergy E7SE - Top View
Page 47
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