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GRAUPNER/SJ GmbH D-73230 KIRCHHEIM/TECK GERMANY
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No. 9932.100
ASSEMBLY INSTRUCTIONS
HoTT DELUXE
ARTF RC model aircraft fitted with brushless power system
This model requires a HoTT COMPUTER SYSTEM
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It really is essential to read and observe the special safety notes included in these operating instructions and the appendix. If you ever dispose of the model, please be sure to pass on the
complete operating instructions to the new owner.
Introduction
The Graupner/SJ HoTT DELUXE is a particularly attractive RC model aircraft which
offers a superb performance in the air. The HoTT DELUXE is equipped as standard
with an HPD brushless power system. The motor is very powerful, and gives the
HoTT DELUXE an outstanding climb rate and excellent aerobatic qualities. The
model is based loosely on a luxury-class light aircraft, and features radio aerials and
stabiliser vanes on the fin. Please take the time to read right through these operating
instructions before attempting to operate the model.
Pack contents
1. Ready-made fuselage fitted with control surface linkages and detachable canopy.
HPD 3620-1100 11.1 V BRUSHLESS motor, including BRUSHLESS CONTROL
30 A, installed and ready for use. Two servos installed as standard.
2. Fin and factory-fitted rudder horn.
3. Tailplane and factory-fitted elevator horns.
4. Left-hand wing with aileron servo and linkage.
5. Right-hand wing with aileron servo and linkage.
6. Polythene bag of small hardware items.
7. Propeller and spinner.
8. Extensive HoTT decal sheet.
9. Assembly instructions with integral safety notes in German, English and French
(not shown).
Essential accessories (not included)
Graupner/SJ MX-10 HoTT computer system Order No. 33110
LiPo ULTRAMAT 8 battery charger Order No. 6411
G 3.5 charge lead Order No. 2970.L
LiPo battery, 3/2500 11.1 V, 20C Order No. 7633.3
Servo extension lead, 100 mm (two required) Order No. 3935.11
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Essential tools and adhesives (not included)
Cyano-acrylate glue (“cyano”) Order No.5821
Cyano-acrylate activator Order No.953.150
You will also need the following: abrasive paper, 1.5 mm A/F allen key, screwdriver.
Assembling the model
The airframe requires just a few glued joints and assembly steps to complete, but the
following instructions must still be observed carefully to ensure that the model flies
safely.
The first step is to open the canopy: grasp it firmly at the rear end, and pull it upwards
and off. Now use a servo tester or your radio control system to centre the rudder and
elevator servos.
The photo shows the fuselage with the tailplane and fin inserted. Push the panels
into their slots as far as they will go, set them exactly “square”, and slip the pushrods
through the swivel connectors. When you are satisfied, apply low-viscosity cyanoacrylate (“thin cyano”) along the joints. Caution: do not use activator for these
joints, as this will prevent the adhesive running fully into the joints.
Allow the glue to set hard, then tighten the grubscrews in the swivel connectors using
the 1.5 mm A/F allen key. Ensure that both elevator panels are exactly parallel and at
neutral (centre).
Caution: after tightening the grubscrews check that the pushrods are securely
fixed. If either of them should work loose, the model is likely to crash.
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Fit the propeller on the motor shaft as shown in the picture: the clamping screw must
engage on the machined flat in the shaft. Tighten the clamping screw firmly using the
allen key. This completes work on the fuselage.
The next step is to glue the four plywood parts in place as shown. It is essential to sand the joint surface of all four rectangles to obtain really strong glued
joints. Glue the rectangular plywood plates to one wing panel to act as guides. The
wing panels can now be glued together: apply glue to the whole of the contact area.
Do not use activator, otherwise you may not have enough time to align the two wing
panels relative to each other before the glue sets.
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Caution: it is essential to wear protective goggles when completing this procedure, as glue may be forced out of the joints when the plywood plates are
pressed into place.
Glue the two wing joiners in place: apply glue to the slot, then immediately press the
joiner fully into place; don’t use activator. If excess glue is forced out of the joints,
wipe it off immediately using a piece of paper towel.
Wing assembly is completed by gluing in place the spreader washers for the wing
retainer screws, and removing the excess foam which provides protection against
transport damage. The wing can now be screwed to the underside of the fuselage.
Remember to route the servo leads through the bottom opening in the fuselage.
Please bear in mind that connecting the G 3.5 plug and socket, as shown in the
photo, switches the receiver on. In this state the motor could suddenly burst
into life as a result of unpredictable circumstances; this is potentially very
dangerous. For this reason it is essential to avoid touching the propeller when
the G 3.5 plug and socket are connected, and to keep the propeller away from
all objects. Pierce a hole in the right-hand fuselage side for the receiver aerial.
Connect the servo leads and the speed controller to the receiver in the following
sequence: speed controller to socket 1, left-hand aileron servo to socket 2, elevator
servo to socket 3, rudder servo to socket 4, right-hand aileron servo to socket 5.
Caution: refer to the diagram printed on the receiver to ensure that the connectors are plugged in the right way round; the brown or black wire must
always be at the top of the receiver.
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Cut out the individual decals from the transfer sheet, and apply them to the model in
the arrangement shown in the drawing. Note that the decals must be slit along the
control surface hinge lines, otherwise the control surfaces will jam. The windscreen is
supplied in three parts so that it can be applied to the model without creases.
Control surface travels
The model is designed to produce the correct control surface deflections when servo
travel is set to the default value of about 100%. The actual values are as follows, in
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each case measured at the trailing edge and inboard end of the control surface:
rudder approx. 15 mm each way, elevator approx. 12 mm up and down, ailerons
approx. 15 mm up and approx. 7 mm down.
Centre of Gravity range
The HoTT DELUXE should balance at a point between 70 and 80 mm aft of the root
leading edge of the wing. If you have fitted the recommended LiPo battery, the CG
will automatically be in this range without the need for ballast. It is a good idea to
check the model’s CG by supporting it under the wing on two fingertips at the recommended point: the model should now balance level.
The photo shows the CG range, as measured from the wing root leading edge.
First flight
First give the LiPo and transmitter batteries a full charge. It is important to use
the recommended chargers exclusively, and to observe the operating instructions and safety notes supplied with the charger.
Wait for a day with no more than a light breeze, and prepare the model fully. It should
be given a fairly brisk hand-launch directly into the wind; trotting forward for a few
paces gives the right launch speed. The model’s nose should be inclined up by about
15° when it leaves the launcher’s hand.
It is essential to adjust the model’s trim carefully, especially during the first flight: this
is accomplished by moving the trim buttons below and to one side of the primary
sticks. Adjust the aileron trim button until the model flies perfectly straight. Always
land directly into wind, with the motor switched off. Gently apply up-elevator to flare
out and reduce speed just before the model touches down. It is essential always to
land directly into wind. Note: the model can be fitted at any time with an undercarriage; all the parts required for this are included in the set, Order No. 9932.5.
The cowl is only secured with double-sided tape. If you need access for maintenance
work, slide a broad knife-blade into the separation line with the fuselage, and lift the
cowl off.
Please note: for safety reasons it is essential to disconnect the G 3.5 plug and
socket after every motor run; this also avoids damage to the LiPo battery.
All of us at GRAUPNER/SJ Modellbau hope you have many fine flights with your new
HoTT DELUXE
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Specification
Wingspan approx. 1240 mm
Overall length approx. 955 mm
Wing area approx. 21.0 dm²
Tailplane area approx. 4.0 dm²
Total surface area approx. 25.0 dm²
Total surface area loading approx. 40.0 g/dm²
All-up weight approx. 1000 g
Replacement parts and accessories (not included)
Tailplane and fin Order No. 9932.4
Undercarriage set and installation instructions Order No. 9932.5
Decal sheet Order No. 9932.14
Ready-made fuselage with motor, speed controller,
servos and canopy Order No. 9932.200
Pair of wings with servos and small items Order No. 9932.300
Speed controller* Order No. 33735
Brushless motor* Order No. 7748
Spinner, 45 mm Ø* Order No. 6056.454
Propeller* Order No.1326.11 x 5
* not identical to the components supplied as standard.
Environmental protection notes
The presence of this symbol on a product, in the user instructions or the packaging, means that you must not dispose of that
item in the ordinary domestic waste when the product comes to the end of its useful life. The correct method of
disposal is to take it to your local collection point for recycling electrical and electronic equipment.
Individual markings indicate which materials can be recycled and re-used. You can make an important contribution to the protection of our shared environment by re-using the product, recycling the basic materials or reprocessing redundant equipment in other ways.
Dry cells and rechargeable batteries must be removed from the device and taken separately to a suitable battery disposal
centre.
If you don’t know the location of your nearest disposal centre, please enquire at your local council office.
Safety Notes
It is a legal requirement to obtain third-party insurance before you operate any model aircraft.
Before attempting to operate the model for the first time it is essential to read right through the
operating instructions attentively. You alone are responsible for the safe operation of your RC
model aircraft. Young persons must be supervised by a responsible adult who is aware of the
possible hazards involved in the operation of model aeroplanes.
In legal terms our models are classed as aircraft, and as such are subject to legal regulations
and restrictions which must be observed at all times. It is important to use only those parts
included in the kit, together with other genuine Graupner accessories and replacement parts as
recommended expressly by us. Even if you change a single component, you can no longer be
sure that the whole system will work reliably, and such changes also invalidate your guarantee.
Avoid short-circuits at all times.
The high energy density of batteries involves a constant risk of explosion and fire.
A radio-controlled model aircraft can only work properly and fulfil your expectations if it is built
very carefully, and in accordance with the building instructions. Nobody would climb into a
full-size sailplane and try to fly it without first completing a course of training. Model flying is
just such a skill, and has to be learned in exactly the same way.
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However, as manufacturers we have no means of influencing the way you build and operate
your RC model aircraft, and for this reason we can do no more than point out the hazards
expressly. We accept no further liability.
If you need help, please enlist the aid of an experienced modeller, join a model club or enrol at
a model flying training school. Model shops and the specialist model press are also good
sources of information. The best course is always to join a club and fly at the approved model
flying site.
The operator must be in full possession of his bodily and mental capabilities. As with car
driving, it is not permissible to fly a model aircraft under the effect of alcohol or drugs.
Make sure that all passers-by and onlookers are aware of the hazards involved in the operation
of your model. Remind spectators to keep a safe distance from the model.
Always maintain a safe distance between your model and other people or objects. Never fly low
over people or directly towards them.
Radio-controlled models should only be flown in “normal” weather conditions, i.e. a
temperature range of -5° to +35°C. More extreme temperatur es can lead to changes in battery
capacity, material characteristics, the strength of glued joints and other unwanted effects.
All model flyers should behave in a way which minimises the danger to people and property.
Never act in any manner which will disturb other pilots, or have an adverse effect on safe,
orderly flying at the site.
Don’t operate your model aeroplane in the vicinity of overhead power cables, industrial sites,
residential areas, public roads, school playgrounds or sports fields etc.
Pre-flight checks
Check that the radio control system works correctly and at full range before every flight: switch
on the transmitter and receiving system, and ensure that all the control surfaces work
smoothly, and deflect in the correct “sense” in relation to the stick movements.
If you are a beginner to this type of model flying, we recommend that you enlist an experienced
model pilot to help you check and test-fly the model.
Please don’t ignore our warnings. They refer to hazardous materials and processes which, if
ignored, can result in fatal injury or serious damage to property.
Propellers powered by a motor constitute a permanent hazard and represent a real risk of
injury. Don’t touch them with any part of your body. For example, a rotor spinning at high
speed can easily cut your finger badly.
Keep well clear of the rotational plane of the propeller. You never know when some part or the
whole prop may come loose and fly off at high speed, hitting you or anybody else in the
vicinity. In unfavourable circumstances this could result in serious injury. Ensure that the
revolving propeller never comes into contact with any object.
Make sure that it is impossible for any object to stall or block the propeller.
Every time you intend to operate your model, check carefully that it and everything attached to
it (e.g. propeller, tailplane etc.) is in good condition and undamaged. If you find a fault, do not
fly the model until you have corrected it.
Radio interference caused by unknown sources can occur at any time without warning. If this
should happen, your model will be uncontrollable and completely unpredictable. Never leave
your radio control system unguarded, as other people might pick it up and try to use it.
Do not switch the electric motor on unless you have checked that there is nothing in the
rotational plane of the propeller. Never attempt to stop the propeller when it is spinning.
Electric motors with propellers attached must only be run when firmly mounted.
If you are to fly your model safely and avoid problems, it is essential that you are aware of its
position and attitude throughout each flight - so don’t let it fly too far away. If you detect a
control problem or interference during a flight, immediately land the model to prevent a
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potential accident. Model aeroplanes must always give way to full-size aircraft. Take-off and
landing strips should be kept free of people and other obstacles.
Your HoTT COMPUTER RC system can only work reliably if the batteries are kept fully charged.
Never use hot, faulty or damaged batteries. It is important to observe the instructions supplied
by the battery manufacturer.
Please don’t misunderstand the purpose of these notes. We only want to make you aware of
the many dangers and hazards which can arise if you lack knowledge and experience, or work
carelessly or irresponsibly. Provided that you take reasonable care, model flying is a highly
creative, instructive, enjoyable and relaxing pastime.
Manufacturer’s declaration:
If material defects or manufacturing faults should arise in a product distributed by us in the
Federal Republic of Germany and purchased by a consumer (§ 13 BGB), we, Graupner/SJ
GmbH, D-73230 Kirchheim/Teck, Germany, acknowledge the obligation to correct those defects
within the limitations described below.
The consumer is not entitled to exploit this manufacturer’s declaration if the failure in the
usability of the product is due to natural wear, use under competition conditions, incompetent
or improper use (including incorrect installation) or external influences.
This manufacturer’s declaration does not affect the consumer’s legal or contractual rights
regarding defects arising from the purchase contract between the consumer and the vendor
(dealer).
Extent of the guarantee
If a claim is made under guarantee, we undertake at our discretion to repair or replace the
defective goods. We will not consider supplementary claims, especially for reimbursement of
costs relating to the defect (e.g. installation / removal costs) and compensation for consequent
damages unless they are allowed by statute. This does not affect claims based on legal
regulations, especially according to product liability law.
Guarantee requirements
The purchaser is required to make the guarantee claim in writing, and must enclose original
proof of purchase (e.g. invoice, receipt, delivery note) and this guarantee card. The purchaser
must send the defective goods to us at his own cost, using the address stated above.
The purchaser should state the material defect or manufacturing fault, or the symptoms of the
fault, in as accurate a manner as possible, so that we can check if our guarantee obligation is
applicable.
The goods are transported from the consumer to us and from us to the consumer at the risk of
the consumer.
Duration of validity
This declaration only applies to claims made to us during the claim period as stated in this
declaration. The claim period is 24 months from the date of purchase of the product by the
consumer from a dealer in the Federal Republic of Germany (purchase date). If a defect arises
after the end of the claim period, or if the evidence or documents required according to this
declaration in order to make the claim valid are not presented until after this period, then the
consumer forfeits any rights or claims from this declaration.
Limitation by lapse of time
If we do not acknowledge the validity of a claim based on this declaration within the claim
period, all claims based on this declaration are barred by the statute of limitations after six
months from the time of implementation; however, this cannot occur before the end of the
claim period.
Applicable law
This declaration, and the claims, rights and obligations arising from it, are based exclusively
on the pertinent German Law, excluding the norms of international private law, and excluding
UN retail law.
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