GRAUPNER HoTT-FAN Operating Instructions Manual
GRAUPNER/SJ GmbH D-73230 KIRCHHEIM/TECK GERMANY
Modifications reserved. No liability for printing errors. 11/2013
1
No. 9920.100
OPERATING INSTRUCTIONS
HoTT-FAN
ARTF RC model aircraft fitted with retractable ducted fan unit
This model requires a HoTT COMPUTER SYSTEM
GRAUPNER/SJ GmbH D-73230 KIRCHHEIM/TECK GERMANY
Modifications reserved. No liability for printing errors. 11/2013
2
It 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-FAN is a particularly attractive RC model aircraft which
offers an excellent performance in the air. The original carton can be used as a convenient method of storing, protecting and transporting the model.
The HoTT-FAN is fitted with a highly efficient retractable ducted fan power unit which
gives the model an excellent climb rate, at the same time generating a pleasant
sound reminiscent of a turbine. The model is based on Bob Carlton’s Super Salto,
and this combination simulates the full-size aircraft very closely. The original machine
is powered by a PBS TJ-100 turbine.
Please take the time to read through these operating instructions before attempting
to fly the model.
Pack contents
1. Ready-made fuselage with factory-fitted retractable power unit and detachable
canopy. HPD 2512-5000 7.4 V BRUSHLESS motor, including BRUSHLESS
CONTROL 22 speed controller and 58 mm Ø fan unit, ready to run. Four miniservos installed, ready to use. Part-painted, with decals already applied.
2. Pair of wing panels with aileron linkages, decals applied.
3. V-tail panels with decals already applied.
4. Polythene bag of small hardware items.
5. Operating instructions with integrated safety notes in German, English and
French.
Essential accessories (not included)
Graupner/SJ MX-12 HoTT computer system Order No. 33112
ULTRA QUICK 70 battery charger Order No. 64070
LiPo battery, 45C 3/1600 11.1 V Order No. 9717.3
Assembling the model
The airframe requires very little assembly work, but the following notes must be followed carefully to ensure that the model flies safely.
The first step is to join the two V-tail panels as shown in the photo.
GRAUPNER/SJ GmbH D-73230 KIRCHHEIM/TECK GERMANY
Modifications reserved. No liability for printing errors. 11/2013
3
The illustration shows the fixings (hook-and-loop tape) for the LiPo flight battery, the
M2.5 x 16 retaining screws for the V-tail assembly, and the M2.5 x 5 clamping screw
for the swivel pushrod connector. You will find these parts in the polythene bag of
small hardware items.
The photo shows the V-tail assembly unscrewed from the fuselage, with the tail
pushrods fitted through the connector barrels. Set both servos to centre before
tightening the clamping screws, and grip the barrel firmly in a pair of pliers while you
tighten the screw. Caution: the pushrods must be securely clamped once you
have tightened the screws. If a pushrod comes adrift, the model could crash.
The canopy is opened by holding it at the rear on both sides, and pulling it upwards.
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