GRAUPNER GmbH & Co. KG D-73230 KIRCHHEIM/TECK GERMANY
Änderungen vorbehalten! Keine Haftung für Druckfehler 02/2007
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Never run an internal combustion engine in an enclosed space such as a cellar, garage
etc. Model motors produce lethal carbon monoxide gas just like full-size engines.
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Motors should only be run in the open air!
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Adhesives and paints contain solvents which may be hazardous to health under certain
circumstances. Read and observe the notes and warnings supplied by the manufacturer of
these materials.
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Model fuels are volatile and highly inflammable. Keep them well away from open flames,
excessive heat, all possible sources of sparks and anything else which could result in a
fire. Do not smoke in the immediate vicinity of fuel or fuel vapours.
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Model engines generate a lot of heat. The motor and silencer in particular become very hot
when running, and stay at a high temperature for quite a while. Touching the hot parts can
give you serious burns, so take care especially when carrying out adjustments - wear
protective gloves. Hot engines can even start a fire under certain circumstances.
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When the motor is running it expels hot toxic gases from the exhaust together with very
hot fluid combustion residues which can burn you if you are not careful.
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Remove all unused fuel from the fueltank and motor after every session.
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Every time you intend to operate your model check carefully that it and everything
attached to it (e.g. propeller, linkages, control surfaces etc.) is in good condition and
undamaged. If you find a fault, do not fly the model until you have corrected it.
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Model engines are usually started with the help of an electric starter which should be fitted
with the appropriate adaptor where necessary. With fixed-wing models an alternative is to
use a “chicken stick” - a length of thick wooden dowel with a piece of water hose pushed
over it.
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Many model motors are very noisy, producing a sound level much higher than 85 dB (A),
which implies that you should wear ear defenders. Never run a motor without the silencer
fitted. Even with a silencer, model engines can easily disturb your neighbours. Don’t run
engines when other people expect peace and quiet.
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If you start your motor when the model is standing on loose or sandy ground, the propeller
will suck up sand and dust and hurl it around, and it could easily get in your eyes and do
damage. Wear protective goggles at such times.
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Take care that the glowplug clip and the glow lead cannot get tangled in the propeller or
other rotating parts. Check the throttle linkage too.
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Take particular care when carrying the model with the motor running. Hold the rotating
parts well away from you!
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Be sure to keep an adequate supply of fuel in the tank. Don’t continue to fly the model until
the tank is drained dry.
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Never fly directly over people.
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Never fly directly towards people.
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Keep a safe distance from residential areas: at least 1.5 km “as the crow flies”. The best
solution is to join a model flying club and use the approved flying site. Always keep well
clear of high-tension overhead cables.
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Whenever you are working on the motor, make sure that you are on a safe surface and
cannot slip. Get used to holding the model really securely.
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Take-off and landing strips should be kept free of unauthorised people and movable
obstacles, particularly when a model is using the strip.
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Watch the aeroplane constantly while it is in the air. Models must always give way to full-
size aircraft.
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Don’t operate your aircraft from public roads, squares, school playgrounds, public parks
or sports grounds etc., and ensure that you are always in full control of the model.
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It is important that you are able to stop your engine at any time. This is achieved by
adjusting the throttle so that the barrel closes completely when you move the throttle stick
and trim to their end-points. If this does not work, pinch the fuel feed line between your
fingers or pull it off the carburettor. Never try to stop the motor by grasping the flywheel,
propeller or spinner!
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All model flyers should behave in a manner which minimises the danger to people and
property. Never act in any way which will disturb other flyers and jeopardise safe, orderly
flying at the site.
