GRAUPNER GmbH & Co. KG D-73230 KIRCHHEIM/TECK GERMANY
Modifications reserved. No liability for printing errors 11/2011
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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
hardwood dowel with a piece of water hose pushed over it
• Many model engines are very noisy, producing a sound level much higher
than 85 dB (A-weighted), which implies that you should wear ear defenders.
Never run a engine 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.
• If you start your engine 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.
• Take care that the glowplug clip and the lead cannot get tangled in the
propeller or other rotating parts. Check the throttle linkage too.
• Take particular care when carrying the model with the engine running. Hold
the rotating parts well away from you!
• 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.
• Never fly directly over people.
• Never fly directly towards people.
• 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.
• Whenever you are working on the engine, make sure that you are on a safe
surface and cannot slip. Get used to holding the model really securely.
• Take-off and landing strips should be kept free of unauthorised people and
movable obstacles, particularly when a model is using the strip.
• Watch the aeroplane constantly while it is in the air. Models must always
give way to full-size aircraft.
• 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.
• 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 engine by grasping the flywheel, propeller or spinner!
• 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.
• In legal terms our models are classed as aircraft, and as such are subject to
legal regulations and restrictions which must be observed.
• Our brochure “Modellflugrecht, Paragrafen und mehr” (Model Aviation Law,
Legal Requirements and more) is available under Order No. 8034.02, and
contains a summary of all these rules. Your local model shop should have a
copy which you can read. Models fitted with glowplug engines may only be
flown with the landowner’s permission, and third party insurance is
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