Translations:KAVAN AP09A - Instruction Manual/46/en: Difference between revisions
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=== | === Propeller, Glow Plug and Fuel === | ||
==== Recommended propeller ==== | ==== Recommended propeller ==== | ||
Optimal diameter and pitch of the propeller needed depends on the model. The weight, or rather the wing loading and the aerodynamic clarity of the model play a role. Different requirements apply to slow high-wing aircraft (Piper – larger propeller with lower pitch) and to aerobatic "speedsters" (smaller diameter, higher pitch). It is likely that you will have to experiment a little to achieve a complete satisfaction. Using a propeller that is too small will force the engine to run at too high RPM. A propeller that is too large will "choke" the engine – the RPM will be too low. In both cases, this will lead to difficult carburettor adjustment and excessive engine wear with the risk of failure. | Optimal diameter and pitch of the propeller needed depends on the model. The weight, or rather the wing loading and the aerodynamic clarity of the model play a role. Different requirements apply to slow high-wing aircraft (Piper – larger propeller with lower pitch) and to aerobatic "speedsters" (smaller diameter, higher pitch). It is likely that you will have to experiment a little to achieve a complete satisfaction. Using a propeller that is too small will force the engine to run at too high RPM. A propeller that is too large will "choke" the engine – the RPM will be too low. In both cases, this will lead to difficult carburettor adjustment and excessive engine wear with the risk of failure. | ||
Latest revision as of 14:44, 28 January 2026
Propeller, Glow Plug and Fuel
Recommended propeller
Optimal diameter and pitch of the propeller needed depends on the model. The weight, or rather the wing loading and the aerodynamic clarity of the model play a role. Different requirements apply to slow high-wing aircraft (Piper – larger propeller with lower pitch) and to aerobatic "speedsters" (smaller diameter, higher pitch). It is likely that you will have to experiment a little to achieve a complete satisfaction. Using a propeller that is too small will force the engine to run at too high RPM. A propeller that is too large will "choke" the engine – the RPM will be too low. In both cases, this will lead to difficult carburettor adjustment and excessive engine wear with the risk of failure.