| Themes > Science > Physics > Fluid Dynamics > Flying the flag for fluid dynamics > Aerodynamics > Selected Topics of Model Aerodynamics > Propulsion by Propellers > The Propeller |
Having a powerplant available is only one part of aircraft propulsion, we also need means to transform the power output of the engine into something useful. Piston engines usually drive a rotating shaft, which must be connected to a device which, literally "in turn", creates a force, finally advancing our vehicle. Propellers have been developed and sucessfully used on ships first. |
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