E-PROPS : Constant Speed Propellers - weight comparison
E-Props Glorieuse-3 : by far the lightest Constant Speed Propellers.
Innovative research, advanced calculations, extensive testing and the use of high-performance materials have made this impressive gap possible.
ADVANTAGES OF A LIGHT PROPELLER
1- In aviation, any weight savings are important.
2 - Light propellers allow a better functioning of the engine :
better performance on the whole RPM range
better linearity of the engine RPM
smoother starting and shutdown
less vibrations due to the propeller
3- Light propellers put much less constraints on the gearbox :
A light propeller allows to respect the maximal value of the Moment of Inertia of the engine, increasing the gearbox lifetime.
4- A low moment of inertia also makes the propeller more reactive :
This allows a direct and enjoyable piloting, without strength, without gap between pressing the accelerator and the increase of RPM.
A light propeller stops very fast : that is fewer risks of break in case of shock in the propeller. Less stored kinetic energy = fewer damages in case of impact.
5- Last but not least, a lightest propeller increases fuel range and safety significantly.
For example, a weight gain of 4 kg (common with E-Props !) = 5,6 liters of fuel, which allows to fly 50 km more with an aircraft with a Rotax 912 (consumption of 16 l/h). A real gain.
More data on GLORIEUSE : https://aircraft.e-props.fr/glorieuse...
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