Barring the smallest manned airplanes, most aircraft that are pulled around by a prop have variable pitch propellers. The reason for this is simple efficiency. Internal combustion engines are most ...

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Designed specifically for Van’s RV class of aircraft, this new propeller features Sensenich’s highly successful proprietary airfoils on a semi-scimitar planform for improved takeoff and climb ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This Savoiia-Marchetti propeller is ...