Fly faster and use less Gas. Increase aircraft speed and engine speed. This is accomplished by placing vortelators at certain critical locations on the propeller's most inefficient highest drag areas. Vortelators cause the boundary layer to stay attached to the propeller surface for a greater distance, and to keep the boundary layer thinner. Net result of these two actions is that it reduces both the profile drag and skin friction drag components of the parasite drag. Think of it as the wake behind the aircraft propeller will be smaller requiring less horsepower to turn the propeller through the air for a given RPM. HOMEBUILT: Increases speed by 2 to 4 mph, and rpm by 20 to 50 if you have a fixed pitch propeller. Constant speed propeller, for a given RPM and manifold pressure the propeller will be at a slightly larger pitch giving you more speed. Aircraft Development Bulletin
SKU: 259-200
Our Price: $27.54
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