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The aircraft is a single-place biplane design with anhedral (drooping) wings, front double elevator (a canard) and rear double rudder. It used a 12 horsepower (9 kilowatts) gasoline engine powering two pusher propellers. Employing "wing warping", it was relatively unstable and very difficult to fly. [5]
The propellers on some aircraft can operate with a negative blade pitch angle, and thus reverse the thrust from the propeller. This is known as Beta Pitch. Reverse thrust is used to help slow the aircraft after landing and is particularly advantageous when landing on a wet runway as wheel braking suffers reduced effectiveness.
Nose art is a decorative painting or design on the fuselage of an aircraft, usually on the front fuselage. While begun for practical reasons of identifying friendly units, the practice evolved to express the individuality often constrained by the uniformity of the military, to evoke memories of home and peacetime life, and as a kind of ...
Its propellers were somewhat unusual in that they were both wood and adjustable pitch. [9] Wood was chosen over metal as the latter was seen to be too heavy and too expensive. [4] [12] By 1943, it was producing propeller blades from plastic impregnated wood manufactured by the Formica Insulation Company. [13]
Powerfin produces carbon fiber two, three, four and five-bladed propellers for two-stroke and four-stroke engines up to the Rotax 914 of 115 hp (86 kW). [2] [4] [5] [6]The company is noted for its use of the Clark Y airfoil, infinite blade angle adjustment, as well as for the very low rotating inertia of its designs, a key wear factor on lightweight engine gearboxes.
A propeller (often called a screw if on a ship or an airscrew if on an aircraft) is a device with a rotating hub and radiating blades that are set at a pitch to form a helical spiral which, when rotated, exerts linear thrust upon a working fluid such as water or air. [1]