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The Verner VM 133 is a family of Czech two cylinder, horizontally opposed, four stroke aircraft engines, designed and built by Verner Motor of Šumperk. [ 1 ] [ 2 ] [ 3 ] Design and development
Some light twin-engine airplane pilots place yaw strings on their aircraft to help maintain control in the event of an engine failure, because the slip-skid indicator ball is not accurate in this case. [16] In a multiengine airplane with an inoperative engine, the centered ball is no longer the indicator of zero sideslip due to asymmetrical ...
Counter-rotating propellers generally turn clockwise on the left engine and counterclockwise on the right. The advantage of such designs is that counter-rotating propellers balance the effects of torque and P-factor, meaning that such aircraft do not have a critical engine in the case of engine failure.
Spiral slipstream, also known as propwash, prop wash, or spiraling slipstream, is a spiral-shaped slipstream formed behind a rotating propeller on an aircraft. The most noticeable effect resulting from the formation of a spiral slipstream is the tendency to yaw nose-left at low speed and full throttle (in centerline tractor aircraft with a ...
On a multi-engine aircraft, feathering the propeller on an inoperative engine reduces drag, and helps the aircraft maintain speed and altitude with the operative engines. Feathering also prevents windmilling , the turning of engine components by the propeller rotation forced by the slipstream; windmilling can damage the engine, start a fire, or ...
The SlipStream Genesis is a family of American, strut-braced, high wing, pusher configuration, tricycle gear aircraft, produced in kit form, for amateur construction. Designed by Chuck Hamilton, the series were originally produced by Innovation Engineering of Davenport, Iowa and more recently by SlipStream International of Wautoma, Wisconsin .
A diverterless supersonic inlet (DSI) consists of a "bump" and a forward-swept inlet cowl, which work together to divert boundary layer airflow away from the aircraft's engine while compressing the air to slow it down from supersonic speed. The DSI can be used to replace conventional methods of controlling supersonic and boundary layer airflow.
Airplane gliding occurs when all the engines of an aircraft shut down, but the wings are still functional and can be used for a controlled descent. This is a very rare condition in multi-engine airliners, [1] though it is the obvious result when a single-engine airplane experiences engine failure.