20 Terms
Home > Industry/Domain > Aviation > Powerplant
Powerplant
The complete installation of an aircraft engine, propeller, and all accessories needed for its proper function.
Industry: Aviation
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Powerplant
V-engine
Aviation; Aircraft maintenance
A form of reciprocating engine in which the cylinders are arranged in two banks. The banks are separated by an angle of between 45º and 90º. Pistons in two cylinders, one in each bank, are connected ...
radial engine (static radial)
Aviation; Aircraft maintenance
A form of reciprocating engine in which the cylinders radiate out from a small central crankcase. The pistons in the cylinders drive a central crankshaft which in turn drives the propeller.
rotary radial engine
Aviation; Aircraft maintenance
A form of reciprocating engine used in some early aircraft. The crankshaft is rigidly attached to the airframe, and the propeller, crankcase, and cylinders all revolve as a unit.
sprag clutch
Aviation; Aircraft maintenance
A freewheeling, nonreversible clutch that allows torque to be applied to a driven unit in one direction only.
float carburetor
Aviation; Aircraft maintenance
A fuel metering device that uses a floatactuated needle valve to maintain fuel level slightly below the edge of the discharge nozzle.
rich mixture
Aviation; Aircraft maintenance
A fuel-air mixture that contains less than 15 parts of air to 1 part of fuel, by weight.
lean mixture
Aviation; Aircraft maintenance
A fuel-air mixture that contains more than 15 parts of air to 1 part of fuel, by weight.
