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Aviation Dictionary

Two-stroke engine

A simple form of reciprocating engine that completes its operating cycle in two strokes of its piston, one down and one up. Two-stroke-cycle engines are inefficient in their use of fuel, but their simplicity makes them...

Dictionary Term

Two-stroke engine

Definitions

  • A simple form of reciprocating engine that completes its operating cycle in two strokes of its piston, one down and one up. Two-stroke-cycle engines are inefficient in their use of fuel, but their simplicity makes them popular for powering light-sport aircraft and ultralight vehicles where light weight and low cost are paramount.
  • A simple form of reciprocating engine that completes its operating cycle in two strokes of its piston—one down and one up. Two-stroke-cycle engines are inefficient in their use of fuel, but their simplicity makes them popular for powering light-sport aircraft and ultralight vehicles where light weight and low cost are paramount.

References

  • Powered Parachute Flying Handbook, Federal Aviation Administration, 2007
  • Weight-Shift Control Aircraft Flying Handbook, Federal Aviation Administration, 2008