October 28, 2013
Question: In terms of reciprocating engines, what is a compression ratio?
Answer: The compression ratio of an engine is the ratio of the volume of space in a cylinder when the piston is at the top of the stroke compared with when it is at the bottom of the stroke. A higher compression ratio generally means higher engine efficiency.
AOPA and the Massachusetts Airport Management Association defeat an effort to cut $34 million from the Massachusetts transportation bond bill.
Engine overhauler Penn Yan Aero announced that it is extending the warranties on overhauled and experimental aircraft engines, effective immediately.
Dinners at Waypoint Café at California's Camarillo Airport will have an outside dining option to watch airplanes and helicopters take off and land, and learn more about general aviation in the process.
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