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.
Advocates for Santa Monica Municipal Airport gathered Aug. 25 to rally support for Measure D, a ballot initiative that would require voter approval before the airport can be closed or redeveloped.
“I never went to an FBO I thought was fun,” said Michael Thayer. Determined to change that, he opened Flying Tigers Aviation at Chino Airport in Chino, California, in June 2013.
AOPA’S LANDSBERG ANNOUNCES RETIREMENT
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