Engine efficiency: Revision history

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16 December 2014

  • curprev 17:3117:31, 16 December 2014‎ 71.145.204.236 talk‎ 21,460 bytes −287‎ →‎Compression ratio: expansion ratio is the most important factor for engine efficiency . The Otto / Langen engine was a non compression engine but had a very good thermal efficiency due to the large expansion ratio. http://en.wikipedia.org/wiki/Nik

24 February 2014

2 February 2014

31 August 2012

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