User contributions for 71.145.204.236
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16 December 2014
- 16:3116:31, 16 December 2014 diff hist −287 Engine efficiency →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 current
26 November 2014
- 04:4504:45, 26 November 2014 diff hist +292 Brayton cycle →History current