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திங்கள், நவம்பர் 11, 2013

Triple Expansion Rotary Steam Engine

Got the triple done and connected to the dyno. It was very tight at first because of the 6 packing seals. At 150PSI steam it started spinning slowly and the packings started to loosen and spin fast. Shortly thereafter it quit running because of rotor scuffing.
See movie http://www.youtube.com/watch?v=OwpHUanYV9A
The highest recorded speed was 2334 RPM.
Conclusions are that it runs more like a steam turbine engine than a well sealed piston engine. And that it needs high RPM and a lot more steam pressure and duration to make any determination as to its usefulness. I think at 300+PSI and 5000+RPM It would start to make good power. 

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