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Old 06-14-2018, 02:55 PM   #32
JohnMc
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Join Date: May 2004
Location: St. Louis
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Maybe something like a power plant that has several turbines running off the same source of steam, each turbine specialized to work efficiently in its place in the chain of expanding and cooling steam.

I'm sure it wouldn't work well in practice, but something like a larger, longer stroke piston shared between two pulse paired 'primary' cylinders. They each dump exhaust into it at TDC, and the exhaust gets to provide another power stroke down to BDC, when it dumps into the exhaust back to TDC, where it gets a new pulse of hot gas from the other paired cylinder.

Stuff like that isn't great from a volumetric efficiency standpoint (especially if you consider the 'child' cylinder as part of the displaced volume), but it could be from an overall efficiency standpoint.
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