Paul,

I'm glad you haven't posted the earlier versions I sent you.

I've made some important tweaks, including factoring in the effect of
compression ratio on thermal efficiency.

Here is version 3.6. Feel free to distribute this one, if you wish.

Regards,

Gordon.

PS: Look at that bsfc at 12,000 altitude with turbocompound: 0.36!

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Still wrong Gordon. It is 2.6L and not 1.3L
The 1.3L will not pump the required air. See the last chart..

Paul Lamar ...No rotor no motor.

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