I have had a hard time finding correct compression gauge readings for the
Spitfire and the B.
If I calculate using no heating, the compression gauge reading would be
about 118 for an 8.0:1 piston.
However, I can't see that this is correct. There should be >some<
heating due to compression of the gas... therefore the compression gauge
reading would be higher.
Is there a good way to calculate the desired reading? I've forgotton my
non-isothermal gas math.
I know there are some engineers out there... <g>
John M. Trindle | jtrindle@tsquare.com | Tidewater Sports Car Club
'73 MGB DSP | '69 Spitfire E Stock | '88 RX-7 C Stock
Home Page: http://www.widomaker.com/~trindle
"Gerrold's Laws of Infernal Dynamics:
1. An object in motion will be heading in the wrong direction.
2. An object at rest will be in the wrong place."
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