"Chris Bacon" wrote in message
...
Sylvain VAN DER WALDE wrote:
[ engine tuning/ compression ratio ]
Comments: The length of the stroke is controlled by the combined design
of the cranckshaft and connecting rod.

Why the *combined* design of the crackshaft and the contorting rod?
Surely just the throw of the crank?

"Belt and braces", I suppose. I've forgotten a lot, and am playing safe.

Sylvain.