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Holy mother of god, 122.5Nm/L :O !
Skullworks, I think the cylinder walls absorb that heat fast enough for it to not be an issue lol. As for maximum rod angle...I don't see a very simple way yet. Give me a few minutes.
EDIT: Okay, the angle between the rod and the piston is the arcsin of "x position" relative to crank center and rod length, so the max angle is at 90* and 270* crank angle, and the angle is arcsin(crank radius/rod length).
138mm crank has maximum angle of 18.16*, 130mm crank has maximum angle of 19.32*. The angle measurement isn't really what's important though, the sine is the maximum ratio of sideloading force to bearing force, and the tangent is the maximum ratio of sideloading force to net force on the piston.
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