Posted in Share the Love | 6 Comments » RSS 2.0
Le me generalise on PI.
PI is not only the ratio of circumference to diameter for the special case of a circle. It has that value for any curve of constant diameter. Everyone who knows that drives a Wankel-engined car, I guess
I hadn’t thought of the movement of the Wankel’s off-center rotor as forming a curve of constant diameter before, but of course it does.
The rotor itself has a constant diameter, its circumference is PI*d
The rotor is “roughly triangular” (http://en.wikipedia.org/wiki/Wankel_engine) — are you saying that the slightly bowed sides opposed to the pointed vertices make the diameter constant throughout its rotation?
That’s very cool, and no doubt contributes to its smoothness of operation.
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