Re: stroker cranks

[Cheapass Ron <rapieper@yahoo.com>]

Someone posted that Jonathan's formula is wrong, NOT, it's dead right. 


Another formula floating around on this thread has both the numerator
and denominator multiplied by 4, which is goofy.  It seemed to work,
but it's jes' plain goofy.

(bore/2)^2 * pi * stroke * (# of cyls) / 1000

Bingo.

Ron


--- Jonathan Pack <pack.39@osu.edu> wrote:
> Third, the formula for volume of a cylinder is pi*h*r^2.  In engine
> terms,
> this means pi*stroke*(bore/2)^2 is displacement of each cylinder in
> mm^3.
> Divide that by 1000 to get displacement in cm^3.  Multiply by number
> of
> cylinders and you've got it.  


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