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Unread 11-01-2014, 18:43
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Re: Pulling Firing Pin

Quote:
Originally Posted by Jared341 View Post
How did you compute 120lbs of force?
A piston with a two inch bore has a radius of 1 inch, and an area of pi inches.
F=PA=(60 lbs/in^2)(pi)(1 in^2) = 188.49 lbs.
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