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AR15.COM
11/16/2011 6:21:40 AM EDT
I need some ballistics experts please.

A man will pass a kidney stone via peeing.

Question:  Let's assume it is a relatively small kidney stone but it gets stuck in the urethra at the base of the penis where it connects to the body.   Assume averages for everything.  If the kidney stone is slightly larger than the diameter of the urethra to the point where it will not fall out, could you shoot it out like a bb if you ejaculate?  Could someone provide ballistic data as well?  I know some of the constant values (assuming no blockages).  The average velocity of ejaculation is approximately 28 mph and there are approximately 3.2 mL of ejaculate each time.  Assume the kidney stone is a perfect sphere similar to a BB.