Quote:
Originally Posted by Stan Weiss
Don,
@28" water
5/16" valve stem
► (500/((((2.3*.93)/2)^2*pi) - ((.3125/2)^2*pi)))/146 = 0.97381
11/32" valve stem
► (500/((((2.3*.93)/2)^2*pi) - ((.3475/2)^2*pi)))/146 = 0.97886
Which should show an average velocity of 341-343 fps @ the throat.
Stan
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I got ya !!!! 5/16" stem 28"