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Old 12-27-2011, 02:46 PM
BeaverRat BeaverRat is offline
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Join Date: Jun 2011
Location: WA
Posts: 147
Default Re: polyethylene 4"x17" pipe- fuel tank

Originally Posted by robbomberbomyea View Post
thanks for the input,think ill give it a try,plan on 3 1/2" x 20" wanting to hold close to gal.i think the formula is dia x dia x length gives the cubic vol... and 321 = 1 gal i think thats the way to fig.thanks again
Almost! The formula for volume of a cylinder is pi(r^2)l so that would be 3.14(1.75^2)20 = 192.4 cubic inches
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