From: Andrew O. Mellinger (andrew@crashbox.com)
Date: Tue 05 Feb 2002 - 19:40:15 EET
><putting on my math teacher hat>
>That rather depends on which metal it's made of. Here's how to figure
>that:
>
>1) Your item has a radius of 2 feet
>2) Your item has a length of 10 feet
>3) The formula for the volume of a cylinder is pi * (radius * radius) *
>length
>
>Therefore your item has a volume of
> pi * 2 * 2 * 10
> = pi * 40
> ~= 3.14 * 40
> = 125.6 cubic feet
>
>Now, for example aluminum weighs about 170 lbs per cubic foot, so
>assuming the cylinder is solid and of homogeneous construction it would
>weigh about 5,024 pounds.
Uh,
125.5 * 1270 = 21,352.
>Aluminum is one of the lightest metals, so you're correct that 3,000 lbs
>is very light for this construction (given the assumptions above).
So 3,000 is *very, very* light.
BTW: I found an interesting page via google that has an interesing
appearing calculator for this. However, it makes IE 5.1 on Mac OSX
crash. Someone on windoze can give it a try.
It is at http://www.mesteel.com
-Andrew
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