Re: [PSUBS-MAILIST] sub bouyancy

["Michael B. Holt" <mholt@richmond.edu>]

HeyCLOWNeY@aol.com wrote:
> 
> im thinking of building a sub out of a propane tank  (500 gallon), it weighs
> 1069 pounds ( as it sits now before ribs,con tower,tanks whatever) im trying
> to figure out the bouyancy of a tank this size so i can calculate how much
> weight i can build on to it before i reach negative bouyancy,does anyone know
> the formula for figuring this problem? 

Bill, what's the thickness of the tank?  What's the diameter?
How long is it (between frames)?



Mike