Re: [[PSUBS-MAILIST] Pro's & Con's of Propane Tanks]

[Danny Campbell <danny.campbell@usa.net>]

I thought there was a message a couple of weeks ago about propane delivery
trucks; a quick search of the archives located it.  We ran out of propane this
morning and while the delivery truck was in the driveway I ran out and wrote
down the info off the side of the tank.  It is as follows:

Manufacturer:  Ameritank
Overall length: 169"
Outer Diameter: 73.5"
Surface Area: 270 square feet
Internal Volume: 2600 gallons
Cylinder Thickness: 0.444 inches
Head Thickness: 0.245 inches
Water Weight Full: 21,665 pounds
Material: SA612
Max Pressure: 250 psi

Do with this information what you may, I have copied it verbatim from the tank
itself and have not checked the numbers against themselves.  I too have looked
longingly at those delivery truck tanks and they certainly seem beefy enough. 
But wow, who is able to haul 11 tons around?  Think I'll stick with the advice
of some of the "sub gods" and build something smaller, from scratch, and not
rely on the reliability of a tank that was designed for another purpose.

Danny



Original Message:

     From: DSmith4038@aol.com 
     Date: Sat, 29 Jan 2000 08:47:34 EST 

          I would be interested in gathering some pointers on using old 
propane tanks for a pressure hull. For instance , are the old propane tanks 
that were used on delivery trucks thicker walled than the old stationary 
residential tanks? Should I shop for one of them? You do see a lot of these 
trucks around so they must become surplus at one time. I would like a large 
tank, maybe a 1000 gals or better for my psub. So guys, what are some pro's &

con's on these propane tanks ?? Also are there other types of surplus tanks 
better suited for psubs?
Regards Doug

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