joe wrote in
:

Michael Daly wrote:

On 29-Jul-2005, Frank J Warner wrote:


Or line the INSIDE of the tank with foam.


I gotta admit - this sounds like a plausible solution. I've always
wondered why the put the foam on the outside - the weakest material
in the most exposed position.

Mike
double wall like the oil tankers with foam in the middle


adds too much weight.

--
Jim Yanik
jyanik
at
kua.net