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[PSUBS-MAILIST] hull material
I called a friend of mine last night. He does concreet for a
living. He did some quick math and figured if you had a 20' sub with only
2" concreet. it would weight olmost 10 ton, not counting rebar and
screening for suport.
Leson learned? Concreet is not an
option. Looks like I take a coese on welding and metal
fabracatin.
Rob