Re: [PSUBS-MAILIST] Carbon Fiber

["Paul Suds" <paul_suds@hotmail.com>]

Fiberglass and Carbon fiber can both be used as material for a structural 
hull. I don't know where you got the idea that they are not strong enough. 
It all depends on the design. I have my pressure bearing hull designed with 
glass and carbon fiber using epoxy resin. One major advantage is that I can 
make it any shape that I want. The outer hull is fiberglass and superhigh 
density polyethelene is in places for flexibility and scratch 
resistance/impact resistance. The outer hull is not pressure bounding. If 
you want to know all the strengths, I can get out my design and calculations 
and compare it to steel. I designed it for 500 ft, with a max operating 
depth of 150 ft.
Remember some of the most flexible (from diffferent design points)materials 
are composite designs.
Suds
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