Re: [PSUBS-MAILIST] Fiberglass hulls

[Jon Wallace <jonw@psubs.org>]

Alan,

The 2 inch reference was in a newspaper story.  The web page text 
written by the co-owner of the sub said that the hull was "up to 4 
inches thick".  It's obvious looking at the photos that the entire sub 
was not 4 inches thick however, so it's not at all clear which parts of 
the sub the builders felt needed that kind of thickness.  Was it just 
where the two halves met at the flange, or was there some area of the 
sub that required 4 inches of material?  The web page isn't specific 
enough and in my opinion is too general in content to be a reliable 
resource for determining the capabilities of that particular sub.  You 
are definitely on the right track by planning to use an engineer well 
versed in FRP materials and capabilities to provide you guidance.

Jon


Alan James wrote:
> The fibreglass sub I posted a referance to recently was 2 inches thick.




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