Re: [PSUBS-MAILIST] Mini book review.

[Coalbunny <coalbunny@onewest.net>]

I thought about building a scale model of a sub and lowering it (under
it's own power) into a deep lake, and then removing it when it crushed. 
Have to think more about that, has been a few years.
Carl


Ian Roxborough wrote:
> 
> On Mon, 8 Apr 2002 18:07:22 EDT
> AndrePevestorf@aol.com wrote:
> > Did I understand it right you plan to bring up the analytical equations from
> > the books formulars into a user friendly PC program ? Nice idea !! Respect.
> > (prevents me from all this ugly math ... :-)) )
> 
> Yeah, pretty much.
> 
> > So later we can compare the results from the analytical solutions with the
> > numerical FEM results...
> >
> > But what should we do if there is a difference ???
> 
> I'd be suprised if they where the same.
> The book does compare a couple of different
> (analytical, I think) solutions.
> 
> > Never the less we need indeed some experimental values ...
> 
> I agree.  Especially for the more experimental materials
> like GRP and concrete
> 
> > Do you believe there may be a voluntary PSUBer who allows us to sink his sub
> > up to the crush deep ...  ("He man ... itīs for a good purpose..you helps to
> > prevent from loss of a lot of tears and loosen money..")
> 
> I've been wanting to destructively test something for a while now...
> I would hope nobody has to give up a working submarine.
> Maybe if several people interested in getting some hard data
> could get together and build some dummy hulls just for
> destructive test purposes, we'd just need some deep water
> and a couple of boats (or we could a pressure test chamber).
> 
> There are so diagrams of using a kind of home made
> pressure test chamber in the pressure-vessel book.
> 
> I'm becoming more interested by the idea of using concrete to build
> a larger (10 man?) psub (if you can deal with all the problems
> of concrete).
> 
>  Ian.

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