RE: To anyone designing or building a sub

["Gabriel De Vit" <gdevit@net-sat.com.ar>]

-----Mensaje original-----
De: Ben Trumble <trumble@well.com>
Para: personal_submersibles@psubs.org <personal_submersibles@psubs.org>
Fecha: Sábado 17 de Octubre de 1998 11:56 PM
Asunto: Re: To anyone designing or building a sub


>I'd be very curious as to what operational depth was intended to be on the
>hull that imploded?  2000ft is pretty bleeping deep for any boat that
>doesn't come out of a commercial shop.  Although my building experience has
>been with semi-dry boats, rather than 1 atmosphere subs, I have given some
>thought to building a dry sub in the near future, and it would never occurr
>to me to test the hull at any depth greater than 66% of the projected crush
>for the simple reason that I see the maximum operational depth as 33% of
>the crush.  My own rule of thumb for semi-dry boats, and I think it should
>apply to homebuild dry subs as well is, don't venture into water deeper
>that you can bottom within your safety range.  If my projected crush was
>400 fathoms, I'd probably weight the hull and test to 1500 feet -- but I'd
>never take a man boat into water deeper than 800'.  I too would interested
>to know more about hull?  Particularly it's length, diameter, viewports,
>and support structure.  Was the hull recovered?  They'd didn't just attach
>the cable to the con, did they?
>
>Ben
>
>"I never met a rattlesnake I didn't like."
>
>
>
What is exactly a semi-dry boat?

Atentamente.
Gabriel Calós
DUCASSE 948 (5000) CORDOBA
TE-FX 54-51-722677
ARGENTINA
EMAIL gdevit@net-sat.com.ar