Re: [PSUBS-MAILIST] concept query

["Marsee Skidmore" <heyred@email.msn.com>]

We need the capacity to draw pictures. I understood Dan's proposal to be
similar in concept to ring stiffening. Not as elegant as a monohull, but
maybe easier to fab for the backyard builder? Maybe allowing the combination
of otherwise incompatible hull materials? - Joe

----- Original Message -----
From: Phil Nuytten <72020.572@compuserve.com>
To: <personal_submersibles@psubs.org>
Sent: Thursday, January 27, 2000 9:32 PM
Subject: [PSUBS-MAILIST] concept query


> Hi, Dan:
>         Gee, didnt we go thru' this some months ago?? Arrrrgh . .if the
> hulls were arranged so that, at some point, no differential pressure
> existed in the final sphere, then the thickness that a monohull would have
> to be to achieve that same state would be the same or less than the
> combined hulls for a given inside final volume. period. Walk thru the
> numbers . . you will see it is so. . .Remember that, until the outer hull
> actually begins to move and transmits that movement to the fluid
> surrounding the second hull - the second hull doesnt even know it's there!
> Phil Nuytten
>