Re: [PSUBS-MAILIST] Under water lighting: Q for Ron Leonard

["Captain Nemo" <vulcania@hawaii.rr.com>]

Thanks Ron.  As I'd hoped, your input will be valuable to those building
ambient subs.

VBR,

Pat


----- Original Message -----
From: "ronleonard" <ronleonard@shaw.ca>
To: <personal_submersibles@psubs.org>
Sent: Friday, May 17, 2002 9:09 AM
Subject: RE: [PSUBS-MAILIST] Under water lighting: Q for Ron Leonard


> Hi Pat, nice to have you back on the group.
> A SportSub hull is 60" tall. The hull was not designed to be used as a
> totally dry sub, so there is a lot of wasted space that will have air in
> it that will need to be sunk, so yes that makes for a heavy sub. The
> fiberglass was also not done to support the lift on the roof or the pull
> on the floor from this increased weight. There is a very real
> possibility that the roof may tear off, or the bottom may tear away. I
> have suggested to Greg that he physically attach from under the floor to
> over the roof with external bars. It will be ugly, but should work if
> done correctly.
>
> There are plenty of hatches that can seal that kind of pressure. Should
> be no problem with a good hatch. Our R&D sub has had a top hatch for
> about 2 years now with no leaks.
>
> Ron