Re: [PSUBS-MAILIST] Cliff's R300

I did have some very slight warpage but not enough to compromise the integrity of the seal. If I had to do it again, I would put a short cylindrical section of sail just below the lower hatch and weld this to my lower hatch. I would then do final machining on this welded assembly prior to welding this assembly to the top of the sail to totally eliminate warpage issue.

I will send you a set of drawings of my sail/hatch off-list.

Cliff

From: Brian Cox <ojaivalleybeefarm@dslextreme.com>
To: personal_submersibles@psubs.org
Sent: Sat, March 13, 2010 8:30:52 AM
Subject: RE: [PSUBS-MAILIST] Cliff's R300

Hmmm, interesting, this whole time I've been working on the assumption that I need a piece inbetween there because of warpage. Maybe it's just a matter of how good the welder is. What is your collar dimensions? around collar 3/4" thick and around 26" in diameter?

Brian

-----Original Message-----
From: owner-personal_submersibles@psubs.org [mailto:owner-personal_submersibles@psubs.org]On Behalf Of Cliff Redus
Sent: Friday, March 12, 2010 7:29 PM
To: personal_submersibles@psubs.org
Subject: Re: [PSUBS-MAILIST] Cliff's R300

I had a very experienced professional welder. He used tig and we braced the heck out of the sail and went very slowly.

Cliff

From: Brian Cox <ojaivalleybeefarm@dslextreme.com>
To: "Personal_Submersibles@Psubs. Org" <personal_submersibles@psubs.org>
Sent: Fri, March 12, 2010 8:53:04 PM
Subject: [PSUBS-MAILIST] Cliff's R300

Hey Cliff, How did you weld on your hatch ring without having it warp? I
don't see any spacing between the hatch ring and the collar.

brian

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