RE: [PSUBS-MAILIST] Hatch question..

["Smyth, Alec" <Alec.Smyth@compuware.com>]

Actually I just thought about what I emailed and of course you would
machine it after welding with either the clamped or un-clamped approach.
I hope that didn't mislead anyone.

Alec 


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From: owner-personal_submersibles@psubs.org
[mailto:owner-personal_submersibles@psubs.org] On Behalf Of James
Frankland
Sent: Wednesday, November 28, 2007 8:55 AM
To: personal_submersibles@psubs.org
Subject: [PSUBS-MAILIST] Hatch question..

Hi All.

Seems a bit quiet on the message board these days, so ive got a question
to ask everyone.!

Im building my hatch at the moment.  I was really worried about causing
distortion so had to make a flatbed to hold it down for welding.  I have
nearly finished welding the hatch ring to the dish.  Just one last run
to go.  But, I'm worried about the weld on the inside that i have to do
next.  I know Alec had some problems with his and i am anxious to avoid
the same issues.  

I've got no idea how i could cramp the hatch down upside down to hold it
flat.  If i just weld it now as it is, do you think it will distort?  Do
i need to make something to cramp it flat?

Its all gone really well so far so i don't want to mess it up.

you can see how it went here.
http://www.guernseysubmarine.com/index_files/Page6935.htm

Many thanks
James



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