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Re: [PSUBS-MAILIST] Thanks to all and another question



Hi Paul
I am also building a K350 I agree with Frank when I started I could weld but not the kind of welding demanded by the construction of a pressure vessel I had a mig machine but it was not strong enough so with the advice of the psubs group I went the stick route I obtained an old 400amp machine and only use E7018 and 316L  4mm rods for the fine work I use Tig I also purchased Welding Secrets Revealed CD-ROM through one of the members sites it helped stacks
In the beginning I used the grinder allot grinding out bad welds but now I would not let anyone regardless of there qualifications weld any part of my sub not only that but I purchased a lathe and have learnt so much and love every moment of manufacturing the different componenants
I found building my sub has taught me discipline and that's the key I believe to the whole process.
All the best
Glen South Africa
----- Original Message -----
Sent: Wednesday, January 06, 2010 7:50 AM
Subject: Re: [PSUBS-MAILIST] Thanks to all and another question

Hi Paul. I'm an old welder and I would recommend you learn to stick weld first.
Although MIG welding is used much more than stick in pretty much all industries now, the basics of welding are better learned through stick welding.
An advantage to stick machines are that a simple TIG set-up can be added for a very small additional cost.
On my pressure hull, I ran TIG root passes, stick welded the joints, and then finished with TIG cover passes.
The welds are strong and I'm confident in the quality.
Once you learn how to "control the puddle" with stick welding, learning to TIG is a breeze, and a TIG can be used to weld almost anything.
It's a slower process, but it has some clear advantages over all other types of welding.
It's not too tough to learn the basics of stick welding, and lots of practice at home will give you the confidence to tackle all kinds of welding tasks.
Take a basic course at the local college, and in a few weeks you'll feel comfortable with your new skills.
MIG is a great process but has some limitations that only years of experience and "learned tricks" can over come.
Frank D. 



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