Are you saying diatomaceous earth can be used as a shield for Tig
welding if so that could be good news to me as I am doing most of my joints now
with Tig and have to usually do quite a bit of grinding on the air side ceramic
masking tape is impossible to get in my area.
----- Original Message -----
Sent: Sunday, August 16, 2009 10:31
PM
Subject: Re: [PSUBS-MAILIST] Coupling
Thru Hulls
That large SS tank is for some sort of cutting slurry storage for
a large drilling operation of some kind. We are waiting for the thru hull
specs from them so I can finish the CAD work on it, to have them final proof
the tank design. It would make a very nice hyperbaric chamber
though.
He's not into ROV's currently, he's really into photography, so
perhaps I can suck him into it that way. ;} (Insert evil laugh
here) He's been thinking of designs for a pontoon boat that carries a
car and/or truck for some time now, so it looks like we might be working
together on my floating sub trailer, that once the sub is off loaded can then
carry the tow vehicle. How crazy it that. We both suffer from what we
call hyper brain syndrome, so it should all work out or sink to the bottom of
lake Pend Oreille.
I used to use diatomaceous earth for filter polishing aquarium
water. That's why I still had some to try out. If it's a lubricant for
drilling, then perhaps it's perfect for are application. I knew some one would
have more data. Don't for get it can be made into a past with water and
used in place of backing gas shielding a weld zone.
B
Sent: Sunday, August 16, 2009 8:56 AM
Subject: Re: [PSUBS-MAILIST] Coupling Thru Hulls
Hi Brent. Good to have a friend like that. Is that a storage tank or a
hyperbaric chamber?
Interesting that he builds his own robots. Does he have any interest in
ROV's ?
Sounds like a good guy to know. Frank D.
Oh ya, Thanks for the thread-o-let links.
The moly grease is good stuff, and I've heard about using the
diatomaceous earth. It's useful for a lot of things. I remember hearing it's
good to eat too. (yuck) It's used in well drilling too, as a lubricant for the
drill head and also to suspend rock chips and expand in the hole to hold back
the sides when the drill head is pulled up and pipe casing is inserted. Pretty
useful stuff. Frank D.
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