Fusor V Chamber

For posts specifically relating to fusor design, construction, and operation.
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Richard Hull
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Fusor V Chamber

Post by Richard Hull » Wed Jul 28, 2010 8:06 pm

I have already purchased wonderful 10 inch sphere halves and mating 12" conflat flanges about 7 years ago to make Fusor V. Sheer indolence and lack of verve has held me back from completing the effort.

Fortunately, or unfortunately, depending on one's slant and pocket book, I have just bought and paid for an "Uber Chamber" from a Semi-Fab that never went to work.
The price was such that I could not resist. God help me in my quest for the needed blank offs at a rate I can live with.

I know I could never have afforded this puppy on special order.

The photos tell it all. This baby comes with two view ports, nude ion gauge and a thermocouple gauge plus other goodies, all vacuum tested on a 14" hemisphere. As shown, 167lbs of 304SS. I will pick it up soon, (not literally of course, without help)

I figure, by my bizarre, retrograde logic, that with retirement looming, it might be nice to have the "last" plus ultra vacuum chamber that won't say "no" to easy modifications in future, (not just for fusor use either).

How do It paint myself into these corners......Mein Gott!

Richard Hull
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Chamber1.jpg
Progress may have been a good thing once, but it just went on too long. - Yogi Berra
Fusion is the energy of the future....and it always will be
Retired now...Doing only what I want and not what I should...every day is a saturday.

Richard Hester
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Re: Fusor V Chamber

Post by Richard Hester » Wed Jul 28, 2010 9:13 pm

Now you've done it...

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Re: Fusor V Chamber

Post by John Futter » Wed Jul 28, 2010 9:36 pm

Droooooooool!!!!!

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Re: Fusor V Chamber

Post by DaveC » Wed Jul 28, 2010 9:44 pm

Richard -

Your sense of place and time were exquisite. Verrrry nice buy.


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Re: Fusor V Chamber

Post by dbrown » Wed Jul 28, 2010 10:47 pm

WoW! That is a nice chamber - that should be a lot of fun getting into operation - good luck and enjoy the fun!

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Mike Beauford
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Re: Fusor V Chamber

Post by Mike Beauford » Thu Jul 29, 2010 4:14 am

Holy crap that's nice! That's easily +$10K chamber. Once again I bow to the scrounge master!!!
Mike Beauford

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Doug Coulter
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Re: Fusor V Chamber

Post by Doug Coulter » Thu Jul 29, 2010 4:26 am

Richard -- simply wow!

Boy are you ever going to have fun with this! I did a similar thing on one Bill found,
and it's been a real blessing -- easy to try whatever comes into your mind, and quick.

Yes, the blank-offs hurt, and in the case of the one I got, the instruments were trashed,
and it leaked almost everywhere, so I make Lesker a bit better off on gaskets, but we
found most of the rest we needed at very nice prices. all things considered. Looks like
you'll have less struggle with leaks than I did with the old E-microscope I got that got baked
to the point of blueing the stainless steel, and was left open in a dirty warehouse for months.

To really get the most out of something like this I think you want a door that opens
easy and free of having to buy a gasket per opening. I did, anyway, and I accept the
viton seal increasing my base pressure a little, it's so worth it 'taint funny. These bottles
are hard enough to build ships into even with that.

Can't wait to see what you'll do with this guy -- I think that after the angst you're
going to be on cloud 9 a lot. Hard to imagine something better even if special-ordered
and designed for best and easiest fusor research that can be done.

Heck, I've been using one of the sidearms in mine and am just now graduating to using
more of the main tank....for things other than vac deposition and ion source testing.

I'd have to say what you have here is THE definitive good system tank to do all
this fun stuff.

Even I am drooling.
Why guess when you can know? Measure!

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Re: Fusor V Chamber

Post by Starfire » Thu Jul 29, 2010 10:57 am

Wow - if 5 doesn't work it will make a great pizza oven

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Re: Fusor V Chamber

Post by benbartlett » Thu Jul 29, 2010 6:45 pm

Good god! I don't even want to imagine stopping that thing from outgassing.

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Richard Hull
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Re: Fusor V Chamber

Post by Richard Hull » Thu Jul 29, 2010 7:06 pm

Out gassing will be a major issue and that is why one really doesn't want to be opening and closing this kind of thing regularly. As with most things in life, that which is given by one hand is often taken away by another.

I will be upgrading my mechanical pump from a Precision D150 to my large Welch 1397 which has been collecting dust for 6 years.

I have lots of ideas, we will see what action results.

Richard Hull
Progress may have been a good thing once, but it just went on too long. - Yogi Berra
Fusion is the energy of the future....and it always will be
Retired now...Doing only what I want and not what I should...every day is a saturday.

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