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Fireclay question...

So looking over my rather long E-Bay watch list and this is one of the things I have on it:

http://ds5.org/3667

It's a premixed fire clay good to 2500 degrees. What I was thinking about using it for was to create a proper height and sealed dome for my existing enameling "hot plate" style kiln that would allow me the height to do bangles and bracelets.

The idea is to use the existing metal dome, cover it in the fire clay, and continue down with the clay so it lifts the metal dome up about 2 - 4 more inches from the top of the heating element. I'd also embed a hook or bale or something into the top of the dome to allow me to remove it easily. Probably have to use either stainless wire or uncoated copper or something for that. (A bit concerned about heat transfer to the hook as I want to retain as much heat as possible inside.

This design would also allow me to add a pyrometer to the setup and not affect the work inside as much. Still need to get a pyrometer btw. A couple more weeks at least before I can think about spending for that.

Off to work...

Cross-posted from Dreamwidth ( http://nimitzbrood.dreamwidth.org/252600.html ) but feel free to comment here as well.




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( 5 comments — Leave a comment )
mashblock
Jan. 2nd, 2012 12:21 am (UTC)
Wait a bit...
By all means buy/build a pyrometer, but wait on shipping 10lb bags of wet clay from who knows where... I really doubt if that stuff will do what you want anyway.

I need to re-clay a small forge pan this winter, and will likely end up with more than I need.
nimitzbrood
Jan. 2nd, 2012 04:04 pm (UTC)
Re: Wait a bit...
Indeed. Other things come first. Like my mailbox which was apparently rotting at the base and the wind finished it off yesterday. Found it face-first out in the street like a drunken party-goer. LOL!

And it was definitely the wind. If somebody had hit it then it would have been in the yard not the street.
mashblock
Jan. 2nd, 2012 07:19 pm (UTC)
Re: Wait a bit...
Yep, had my share of mailbox fun week before last - my father got hit by a car while crossing the road; I had to go move it to his side.

I used to live on a four-lane road - the IDiOT snowplow drivers wrecked my mailbox about four times a year.
nimitzbrood
Jan. 2nd, 2012 07:52 pm (UTC)
Re: Wait a bit...
Years ago my grandmother used to have the plow problem. My uncles solved it quite definitively.

1 - long 4" steel pipe.
1 - bag of cement.

Pound the pipe into the ground so only half its length is sticking up. Fill with cement.

Later...

1 - large plow with a notch out of it. ^_^

As for me a 30" steel speed-post specifically designed for 4x4s costs $25 after tax and holds up the trimmed mailbox post just fine. Had to hammer it into the ground but that was no big deal.
mashblock
Jan. 2nd, 2012 09:18 pm (UTC)
Re: Wait a bit...
I had a neighbor whose mailbox post consisted of a couple lengths of 2" pipe welded to plates with a piece of automotive coil spring in between... Always wanted to copy it, but moved instead.

My all-time favorite was(maybe still is?) at Aldridge Electric over on Rt 12: the top section of a wooden utility pole, complete with cross-arms and pig.
( 5 comments — Leave a comment )

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