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Post by invention1 on Nov 7, 2018 5:26:28 GMT -8
What can folks tell me, or link to about using glass in rocket stoves?
I know it needs to be special glass - borosilicate or pyrex. I know it is kinda pricey, unless you use the hack of installing a pyrex baking dish lid. If installed in a metal frame, does it need room for expansion? Does it soot up? Don't some stoves move some air across it to keep it clean?
I might put one in the door, but it would be really cool to see right into the riser, no?
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Post by invention1 on Nov 7, 2018 5:31:57 GMT -8
P.S. "Edjumacate" is a self-deprecating humorous rural Missouri slang term that is meant to indicate the speaker has, in fact, no education at all. It is always used in a humorous context, and would not be part of any native speaker's regular vocabulary, however all of them would understand it.
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Post by invention1 on Nov 7, 2018 5:52:31 GMT -8
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Post by wiscojames on Nov 7, 2018 5:54:46 GMT -8
I think pyrex is a "maybe", if temperatures are low enough. shattering has been reported. "Schott" or "Schott Robax" are more reliably used. Some say it's possible to cut a piece from a glass stovetop. I acquired a few small woodstove replacement windows long ago for a decent price, but haven't been able to find them again.
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Post by satamax on Nov 7, 2018 8:46:32 GMT -8
Ans the other brand, is neoceram.
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Post by drooster on Nov 7, 2018 9:54:36 GMT -8
Peter has used boroglassthingy on the top of the doubleshoebox and reported no problems,
and as that part IS the 'riser' of that setup then it looks like it is doable in theory.
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Post by martyn on Nov 7, 2018 10:12:40 GMT -8
I have been useing neoceram glass over my fire box and my heat riser, the piece over the firebox works extreamly well, stays clean too.
The pieces I have tried over the heat riser also work but only seem to last a few hours before it turns opaque.
However it is still possible to see what’s going on, just not so clearly, another thing that can happen is black deposits appear and they don’t wash off without some sort of wire scrubber.
Luckily I have found a source of free off cuts so I have been able to replace the heat riser glass several times.
I do really enjoy looking down the riser though.......
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Post by peterberg on Nov 7, 2018 10:27:11 GMT -8
Peter has used boroglassthingy on the top of the doubleshoebox and reported no problems, and as that part IS the 'riser' of that setup then it looks like it is doable in theory. No, the top wasn't borosilicate glas but Neoceram instead. Together with Robax there's no other choice. |
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Post by drooster on Nov 8, 2018 9:17:38 GMT -8
Peter is Neoceram or Robax available from any modern discarded old appliances?
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Post by josephcrawley on Nov 8, 2018 9:42:25 GMT -8
The red glass tops from newer electric ranges is made from this glass. I have cut it with a diamond wheel but it always cracks on me at the end of the cut and since it has round corners takes at least 3 cuts to get a rectangle or square but it sure looks cool and the scrap yard charges pennies for it.
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Post by satamax on Nov 8, 2018 22:49:25 GMT -8
Drooster, any box stove, or closed fireplace insert has the right glass.
Joseph, i have had good results, clamping the glass between two battens.
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Post by josephcrawley on Nov 9, 2018 5:23:48 GMT -8
Joseph, i have had good results, clamping the glass between two battens. Could you describe this in more detail? Thanks |
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Post by satamax on Nov 9, 2018 13:04:38 GMT -8
Well, i used two softwood battens, screwed each side of the glass, so they were tight against the glass, and used this as a straightedge. It's good if they have a little bow, so they close in the center of the glass before than at the ends. And used another batten each side to hold the glass at the right height, and so the offcut doesn't fall, wrecking the last half inch remaining of the glass.
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Post by invention1 on Nov 16, 2018 7:34:06 GMT -8
Here's an outfit on Ebay that can custom cut small pieces of pyroceram quite cheaply
[Edit} I sent them a message on Ebay and they agreed to cut four 2"X2" pieces of pyroceram and ship them for $13.50. Pretty good deal, I can make two windows with two spares if I want.
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Post by invention1 on Nov 17, 2018 11:03:52 GMT -8
Any tips on installation?
Do I cut a hole in a steel door, put in the glass with some woodstove gasket, and trap it in place with some steel edges? Is that all there is to this?
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