Deleted
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Post by Deleted on May 11, 2016 5:09:41 GMT -8
What is the weight of one ?
For 6" diameter with 1" wall and 24" height the volume is about 8.6 liter. To achive insulation values of 0.12- 0.16 W/(m·K) at about 800°C the density should be 250-450 g/liter, which gives about 2.2 - 3.9Kg.
Soft blankets can achive similar values at significantly lower densities.
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Post by briank on May 12, 2016 7:15:58 GMT -8
This is a stand alone riser. I thought about the blankets and ceramic wool etc. but wanted a cheap no mess finished product. These seem to fit the bill.
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Post by Deleted on May 13, 2016 2:14:23 GMT -8
You did not answer my question.
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Post by briank on May 14, 2016 17:18:55 GMT -8
You did not answer my question. My apologies. They are about 7.2 lbs per unit. (3.3kg)
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Post by pianomark on May 17, 2016 16:17:46 GMT -8
Brian,
I received my two riser sections today, they look great! They are slightly heavier than I imagined, and much sturdier. I look forward to testing them out soon in an outdoor trial.
Sorry to hear of your medical problems. Thanks for seeing this project through.
What became of the ceramic fiber batch box liner? I would certainly understand if you have chosen not to pursue that idea. But I think it could be a very good idea, combining the best insulation with the best abrasion resistance. Now that I'm seen and held this material, I believe it would be strong enough to support firebrick splits and firewood. Although I don't know yet how it behaves through repeated heat cycles.
Thanks again,
Mark
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Post by briank on May 17, 2016 17:08:16 GMT -8
What became of the ceramic fiber batch box liner? I would certainly understand if you have chosen not to pursue that idea. But I think it could be a very good idea, combining the best insulation with the best abrasion resistance. Now that I'm seen and held this material, I believe it would be strong enough to support firebrick splits and firewood. Although I don't know yet how it behaves through repeated heat cycles. Thanks again, Mark Frankly, I found out they charge $1000 per form for each half of the vacuum formed ceramic fiber batch box shapes. So it's been put on the back burner. But I also think it has tremendous potential. I'm glad you liked these risers, and thanks for your kind words. Now that we know how sturdy yet cheap they are, anybody can put together a group buy. The shipping ended up costing more than the risers in many cases.
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Post by briank on Jul 8, 2016 17:02:48 GMT -8
I have a couple of these left over from people deciding not to go this route, so please let me know if anyone is still interested.
And if you received one or two and have any reports positive or negative, please share here. (I'm still recovering from some health trouble so I've been unable to do anything with mine yet.)
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Post by pinhead on Jul 14, 2016 6:40:27 GMT -8
What size do you have left over? How much would a pair of them cost shipped to 67665?
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Post by keithturtle on Jul 15, 2016 22:34:17 GMT -8
(I'm still recovering from some health trouble so I've been unable to do anything with mine yet.) Yeah Brian I feel your pain in a new way. Just had 5-bypass surgery the end of June, so it'll be a while till I get back to the shop. Good news is a few months off work should allow me to get something built, with some help. Don't wanna mess up them chest bones healing
Turtle
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Post by briank on Oct 17, 2016 20:33:43 GMT -8
What size do you have left over? How much would a pair of them cost shipped to 67665? Hi pinhead. My apologies, continued health issues and a move forced me to put all the rocket stove considerations on indefinite hold. When I'm able to get back to it, hopefully in another couple months, I'll check back with you to see if you're still interested.
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Post by jliebler on Dec 26, 2016 6:55:46 GMT -8
Thank You Biank for finding a source for formed risers & I sure hope you are recovering well. I have made an initial contact as I'm looking for an 8" riser. I asked for 8" ID, 11 " OD 30" length. I chose those dimensions so 2 sections will make a riser for an 8" batch box and allow me to route the ends for a ship-lap joint. Some machining is required to make the port any way so a little more to make a ship-lap joint seems worth while. I asked for 11 " OD primarily to make the port walls a bit stronger but could, no doubt, use 10". I'll post when I get a reply.
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Post by briank on Jan 4, 2017 16:22:57 GMT -8
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kkp
Junior Member
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Post by kkp on Apr 6, 2018 17:01:22 GMT -8
I have a couple of these left over from people deciding not to go this route, so please let me know if anyone is still interested. And if you received one or two and have any reports positive or negative, please share here. (I'm still recovering from some health trouble so I've been unable to do anything with mine yet.) Stil have any left over? Alternatively, I just emailed Temtek Solutions for a quote.
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Post by briank on Apr 13, 2018 10:05:47 GMT -8
I have a couple of these left over from people deciding not to go this route, so please let me know if anyone is still interested. And if you received one or two and have any reports positive or negative, please share here. (I'm still recovering from some health trouble so I've been unable to do anything with mine yet.) Stil have any left over? Alternatively, I just emailed Temtek Solutions for a quote. Sorry, that was from two years ago, and I’m not sure if I have any left. I’m staying 2 hours from home during the week right now so I’ll have to check this weekend. Temtek went out of business. They were bought out by RefSource though they’ve kept TemTeks web address: www.temteksolutions.com/index.html
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Post by keithturtle on Apr 13, 2018 18:48:01 GMT -8
kkp, I still have both of mine, unused. If interested I can sell them, ship to USA
Been doing the steel can / propane tank stuff of late
Let me know
Turtle
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