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55 1,678 sweet pdz/NaOH experiment about to happen, suggestions?
by Karl playing with geopolymers
Dec 6, 2019 6:52:17 GMT -8

Materials, Casting, Refractories, Etc

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newBookmarkLockedFalling dear donkey, master of cob
talltuk 11 3,097 by martinm
Oct 30, 2019 1:21:25 GMT -8
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newBookmarkLockedFalling Testing your soils for clay
Donkey 11 5,123 by Orange
Nov 26, 2017 10:39:23 GMT -8
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newBookmarkLockedFalling Mortar Mix
mannytheseacow 4 222 by mannytheseacow
Oct 6, 2019 18:51:02 GMT -8
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newBookmarkLockedFalling Anyone need some subsoil for COB - northern utah
gadget 0 158 by gadget
Jul 5, 2019 21:11:28 GMT -8
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newBookmarkLockedFalling Stackable heat riser.
dirtdevil 12 538 by matthewwalker
Jun 28, 2019 5:42:35 GMT -8
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newBookmarkLockedFalling Rammed earth bell
dryland 5 384 by dryland
Jun 18, 2019 18:40:32 GMT -8
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newBookmarkLockedFalling Home made rigidizer for ceramic fiber - looking for recipe
gadget 4 436 by gadget
Jun 13, 2019 20:13:04 GMT -8
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newBookmarkLockedFalling Ceramic fiber blanket - safe to eat?
wiscojames 9 437 by Orange
May 30, 2019 20:51:21 GMT -8
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newBookmarkLockedFalling Best kind of mixing paddle for refractory cement?
ronyon 4 321 by keithturtle
May 9, 2019 21:46:30 GMT -8
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newBookmarkLockedFalling Can I use chunks of scrap metal as part of my mass?
sidfishus 4 331 by coastalrocketeer
Apr 18, 2019 19:12:53 GMT -8
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newBookmarkLockedFalling Cement for building brick bell?
martyn 7 963 by BenAlexanderT
Apr 10, 2019 12:50:14 GMT -8
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newBookmarkLockedFalling Clay pipes works. Superb!
satamax 5 724 by Vortex
Jan 29, 2019 14:45:16 GMT -8
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newBookmarkLockedFalling Ceramic Fiber Build Discussion
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matthewwalker 58 7,703 by johnjorgensen
Jan 26, 2019 10:28:13 GMT -8
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newBookmarkLockedFalling Low cost glass option??
vesuvius 2 437 by Vortex
Jan 5, 2019 2:05:46 GMT -8
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newBookmarkLockedFalling Refractory cement and concrete
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kkp 44 3,383 by coastalrocketeer
Nov 7, 2018 10:47:17 GMT -8
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newBookmarkLockedFalling Bell bricks?
satamax 6 1,817 by etownandrew
Nov 5, 2018 16:27:08 GMT -8
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newBookmarkLockedFalling Building over a gap
dryland 5 534 by dryland
Oct 28, 2018 5:48:54 GMT -8
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newBookmarkLockedFalling article about fine particle filter
patamos 1 324 by matthewwalker
Oct 23, 2018 12:34:29 GMT -8
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newBookmarkLockedFalling Chimney caps
morticcio 11 1,740 by Dan (Upstate NY, USA)
Sept 2, 2018 15:41:23 GMT -8
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newBookmarkLockedFalling used refractory bricks
fuegos 3 535 by belgiangulch
Aug 31, 2018 4:18:40 GMT -8

Shoutbox

kkp: Mercedes: Benches don't get real hot. In fact, they are rather cool compared to other areas. You shouldn't need a mix like you described Jun 7, 2018 18:10:52 GMT -8
maartenmartens: beste Peter, ik heb je eergisteren een mail gestuurd via het contact formulier op je website , heb je die goed ontvangen ? mvg Maarten Martens, architect - geobioloog (mail betreffende de bouw van onze eigen RMH) Jun 20, 2018 13:21:57 GMT -8
martinm: any one here with info \ experience with heat (from a mass heater) distribution with ducts throughout two storey house ? Sept 8, 2018 22:58:52 GMT -8
padica: Good morning, this is a wonderful subject, please someone can help me with the theme of double and triple combustion, how it is achieved, theory and design, thank you Sept 15, 2018 7:13:40 GMT -8
wiscojames: I'm afraid you won't get a response to such a vague question - I suggest reading through some of the threads related to your questions before asking for an explanation. People will be very generous with their knowledge if your question is more specific. Sept 18, 2018 4:48:00 GMT -8
drjmf: How do i make this more powerful and efficient ? Need more BTUs up the chimney to heat a 100 litre water jacket around the black flue pipe........ www.youtube.com/watch?v=SKcUXeHose0&feature=youtu.be Oct 2, 2018 3:50:52 GMT -8
daniel: in my experience as I am working now on something of that nature, I have thought of making a heat exchanger and distributing the heat through vents using a slower fan. Now after a few years I realize that mass heaters give out primarily radiant heat, for Nov 30, 2018 12:48:38 GMT -8
coastalrocketeer: Anyone posting in this shout box... if you have something you want people to see and respond to, create a thread in the appropriate forum section... this is not the place... Dec 16, 2018 18:10:49 GMT -8
vesuvius: High Temperature Glass options, Jan 4, 2019 16:28:17 GMT -8
vesuvius: Do any of you have experience with using the glass from home oven doors on a rocket stove? I'd like to have a viewing port on my stove but don't want to fork out for new ceramic glass. Any thought as to whether it would take the heat of a rocket stove? Jan 4, 2019 16:30:40 GMT -8
yaya: you dont need the blowair for that temp.. Jan 13, 2019 16:43:57 GMT -8
flybywire: Glass window from an old washing machine is designed to take high temps. Cheap solution to your need. :) Jan 27, 2019 0:10:58 GMT -8 *
coastalrocketeer: Anyone posting in this shout box... if you have something you want people to see and respond to, create a thread in the appropriate forum section... this is not the place to have a discussion... it is for short announcements Feb 7, 2019 0:11:23 GMT -8
coastalrocketeer: you won’t likely get replies to questions here, and it is not a spot that makes holding an ongoing discussion possible... Feb 7, 2019 0:12:22 GMT -8
hof: 1 horizontal Feb 19, 2019 12:01:48 GMT -8
TexasGonzo: Sooooo glad I found this site! Its always rewarding to find such a super group of folks! To any and all, feel free to PM me anytime. Thanks for having me! Mar 11, 2019 18:56:41 GMT -8
jlmtech: GADGET: CONSIDER USING A JET PUMP INSTEAD OF A BLOWER FAN TO INDUCE DRAFT; NO CLOGGING. Mar 26, 2019 8:19:28 GMT -8
michaelegan: i am unable to open the sketchup files on my mac. I used sketchup a few years back but apparently the company now requires a subscription. does anyone have any advice/instructions on how to use the program or how to view pictures without spending money? Aug 20, 2019 18:41:48 GMT -8
mannytheseacow: michaelegan: download AutoCAD student version for free... import .SKP Aug 23, 2019 13:33:44 GMT -8
topbaza: hi everyone, been searching all over net and this is were i need to be i think!! :) Sept 28, 2019 6:16:25 GMT -8