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Post by Orange on Oct 25, 2017 4:06:34 GMT -8
looks good, would be interesting to see temperatures.
from the sketcup it looks like 150mm system as one side of riser is flat. And I guess you close the bottom air intake when burning?
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Post by Orange on Oct 25, 2017 3:50:38 GMT -8
Brian, how's your stove doing with bypass closed?
I'd rather use a gas torch briefly than to have leaky bypass.
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Post by Orange on Oct 25, 2017 3:16:06 GMT -8
damn, every time I start a project and order materials you guys come up with a better design
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scandal
Oct 25, 2017 3:12:31 GMT -8
Post by Orange on Oct 25, 2017 3:12:31 GMT -8
I'd like a shorter riser so i can cook.
My concern is will the short riser 4-8B have enough power and velocity to push the gasses trough a massive bench (without bypass)...
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Post by Orange on Oct 17, 2017 12:40:06 GMT -8
haha great!
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Post by Orange on Oct 17, 2017 0:30:42 GMT -8
yes, a Kang bed or Russian oven. the only possible problem I see with rockets is too much radiation so it's hard to fall asleep
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Post by Orange on Oct 14, 2017 12:30:07 GMT -8
I am absolutely amazed at how well the ceramic-fiber insulates the riser; draft takes off instantly and the 8-inch pipe gets appreciably hot but not nearly as much as I had assumed with only one inch of insulation. can you estimate the temperature of the metal pipe behind ceramic fiber?
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Post by Orange on Oct 14, 2017 11:42:29 GMT -8
there was a video on YT "A very hot little stove 938 °C (1720.4 °F)" by Apostol: so if this small uninsulated rocket can reach 938C, than any insulated rocket goes easily over 1000C. I'd like to see more evidence
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Post by Orange on Oct 13, 2017 12:45:17 GMT -8
Klemen, how's the box working - things like exit temperature, bell and bench temperatures, oven temperature, hours needed to warm up and cool down...?
PS I've located suppliers of insulation firebrick and ceramic boards in the area, I can send you the details if you plan to build more.
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Post by Orange on Oct 13, 2017 8:15:22 GMT -8
hey Matt, this is a low-post frequency forum so any on topic info is useful. I said it might be wool although I never had problem with wool or cement or any other chemical. I'm going to use only clay+sand 1:2 for my ceramic board box.
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Post by Orange on Oct 13, 2017 7:59:29 GMT -8
I'm curious what is the temperature of ceramic board/wool that is 1 inch or less thick? I mean the temperature on the outside of ceramic firebox and riser. Does it make sense to add more insulation (rockwool, ytong, perlite..)?
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Post by Orange on Oct 13, 2017 7:58:57 GMT -8
it's easier and probably cheaper to go with the stuff you can find like solid rocks, iron, aluminum block, water, firebrick, concrete etc.
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Post by Orange on Oct 13, 2017 7:52:20 GMT -8
looks nice
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Post by Orange on Oct 10, 2017 7:37:59 GMT -8
well of course, perfect for jumbo pizza
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Post by Orange on Oct 10, 2017 6:41:25 GMT -8
The magnetite one slightly sticks to the magnet. neodymium magnet sticks, so I guess it's MAGNETITE
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