Hello Johan .& welcome to the forum.There are a number of issues with your stove .The first question i would ask is how did you come to design this ? the principles of rocket stoves , as i understand them as a beginner are that high temperatures are achieved by having a firebox that concentrates heat , turbulence that mixes wood gas & air & restriction that slows the flow of gases through the system.Thermal mass that acts as a storage is also important.Riser temperatures of 1170 C have been measured. I would suggest a visit to batchrocket.eu/en/ for a comprehensive explanation of the theory & practice of rocket stoves.The stove you have built is a superb example of great welding & fabrication skills , design and planning , skills that will give you a great advantage if you build a stove from firebrick ceramic fibreboard or castings.
Well, it's a k-style rocket with gravityfeed and removable ashtray inside a barrel with second air inlet in the swirl for total combustion, built of 88 mm 3.5 "stainless steel tubes with 2 convection tubes in floor, wall and ceiling. And a reflectorplate that hangs down in front of the outlet so only cold co2 goes to the chimney that I can hold my hand on after a meter all in the size of 30x50x70cm and weighs in at 60kg and is only to raise the temperature of the air quickly I do not need heat after I go home so this is how it should look and i don't even have a box to think inside of...
It is the radiated heat that is 400c, the temperature is over 1000c before the riser.
My next stove will be a rocket mass heater on my deck when i have put the glass in it then it will be different.
400 c radiated heat is pretty good ....even though you just want a space heater i still think that a batch box with a large bell would be better ? also it would mean that you don't have to constantly load the K tube ...you can run some numbers as regards to how much wood you burn = BTUs & the size of your space + the rise in temperatures you require.Even with a high efficiency burn a 3.5 inch tube is a very small firebox.Even 330 stainless will be subject to spalling at 1000 C although with 3.5 wall thickness it will last a fair amount of time.Still it looks great & like it should be in the side of a V8 , or maybe on the top , connected to a supercharger ?
Last Edit: Sept 15, 2020 11:32:53 GMT -8 by fuegos
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
anounaki: Hi, why I cant upload photos when I make new tread to this forum?
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ahansen: photos under 1 mb not possible?
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belgiangulch: Photo's are possible. They must be downloaded elsewhere and the image url (adress) is copyied.
Sept 14, 2020 7:26:15 GMT -8
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Sept 14, 2020 7:29:27 GMT -8
deadstarsstillburn: Hi there. I was directed this way by folks on the Permies.com website and am hoping I can get some information on how a total newbie can get started designing, siting, building, and not-dying-in-a-horrible-house-fire with a new RMH in a 160-year old home
Oct 21, 2020 6:52:10 GMT -8
deadstarsstillburn: The people over there recommended either a 6" batchbox or an 8" J-tube. I don't know what those are but am going to try to figure that out. What I need is a blueprint that I can scale to fit the need for my house. I have something likne 5000 square feet
Oct 21, 2020 6:53:00 GMT -8
deadstarsstillburn: but I do not need to heat all of it by any means. probably only need to heat half of that, maybe less.
Oct 21, 2020 6:53:15 GMT -8
deadstarsstillburn: moreover, the house has 3 storeys (large attic) so I assume if I get very efficient heating on the ground floor, that will go a long way toward heating the upstairs as well, no?
Oct 21, 2020 6:53:59 GMT -8
BenAlexanderT: Happy new year everybody. I wish you the best
Dec 31, 2020 15:06:14 GMT -8
Solomon: Anybody in Southern Oregon, in Jackson or Josephine counties?
Jan 16, 2021 21:54:43 GMT -8
gnomedome: i realsie this is from 2009
Apr 14, 2021 8:30:44 GMT -8
gnomedome: i realize this is from 2009 id love to see the photos from this ..as im looking to build a sauna soon similar to this .... if anyody sees this post email@example.com..... the photos in this post did not show up
Apr 14, 2021 8:32:00 GMT -8