| My first rocket stove space heater | |
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jameshookway

Posts : 126 Join date : 2013-12-12 Location : Sheffield UK
 | Subject: My first rocket stove space heater Sat Feb 15, 2014 3:25 am | |
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jameshookway

Posts : 126 Join date : 2013-12-12 Location : Sheffield UK
 | Subject: Re: My first rocket stove space heater Sat Feb 15, 2014 4:21 am | |
| Thanks. |
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 | Subject: Re: My first rocket stove space heater Sat Feb 15, 2014 4:48 am | |
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Hitchhiker
Posts : 246 Join date : 2013-12-26 Location : nomad
 | Subject: Re: My first rocket stove space heater Sat Feb 15, 2014 5:16 am | |
| That is great. So the dust all burns in the first "bucket"? Is it a straight L tube to the second "barrel"? |
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jameshookway

Posts : 126 Join date : 2013-12-12 Location : Sheffield UK
 | Subject: Re: My first rocket stove space heater Sat Feb 15, 2014 5:24 am | |
| Yes, I built it using ppotty,s plans |
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Guest Guest
 | Subject: Re: My first rocket stove space heater Sat Feb 15, 2014 6:18 am | |
| - jameshookway wrote:
- Yes, I built it using ppotty,s plans
Loz, has it going on,  :arrow: He knows a lot about many different things, because of his, having been there and done it !  Sure is nice to have a go to Guy like Loz, for that type of helpful knowledge!  |
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caotropheus Subscribers

Posts : 333 Join date : 2013-10-07
 | Subject: Re: My first rocket stove space heater Sat Feb 15, 2014 4:08 pm | |
| James
And when are we seeing a video of the stove working? |
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jameshookway

Posts : 126 Join date : 2013-12-12 Location : Sheffield UK
 | Subject: Re: My first rocket stove space heater Sat Feb 15, 2014 7:26 pm | |
| Hopefully I will be lighting up on Monday, so early next week |
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2ndburn

Posts : 165 Join date : 2013-12-05 Age : 60 Location : shropshire
 | Subject: Re: My first rocket stove space heater Sat Feb 15, 2014 8:18 pm | |
| :)
Hi James, I like the detachable fire box Idea, Will you have a separate fire box design for burning wood. :?: |
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jameshookway

Posts : 126 Join date : 2013-12-12 Location : Sheffield UK
 | Subject: Re: My first rocket stove space heater Sun Feb 16, 2014 1:34 am | |
| The idea is to be able to experiment with different fire boxes for different fuels. I think this box maybe too low. I have been thinking about using a car wheel to raise it. |
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jameshookway

Posts : 126 Join date : 2013-12-12 Location : Sheffield UK
 | Subject: Re: My first rocket stove space heater Tue Feb 18, 2014 1:35 am | |
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Hitchhiker
Posts : 246 Join date : 2013-12-26 Location : nomad
 | Subject: Re: My first rocket stove space heater Tue Feb 18, 2014 2:28 am | |
| My total novice opinion is that there needs to be more air in the first cylinder. Is there secondary air in the first cylinder?
*I haven't had a chance to check out ppotty's version.* |
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mattinker
Posts : 30 Join date : 2013-12-29
 | Subject: Re: My first rocket stove space heater Tue Feb 18, 2014 2:37 am | |
| - jameshookway wrote:
- The first photos. Video should be uploaded tomorrow.
There was a small amount of condensation for the chimney.
Unfortunately it was not smoke free. I am going to fire up again tomorrow. I try to get more secondary air in. I'll be following this with great interest!! Regards, Matthew |
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jameshookway

Posts : 126 Join date : 2013-12-12 Location : Sheffield UK
 | Subject: Re: My first rocket stove space heater Tue Feb 18, 2014 4:23 am | |
| - Hitchhiker wrote:
- My total novice opinion is that there needs to be more air in the first cylinder. Is there secondary air in the first cylinder?
*I haven't had a chance to check out ppotty's version.* I fired the stove with the lid closed and open. It did not seam to make much difference. The secondary comes in between the two cylinders. |
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2ndburn

Posts : 165 Join date : 2013-12-05 Age : 60 Location : shropshire
 | Subject: Re: My first rocket stove space heater Tue Feb 18, 2014 4:55 am | |
| :) Hi James, It maybe that your secondary air is not hot enough and the sawdust may have to much moisture. |
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jameshookway

Posts : 126 Join date : 2013-12-12 Location : Sheffield UK
 | Subject: Re: My first rocket stove space heater Tue Feb 18, 2014 5:00 am | |
| The secondary air is flowing around the centre pipe where the flames are passing through and also the heat from the second cylinder is helping to heat it, so I do not know else I could increase the heat. I do not know how damp the sawdust is as I did not supply it and it was outside in a plastic bag under cover. |
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2ndburn

Posts : 165 Join date : 2013-12-05 Age : 60 Location : shropshire
 | Subject: Re: My first rocket stove space heater Tue Feb 18, 2014 5:05 am | |
| Hi James, Was the draw strong. Did the smoke go away as it became hotter? |
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jameshookway

Posts : 126 Join date : 2013-12-12 Location : Sheffield UK
 | Subject: Re: My first rocket stove space heater Tue Feb 18, 2014 5:12 am | |
| The draw was fairly strong, but it did not go away when it was hot. The only thing I can think of is how the sawdust burnt. It started strong with the flames going down, but as the sawdust burn away it was glowing and there were no flames. I am going to try this fire box with wood instead of saw dust. Also I have had another idea for the fire box were the pipe going into the RS where goes down in the centre first then does a right angle into the RS |
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2ndburn

Posts : 165 Join date : 2013-12-05 Age : 60 Location : shropshire
 | Subject: Re: My first rocket stove space heater Tue Feb 18, 2014 5:30 am | |
| :) Ok James. Post some videos when you can. |
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jameshookway

Posts : 126 Join date : 2013-12-12 Location : Sheffield UK
 | Subject: Re: My first rocket stove space heater Tue Feb 18, 2014 5:32 am | |
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Mr. Heater

Posts : 127 Join date : 2013-12-09 Location : Northern Illinois
 | Subject: Re: My first rocket stove space heater Tue Feb 18, 2014 5:41 am | |
| It looks like the hole through the sawdust is smaller (about 1/4 the size) than your primary air pipe. That may be choking off the primary air. Maybe just a larger hole through the sawdust the same size as the primary air pipe will fix it.
Also, the hole in the top of the firebox lid may be too small. I would make it as large as the primary air intake pipe to the heater. You can always put a damper on it to slow down the air intake (burn). |
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2ndburn

Posts : 165 Join date : 2013-12-05 Age : 60 Location : shropshire
 | Subject: Re: My first rocket stove space heater Tue Feb 18, 2014 6:15 am | |
| :) Hi Mr, The hole will become bigger as it burns, but I think it would be something simple to put it right. It maybe that there is too much secondary air or that air is coming in from somewhere else, making for a weaker draw would not pull enough air in through the fire box and would account for the smoke. When James posts a video we may see what the problem is. |
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Mr. Heater

Posts : 127 Join date : 2013-12-09 Location : Northern Illinois
 | Subject: Re: My first rocket stove space heater Tue Feb 18, 2014 6:24 am | |
| I would suggest taping up the secondary air holes with foil tape to see what happens. Those look like a major air leak affecting the draw from the chimney into the firebox. |
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2ndburn

Posts : 165 Join date : 2013-12-05 Age : 60 Location : shropshire
 | Subject: Re: My first rocket stove space heater Tue Feb 18, 2014 6:36 am | |
| :) Hi, Yes I agree It can't do any harm, it's all about trial and error. ppotty1 would be the guy to advise on this build as he has a very similar stove. |
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