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 My first rocket stove space heater

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jameshookway

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PostSubject: My first rocket stove space heater   Sat Feb 15, 2014 3:25 am

I would firstly like to thank ppotty1 for his designs, as he inspired me to make a space heater. The stove is based on the back half of his stove with a detachable fire box which I am hoping to burn saw dust when it is installed in a friends workshop. The secondary air comes in between the two sections. The lid lifts off to enable cleaning.












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PostSubject: Re: My first rocket stove space heater   Sat Feb 15, 2014 3:38 am

Very Nice looking RS James !  Very Happy cheers
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jameshookway

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PostSubject: Re: My first rocket stove space heater   Sat Feb 15, 2014 4:21 am

Thanks.  Very Happy 
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PostSubject: Re: My first rocket stove space heater   Sat Feb 15, 2014 4:48 am

dkwelder wrote:
Very Nice looking RS James !  Very Happy cheers

The time you have invested in your build, shows!  Very Happy  Its not a slammed together RS leaving you woundering if it going to Rocket correctly or not?  Very Happy
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Hitchhiker



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PostSubject: 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

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PostSubject: 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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PostSubject: 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,  Idea  :arrow: He knows a lot about many different things, because of his, having been there and done it !  study  Sure is nice to have a go to Guy like Loz, for that type of helpful knowledge!  Very Happy  cheers
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caotropheus
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PostSubject: 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

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PostSubject: 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

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PostSubject: 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

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PostSubject: 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

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PostSubject: Re: My first rocket stove space heater   Tue Feb 18, 2014 1:35 am

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.
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Hitchhiker



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PostSubject: 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



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PostSubject: 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

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PostSubject: 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

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PostSubject: 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

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PostSubject: 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

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PostSubject: 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

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PostSubject: 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

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PostSubject: 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

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PostSubject: Re: My first rocket stove space heater   Tue Feb 18, 2014 5:32 am

Will do  :) 
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Mr. Heater

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PostSubject: 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

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PostSubject: 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

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PostSubject: 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

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PostSubject: 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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