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Rocket wood stove!!
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pyrotech



Joined: 10 Jul 2007
Posts: 107
Location: Aylesbury
PostPosted: Sat Feb 04, 12 12:24 pm    Post subject: Reply with quote
    

Fine for the yanks, but wouldn't we need to have a chimney meeting the same requirements as a standard wood burner? Bet that would mess with efficiency.. Would it really have no CO?

Love the idea, and looking into it as well.

Toffer



Joined: 01 Nov 2009
Posts: 247
Location: Sutton St Edmund, Lincs
PostPosted: Sat Feb 04, 12 12:42 pm    Post subject: Reply with quote
    

I've had a go building one of these with an oil drum and some old piping and it works really well, very impressed with the sideways burning fire, it looks well cool.

I haven't been able to get to the heat sink seat bit yet, will be trying that later this year.

Here's the linky https://www.hootershall.co.uk/2010/11/01/rocket-stove-experiment/

Tavascarow



Joined: 06 Aug 2006
Posts: 8407
Location: South Cornwall
PostPosted: Sat Feb 04, 12 1:04 pm    Post subject: Reply with quote
    

pyrotech wrote:
Fine for the yanks, but wouldn't we need to have a chimney meeting the same requirements as a standard wood burner? Bet that would mess with efficiency.. Would it really have no CO?

Love the idea, and looking into it as well.

I don't think the height of the external chimney makes any difference unless it was so high the draw would be to fast for the exhaust gases to heat the 'mass' before exiting.

digit



Joined: 23 Aug 2009
Posts: 88
Location: Neath,South Wales
PostPosted: Sat Feb 04, 12 6:59 pm    Post subject: Reply with quote
    

Wouldn't you need a very well vented room, or the rocket stove would suck all the oxygen out of the room.

Tavascarow



Joined: 06 Aug 2006
Posts: 8407
Location: South Cornwall
PostPosted: Thu Feb 23, 12 9:09 am    Post subject: Reply with quote
    

digit wrote:
Wouldn't you need a very well vented room, or the rocket stove would suck all the oxygen out of the room.

Don't you already need that for any type of combustion heating?
Especially now so many homes are sealed with UPVC.
Another video on rocket mass heaters.

troyannick



Joined: 24 Dec 2011
Posts: 605

PostPosted: Thu Feb 23, 12 9:24 am    Post subject: Reply with quote
    

Wow thanks gz this looks great gotta try and build one of those.

dolmen



Joined: 07 Oct 2011
Posts: 108

PostPosted: Thu Feb 23, 12 7:05 pm    Post subject: Reply with quote
    

Anyone know links to where these are being used in a house situation? TIA

TTouch Homestead



Joined: 13 Oct 2011
Posts: 703
Location: Cardigan, West Wales
PostPosted: Thu Feb 23, 12 7:08 pm    Post subject: Reply with quote
    

dolly- have a look on youtube. lots of vids...

gz



Joined: 23 Jan 2009
Posts: 8571
Location: Ayrshire, Scotland
PostPosted: Thu Feb 23, 12 7:12 pm    Post subject: Reply with quote
    

gogle rocket stove- plenty on there, including videos

Mutton



Joined: 09 May 2009
Posts: 1508

PostPosted: Tue Feb 28, 12 1:35 pm    Post subject: Reply with quote
    

When we are trying to get our multi-fuel stove started it draws better with the lounge door open. Have plans for having an air vent direct to the stove from the outside one of these years. (Just vague plans, nothing really researched yet, so if anyone has already done that.....)

troyannick



Joined: 24 Dec 2011
Posts: 605

PostPosted: Tue Feb 28, 12 1:42 pm    Post subject: Reply with quote
    

Mutton wrote:
When we are trying to get our multi-fuel stove started it draws better with the lounge door open. Have plans for having an air vent direct to the stove from the outside one of these years. (Just vague plans, nothing really researched yet, so if anyone has already done that.....)


Is the flue/ chimney clear was having trouble with my woodburner, cleared the flue what a difference.

Mutton



Joined: 09 May 2009
Posts: 1508

PostPosted: Tue Feb 28, 12 2:52 pm    Post subject: Reply with quote
    

Yes, flue is fine thanks. Cleaned it last Autumn.

We just have a well sealed modern bungalow. (Also on a slope in the lee of trees - all things said to cause problems with a chimney drawing.) We find it varies a lot with wind direction when it is a light breeze.

On a very windy day we sometimes struggle to stop the fire roaring away with the draw up the chimney - even with the lounge door shut. Finish up covering the fire with ash to damp it down.

hardworkinghippy



Joined: 01 Jan 2005
Posts: 1110
Location: Bourrou South West France
PostPosted: Thu Mar 01, 12 5:09 pm    Post subject: Reply with quote
    

Hi folks,

in our extension we intended to build a classic Russian mass heater but I thought we'd give the rocket mass a go and see how we get on with it.

I've not finished the cobbing yet as we're lambing and busy on other projects but already we're getting a good idea of how much heat it gives out for the amount of wood we use.

The studio where the built the stove is 13x5 metres and the east wall isn't insulated yet. The rest of the walls have 30cms of stone, 20 of terra cotta brick and 40cms of compressed straw. The windows and doors are double glazed. Here's a video of the stove so far :

https://picasaweb.google.com/101842447547367164524/FilmsAndSeriesOfPhotos#5713155398613403762

I'll get better results once the cob is finished and has dried out properly but I'm experimenting with it before I finish the beast. I've started taking notes of temperatures at certain times and I'll take photos of how much wood we use. Once I've enough data, I'll publish the results.

Nick



Joined: 02 Nov 2004
Posts: 34535
Location: Hereford
PostPosted: Thu Mar 01, 12 5:53 pm    Post subject: Reply with quote
    

Hi HFH, good to see you back.

Nice stove.

Question is, why do you keep the lamb in a bucket?

hardworkinghippy



Joined: 01 Jan 2005
Posts: 1110
Location: Bourrou South West France
PostPosted: Thu Mar 01, 12 5:58 pm    Post subject: Reply with quote
    


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