[Cob] Rocket vs. Rumford for Patio Heating

[Bryan]

haha no I just don't like breathing wood smoke it makes me choke.

On 10/7/07, Tim Nam <tkn317071 at yahoo.com> wrote:
>
> No offense but do you work for a gas company or something?
>
> The problems with LP are that it is releasing fossil carbon into the
> atmosphere not to mention the devastating effects on entire ecosystems in
> extraction.  Burning wood efficiently is renewable, local and carbon
> neutral.
>
> Here in the northwest, when we need heat, we don't have sun.  So as much
> as we'd like to use passive solar and geothermal, etc I don't know that it
> is enough.
>
> I suppose the ideal thing to do is just learn to live with cold, like
> Shannon, but I'm not at that stage yet.  perhaps soon.
>
> Tim
>
> *Bryan <Bryan at FloridaRentalsAndSales.com>* wrote:
>
> Rumford still is burning very dirty and polluting when compared to LP or
> rocket stove. Take the creativity on this list and find solar heat or
> other
> sources of clean energy!
>
> On 10/7/07, Ocean Liff-Anderson wrote:
> >
> > Been reading this thread and want to clarify an important point:
> >
> > Outdoor heating requires "radiant" heat, especially since you are
> > cooled by any breeze which might blow through or around your patio.
> > This is why the free standing propane heaters work so well - they
> > provide 100% radiant heat. On the other hand, "conductive" heat is
> > ideal for storing heat in thermal mass which is released gradually,
> > best for heating buildings or enclosed spaces.
> >
> > Rocket stoves are good conductive heaters and but not very good for
> > outdoor/patio heating - ideal for storing heat in thermal mass
> > through the cob-encased flue bench in Ianto's design (which is absent
> > in the African cook-stove Rockets previously discussed in the
> > coblist). Ianto's Rocket drum radiants heat primarily off the top,
> > not as much from the sides of drum. So in an outdoor patio, you will
> > be standing around your rocket and warming your hands over the top
> > all the while shivering due to your chilly lower quarters. The
> > Rocket's heated bench does help a little, but any breeze quickly
> > negates the effects of a warm butt.
> >
> > On the other hand, the Rumford hearth is primarily a radiant heat
> > source, where heat is projected (for lack of a better word)
> > horizontally out to the people sitting or standing around it, warming
> > hands, legs, torsos or butts - depending on which side of you faces
> > the hearth. At Ahimsa Sanctuary, we hired Ianto to build us a
> > Rumford in our cob kiva. We had it fired up while plastering, and
> > the Rumford put out so much heat that it melted a 5-gallon bucket 6
> > feet away!
> >
> > Here are pics of our Rumford being built and fired up.
> >
> > http://www.peacemaking.org/cobpics/rumford1.jpg
> > http://www.peacemaking.org/cobpics/rumford2.jpg
> > http://www.peacemaking.org/cobpics/rumford3.jpg
> > http://www.peacemaking.org/cobpics/rumford4.jpg
> > http://www.peacemaking.org/cobpics/rumford5.jpg
> > http://www.peacemaking.org/cobpics/rumford6.jpg
> > http://www.peacemaking.org/cobpics/rumford7.jpg
> >
> > Rumford hearths have very specific design requirements so that the
> > flue and draft work properly. I don't know of any published cob
> > plans, but I did Google into a site out of Port Townsend, WA which
> > sells a masonry (brick & mortar) version: http://www.rumford.com
> > This is pretty spendy, as most conventional masonry construction is,
> > and not really what we are looking for in the cob building movement.
> >
> > So if you'd like to integrate a Rumford into a cob wall or building,
> > I would suggest contacting Cob Cottage Company for info. Cob Cottage
> > has built several Rumfords into courtyard walls with adjacent cob
> > bench seating, the most prominent one on the cover of the Hand
> > Sculpted House.
> >
> > Good luck!
> > Ocean Liff-Anderson
> > Steward, Ahimsa Sanctuary
> > http://www.peacemaking.org
> > Proprietor, Intaba's Wildfire Restaurant
> > http://www.woodfiredeatery.com
> >
> >
> > On Oct 6, 2007, at 6:08 PM, michael montagne wrote:
> >
> > > So I look at pictures and diagrams of rocket stoves and I read how
> > > they work
> > > and where to clean what when but a question still remains. Are
> > > these 55
> > > gallon steel drum heat exchanger containers just upside down
> > > barrels? In
> > > other words, is it necessary to open the top for maintenance? If
> > > not, why
> > > don't more people just substitute cob for the steel barrel? I
> > > guess that's
> > > really more than one question. Also, where to source the smaller
> > > barrel for
> > > the feed tube? I'm in Portland, Oregon. My stove will be outside,
> > > heating
> > > a small covered area of my deck to allow use during the cooler months.
> > >
> > > -mjm
> > > _______________________________________________
> > > Coblist mailing list
> > > Coblist at deatech.com
> > > http://www.deatech.com/mailman/listinfo/coblist
> >
> >
> > _______________________________________________
> > Coblist mailing list
> > Coblist at deatech.com
> > http://www.deatech.com/mailman/listinfo/coblist
> >
>
>
>
> --
> Check out my site-> www.BryanTree.com
> Bryan Hilbert
> 2526 54th St S
> Gulfport, FL 33707
> 727-323-7268 office
> 727-804-7268 cell - Please Only use Cell 10-5 Mon-Fri. Never on weekends
> or
> after hours unless its a real emergency.
> 727-213-5026 fax
>
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>
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>
>
>
> Tim Kijoo Nam
> Corvallis, OR
> tkn317071 at yahoo.com
> http://timsbloggo.blogspot.com/
> "We are discussing no small matter, but how we ought to live." -Socrates
>
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-- 
Check out my site-> www.BryanTree.com
Bryan Hilbert
2526 54th St S
Gulfport, FL  33707
727-323-7268 office
727-804-7268 cell - Please Only use Cell 10-5 Mon-Fri. Never on weekends or
after hours unless its a real emergency.
727-213-5026 fax

Buddha: Consider others as yourself. ...

Please download Google Apps from my site, It is great free software and I
get bonus when you download it! :)