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#50333 - 10/03/05 05:05 AM Re: Bug-in stove?
jamesraykenney Offline
Enthusiast

Registered: 03/12/04
Posts: 316
Loc: Beaumont, TX USA
Quote:
Outside magazine has a nice overview of stove options…

http://outside.away.com/outside/outsidestore/goverview/BG_STOVE.html

…along with comments by the “Gear Guy” on alcohol stoves in particular:

http://outside.away.com/outside/gear/gearguy/200208/20020805.html

http://outside.away.com/outside/gear/gearguy/200303/20030331.html

<snip>


That guy does not know ANYTHING about alcohol stoves!!!
He says that they are not presurized... Well some aren't and some are... And some are 'sort' of presurized...
He also makes it sound like the coke can stoves are just a container, that you fill with alcohol and light!!!
Well, some are, but most have at least two chambers, where you light the open one, but as soon as it heats up, the alcohol starts boiling in the second chamber, and the vapor rushes through a lot of little holes(or slits) either around the open portion, or around the outside of the stove, while the center goes out... This produces a burner that looks exactally like the one one a natural gas stove...
You can make one with NOTHING but a knife and a coke can!!!
We made some at work one day, and they work great!
Some of the instructions you will find on the internet are very involved, but they are usually for ones that look like a commercial stove, when you are finished.

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#50334 - 10/03/05 05:27 AM Re: Bug-in stove?
jamesraykenney Offline
Enthusiast

Registered: 03/12/04
Posts: 316
Loc: Beaumont, TX USA
Quote:

<snip>
Similarly, I ran across another article that describes a number of generator-related deaths/injuries in Florida recently. Unlike the recently reported deaths of 5 people in Beaumont, Texas, where a generator was run in the apartment, this article describes two separate incidents where the generators were actually sitting outside the homes and yet the CO made its way back into the homes. In one case, authorities theorize that a breeze blew the generator exhaust through an open sliding glass door. In the other case, the generator was inadvertently turned towards the home during late night refueling, and the CO made its way under a mobile home and probably seeped up through the floor.

Seeped UP through the floor... <img src="/images/graemlins/confused.gif" alt="" /> <img src="/images/graemlins/shocked.gif" alt="" /> W.T.F.
CO is HEAVER than air... That is one of the things that makes it so dangerous in a fire, when people are crawling to get out of the smoke! And, also because of that, it tends to pool in low areas...
That must have been SOME FEAKE occurance, for the CO to go UP into a mobile home!!!

One thing about stoves... Some of them are tested withOUT pots on them... When you put a pot on some of them, the CO production SKYROCKETS, sometimes as much(or more) than 4 times!!!

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#50335 - 10/03/05 06:13 PM Re: Bug-in stove?
cliff Offline
Sultan of Spiffy
Enthusiast

Registered: 05/12/01
Posts: 271
Loc: Louisiana
Stoves......

Must...... control...... self.......

Nah.

Paulr, old buddy, I have hust one word for you: Trangia . I swear by the little buggers.

See this post I did a while back on stoves, and this post I did on mess kits.

Currently, my kit is two US Army canteen cups with a Trangia Solo stove, a windscreen/stand I made from another canteen cup, and a "Natick" stove/stand (which becomes a heat screen extension for the homemade windscreen/stand when the cup is used). With my setup, I can boil about 2/3 litre of water in just over 5 minutes. If I need more than boiling capacity, or need to cook something up, I bring along the larger tin from a British mess kit. If someone can house the images, I will be happy to post pictures of the setup.

Hope this helps.

.....CLIFF

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#50336 - 10/11/05 05:42 PM Re: Bug-in stove?
Arney Offline
Pooh-Bah

Registered: 09/15/05
Posts: 2485
Loc: California
Just wondering, but wouldn't heated exhaust rise in the presence of cooler ambient air? I mean, when I lived in NYC, I seem to recall the occasional CO poisoning in apartments from a faulty boiler down in the basement. So, if a portable generator is pumping out hot exhuast under a raised mobile home, wouldn't it be possible for the CO to rise because it's warmer than the surrounding air? Or is CO heavy enough to generally trump thermal effects? Like I said, just pondering the hypothetical.

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#50337 - 10/11/05 09:42 PM Re: Bug-in stove?
AyersTG Offline
Veteran

Registered: 12/10/01
Posts: 1272
Loc: Upper Mississippi River Valley...
CO is close enough to the density of air to not matter (about 0.93 or thereabouts, off the top of my head ). Thermal stratification is pretty transient unless the space is confined and the heat source continues to pump energy into the stratified zone.

What is probably a much more significant transport mechanism in a confined space under a factory home is the partial pressure of CO and other combustion products is greater in the confined space and therefore CO will seek entry into the home (and outside) until the concentrations are nearly equal.

Except for structural fires, the main mechanism for CO to move is partial pressure differences. Sort of like entropy... heat flows to cold, high things seek low places, high CO concentrations seek low CO concentrations...

HTH

Tom


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#50338 - 10/11/05 10:18 PM Re: Bug-in stove?
Eugene Offline
Carpal Tunnel

Registered: 12/26/02
Posts: 2995
I have a portable gas grill, its called a grill 2 go but there are other brands that make similar. Since its a regular grill and not a campstove it is disguised rather well, you can say you use it for tailgate parties at the game (which is what it was designed for anyway) and no one will ever know.
Mine runs off of 1lb propane and I have an adapter hose to connect to the 20lb ones. 1lb of propane will last 6-8 meals for my wife and I or cooking a large meal for about 100 people (once it gets up to temp, you can turn the flame all the way down and it still stays at cooking temp so its very efficient) for family reunions. We throw it in the truck a couple time a year, stop at same and pick up some big packs of hamburger and go to the park cook for the whole (big) family.

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