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AstoriaDave



Joined: 31 Oct 2005
Posts: 994
City/Region: Astoria
State or Province: OR
PostPosted: Tue Aug 04, 2015 11:10 pm    Post subject: Reply with quote

There are several variations of "denatured alcohol", which differ in the denaturants, and sometimes in the percentage of alcohol. This link delineates some of those choices, and also compares the other alcohol based fuels you might try in a marine alcohol stove. http://thru-hiker.com/articles/fuel_alcohol_choices.php Some of the discussion really deals with aspects only important if you are backpacking, but otherwise this is a good summary.

For my money, I'd stick with denatured alcohol, avoiding brands which use methanol as the denaturant because methanol produdes more carbon monoxide than ehtanol does when it burns in stoves.

You can burn isopropyl alcohol, either in pure form or as rubbing alcohol, which is only 70 per cent isopropyl alcohol. The latter has substantially lower fuel value and will not burn as hot. Both usually produce more smoke and soot.

For the best price, buy in bulk and carry what you need in quart or gallon metal containers or similar. Likely you will find hardware stores give the best price, although a chemical supply house may beat that.

The more exotic choices such as Ever clear or 151 rum will do in a pinch, but cost way more than denatured alcohol.

Some dislike alcohol stoves because the flame is not as evident as in a gas or gasoline stove. Adding a couple shakes from a salt shaker, and agitating to dissolve the salt will make the flame yellow and easier to see. I would not do that unless you clean rhe stove regularly, because the salt will hasten corrosion.

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Karl



Joined: 15 Apr 2008
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City/Region: NORTHERN
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PostPosted: Tue Aug 04, 2015 11:38 pm    Post subject: Reply with quote

I'm beginning to think the small butane stoves might be a better choice. I have 8 asian markets within 5 miles, but calling them proved fruitless, as nobody was available who could speak engrish. I visited three a few years ago looking for something else, and recognized not a single thing in the store, animal or vegetable...things that looked like a watermelon, but covered with 2" spines, for example. Most of the seafood was still partially alive, and one market even had live chickens. I got the evil eye until I left each place...probably thought I was INS...I would pay $2 extra to buy them from Dick's at the mall. One placed got busted shortly thereafter for selling illegal turtle species, something endangered.
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Aurelia



Joined: 21 Aug 2009
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City/Region: Gig Harbor
State or Province: WA
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PostPosted: Wed Aug 05, 2015 12:26 am    Post subject: Reply with quote

I used Alcohol backpacking stoves for a few years and they were light and very simple and were also reliable and some could be carried without separate extra fuel containers for short trips. I burned denatured alcohol from the paint section and it worked well for me. The stoves are a little slow to cook with and it was a little terrifying to use in a hanging system in a tent but they worked when I needed them provided I was patient.

I used a few including some I made (this was 15 years ago) but my favorite was this unit that I still have packed away.

http://www.backcountrygear.com/mini-trangia-stove.html?gclid=CIvBk8-LkccCFVBqfgodQrIGFA

Having said all that; for boating we use a butane unit and I really would not give it up and love that fast, simple unit. I have ours mounted to a simple plastic serving tray with non-slip pads underneath and do most of my cooking directly on the gunnel with one side of the canvas rolled up.

http://www.sportco.com/store/pc/Camp-Chef-Mountain-Series-Butane-1-Burner-Stove-911p81113.htm

Greg

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jack keifer



Joined: 27 Jun 2012
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PostPosted: Wed Aug 05, 2015 1:28 am    Post subject: Alcohol stove Reply with quote

Although this site, started with an alcohol discussion, there has been a discussion about other fuels including butane. I recently acquired a butane fueled stove that uses the 8 oz canisters. I have not been able to find any data sheets on storage. There seems to be different ideas here, other then not leaving them in the stove, on how to store them. Does anyone know how to access a data sheet?
On another point, I have been able to buy the canisters at resturant supply houses because chefs use them for warming chafing dishes, and fondue pots.
Jack

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AstoriaDave



Joined: 31 Oct 2005
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State or Province: OR
PostPosted: Wed Aug 05, 2015 2:18 am    Post subject: Reply with quote

Jack,

Are you concerned about the tank overpressuring if it is stored in a building which gets very hot? IIRC they are rated for something like 120F and lower. They get pretty warm in use.

Here is one type using isobutane, a little netter when it gets cold . Prowl adound on this site. They should have dtorage recs.
http://www.cascadedesigns.com/msr/stoves/stove-accessories/msr-isopro/product
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Karl



Joined: 15 Apr 2008
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PostPosted: Wed Aug 05, 2015 11:15 am    Post subject: Reply with quote

I have heard several stories of disposable butane cylinders corroding through
and releasing the contents. I think I would store them in the house or garage, and only take as many on the boat as needed for a particular trip.

I'm assuming that butane is practically the equivalent of propane...in other words, is heavier than air and will settle rather than rise.

Speaking of which, why not small, disposable propane canisters instead? They are avail. at every hardware store and at Walmarts, whereas butane could be hard to locate in many locations. I have a small Coleman single-burner that heats quickly, and is physically stable...some mount directly to the top of the "squat" cylinders, but mine has a base and a short hose to allow using the typical cylinders used for propane torches, positioned at an angle.

I'm not certain, but I think there are/were some butane canisters that are virtually proprietary and only fit one brand of stove, but that experience is over 20 years old so maybe now they're standardized.
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anchorout



Joined: 03 Jul 2013
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PostPosted: Wed Aug 05, 2015 10:37 pm    Post subject: rum Reply with quote

Karl asked:
Where do you buy rum for under $15/gal? And I think the highest proof is 151, meaning it's about 25% water. The only 151 rum I ever see is Bacardi, and it's quite expensive...guessing over 10x the cost of alcohol stove fuel, maybe even 20X as expensive, unless bought in Bermuda.


Karl: To answer your question, when distilling rum, the first and last drippings are not for consumption. Some distillers dispose of it, others use it for fuel. It is 100% alcohol. I use mine for fuel. The rest I use for "sundowners". Hope that answers your inquiry.

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smittypaddler



Joined: 30 Jun 2004
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PostPosted: Wed Aug 05, 2015 10:44 pm    Post subject: Rum for fuel Reply with quote

Someone in this post mentioned Bacardi 151 proof, which is what I mostly use. I've used Trangia alcohol stoves for 30 years on canoe/camping trips. They're unpressurized, and therefore relatively safe, though the Trangia Mini doesn't protect the flame very well, and I once had it on an unstable surface, where a little jostle caused the stove to spit burning alcohol for a radius of about a foot. The Trangia 27-3 UL is safer, as it protects the flame much better, and thereby also heats a quart of water much faster.

I used to use pure ethanol in my stoves, but I always had black soot on the bottom of my pans. I don't understand the physics, but adding 25% water cooks almost as well, and prevents the bottoms of my pans getting blackened, hence the Bacardi 151 proof rum. Besides, when I don't feel like a beer in the evening, a little rum in a glass of fruit juice tastes good. And I always take extra fuel for my stoves Smile
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