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Post by deadeer on Dec 13, 2021 11:57:47 GMT -5
Your thermometer reading tells the story. The temp is hot right at the burn area, but quickly loses heat the higher you go. That means you are getting all the potential heat in the stove, and not the stack. That's why we went with the heat tubes in the stove itself. IF it ever burnt out a tube, just weld caps over then end of that tube.
Running hot a lot, I'm in fear the bottom of my stove will melt down or at least become brittle and crack. My buddy has a 12' piece of 3/8" wall tube the same diameter as my stove. I am gonna cut off a piece and make a new base starting under the bottom heat tube some day. That way it will last forever and the door can be beefed up as well.
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Post by steiny on Dec 13, 2021 13:24:20 GMT -5
Neat project but use caution. My buddies dad burnt his shop to the ground with a similar (used motor oil) homemade stove.
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Post by Ahawkeye on Dec 13, 2021 13:57:32 GMT -5
Very cool project, I too am interested in finding out what the smell is like. Also as far as a clean running heater, is there "dirty" air going through the stack? I think the idea is awesome and everyone should have one! I just would like to know if my siding is going to be coated with french fry grease if I ever got/built one. Truth is I'd have to have one built, I don't know how to weld and would probably burn my garage down if I ever tried something like this. Looks awesome keep us posted!
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Post by deadeer on Dec 13, 2021 13:58:49 GMT -5
Neat project but use caution. My buddies dad burnt his shop to the ground with a similar (used motor oil) homemade stove. Absolutely, and I never let it run unattended. Thats one unfortunate downfall. Couple points we feel are safety pluses. One, with such a small oil stream and only mechanical adjustment, it can never over fuel. An unexpected contaminate will stop the oil flow and shut the unit down, never over fuel. Two, IF the flames ever went out, possibly by water contamination, or say an oil stoppage, and then flows on it own again... is that once the oil would get a few inches deep in the burn pot, it would smother out the airflow, causing it to shut down. That's one big reason we wanted natural draft as opposed to a forced air or pressurized system. It cant really get out of control. It is nice that I have block walls too. A high ceiling also takes some worry out. I can almost hold my hand on the smooth stack since all the heat is used up in the stove itself.
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Post by deadeer on Dec 13, 2021 14:00:34 GMT -5
Very cool project, I too am interested in finding out what the smell is like. Also as far as a clean running heater, is there "dirty" air going through the stack? I think the idea is awesome and everyone should have one! I just would like to know if my siding is going to be coated with french fry grease if I ever got/built one. Truth is I'd have to have one built, I don't know how to weld and would probably burn my garage down if I ever tried something like this. Looks awesome keep us posted! Just a little smoke at start up until everything heats up. Then the smoke output is crystal clear and clean. All I can say is, its AMAZING!
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Post by deadeer on Dec 14, 2021 9:23:47 GMT -5
One last additional safety measure we thought of. That is using the small quantity oil resevoir (the propane tank). Some are using a plastic tote or 5 gal bucket, but just seemed like a bad idea. Also the vegetable oil is about impossible to burn on it's own compared to engine drain oil. This is a couple year project with a LOT of talking and thinking to get to this point.
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Post by deadeer on Jan 6, 2022 1:37:23 GMT -5
It was 10deg outside at work tonight and 40+ mph wind. I had to start a couple trucks on the lot and bring inside. Brrrr. My Carhartts were working OT like me. Lol. The oil furnace at work never shut off once, trying to maintain 65deg. and I was there 10.5hrs. Came home and bombed up the veggie burner on full blast. Didnt take long to be down to a tee shirt. Just saying...😎
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