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| Dual Fuel Gingery Type Furnace |
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| inthesticks:
Decided to try oil before the paint goes on. Filled oil tank and hung with hose and heater installed, temp. increased from 82* to 104* in about 1 1/2 hrs. Second picture is the burner set-up. Fired up on gas to preheat, when the plith started to glow I cracked open the oil and gave it more air. Over the course of 20 minutes slowly increased oil, reduced gas and increased air. In the third picture the oil is wide open the gas is disconnected and the fan damper is wide open. The next 3 pictures are with the burner on just oil. Hard to get good pic's the heat exiting the top is tremendous. You can see the oil spray hitting along the wall vapourizing and burning. Burned clean except for a little smoke between the bottom 2 sections. The gasket I talked about earlier and an adjustment of the gun in the burner port should cure this. The last picture is the furnace packed up and ready to move indoors for the night. Quite happy with the results, with a little more use I should be able to fine tune air-oil ratios and bring it up on oil quicker. Well thats pretty well it. A couple of coats of paint tomorrow or Monday then build some mold boxes and mix up some molding sand, I can then run some tests on how well it melts metal. Cheers All :beer: CB |
| SwarfnStuff:
Most interesting build. Thanks for the steady flow of updates. Only trouble is that they keep reminding me of my lack of progress with my 15L bucket one. Still, I have not been idle and the club challenge of building Elmer Vernberg's Horizontal Twin Oscillator #09. I'm nearly done making bits. Then to finesse them into a pretty shine (Hopefully) before November. Oh, there is the little part where it is supposed to run too, but should not be a problem unlike the Stirlings of recent challenges. We all await the outcome of test melts from your furnace. Congrats on getting it done. :clap: :clap: John B |
| inthesticks:
Thank you for your interest John, this project has been a bit of a guilty pleasure for me, there is still alot of domestic work to be done around here. Hopefully done this year and I can devote all my time to the real pleasures of building things (anything the list is endless :)) in my shops. Cheers John CB |
| inthesticks:
Guess it's time for the centerfold pictures. Don't see any further changes so I painted the furnace assembly. The frame assembly is Armour Coat gloss rust paint, the furnace shell is Tremclad high heat flat black and the lid is half a spray can of flame resistant paint I had kicking around. If it's actually flame resistant I'll get another can and give it another coat. Cheers :beer: CB |
| Manxmodder:
Wonderful,CB, just wonderful :clap: :clap: A really nicely documented method of making a very professional home furnace. Look forward to seeing some melts come out of her. Coincidently I was watching John 'Doubleboost's' channel last night on casting brass name plates and his use of sodium silicate sand to ensure the detail being preserved in the mold.This led me to a couple of other videos showing how to make your own sodium silicate from sodium hydroxide and silica gel. All really interesting and useful stuff to know......OZ. |
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