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Banned on 1/22/2011 for repeated rule violations after multiple warnings. Registered Member #3299
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My dads friend said it would not be a good idea to put 4 mots in series , i was gonna put them oil, but he says they will still arc over,is there any risk of an arc over?
this is gonna be tc supply,and it will be ballasted
Registered Member #2893
Joined: Tue Jun 01 2010, 09:25PM
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Let me ask, is this your first experience with tesla coils or resonant power circuits? If so, I highly recommend you stay away from the quad MOT. Likely they will not flash over under oil, but they can supply a massive amount of power. One mistake and your dead.
Why not start with something smaller, like a neon sign transformer?
Registered Member #160
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They should be all right under oil, but they definately flashover if not under oil. They will run for a bit, but with the Rf and voltage involved in the tank circuit of a TC, they tend to catch fire.
Banned on 1/22/2011 for repeated rule violations after multiple warnings. Registered Member #3299
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Registered Member #1951
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if you put em in oil, you wanna put em under a vacuum while in oil. why you ask me? its to suck those bubbles/air remaining in secondary and primary out, that can cause arc overs? (correct me if i am wrong). any way it's to play it save
Coronafix wrote ...
They should be all right under oil, but they definately flashover if not under oil. They will run for a bit, but with the Rf and voltage involved in the tank circuit of a TC, they tend to catch fire.
Banned on 1/22/2011 for repeated rule violations after multiple warnings. Registered Member #3299
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K I'll try the vacuum, could i try letting her soak for a week instead?
I hate nst and obits, the are gutless and expensive, my first coil used an obit and i obtain 3 inch steamer, plus it later died even with a safety gap, i repaired the transformer, it is now in oil,(the black epoxy resin is worth less)
Registered Member #2893
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Letting it soak won't do anything to get those tiny bubbles out. Though I have managed to oil a few x-ray transformers only by massaging the windings for 30 minutes to squeeze out air, that wouldn't be possible with an MOT.
You *might* be able to avoid a vacuum by vibrating it for a few days, though I'm not 100% sure that would work. Your best bet is still a vacuum. If you don't have a "real" vacuum pump, do as I do and put 2 refrigerator compressors in series. A mini fridge one followed by a regular one. It works fairly well.
Banned on 1/22/2011 for repeated rule violations after multiple warnings. Registered Member #3299
Joined: Sat Oct 09 2010, 08:11PM
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got an air compresses with no tank, could i hook it up back wards?
Registered Member #2893
Joined: Tue Jun 01 2010, 09:25PM
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Shop vac won't work, but the gas compressor may. Be prepared to lose it though. I use refrigerator compressors because you can get them for free/very cheap.
Banned on 1/22/2011 for repeated rule violations after multiple warnings. Registered Member #3299
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k, do i have to worry about getting freon every were
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4 mot stack questions
