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Registered Member #151
Joined: Sun Feb 12 2006, 02:53PM
Location: Poland
Posts: 153
Hi! This is cool It's great idea to use these caps. I have some MO parts laying around so afrer reading this topic I tried it too. Here's my results on youtube: , and some photos :)
jmartis wrote ... Can anyone tell me where can I find free MOTs? I went around a lot of those recycle scrap yards (or how they call it), there were a lot of TVs but not a single MO.
What about aukro? I bought a few broken MOs on our polish internet auction service allegro (looks like we have a bit more MO's than aukro ) for equivalence of 300-400Kc each. It's a good deal becouse I can take out the magnetron and easily sell it for the same price. Then I have rest of the parts for free
Registered Member #151
Joined: Sun Feb 12 2006, 02:53PM
Location: Poland
Posts: 153
Just set white ballance for sunny day :) These pics was not edited, only resized. I use sony dsc-f707 (drawing arc pics) and my brother's pentax k100d (ladder pics). For movies i use praktica dcz 5.8 :)
Registered Member #95
Joined: Thu Feb 09 2006, 04:57PM
Location: Norway
Posts: 1308
W00t, I tried this and the arcs are amazing! I love that crackling sound of mains in the arcs. I made a video which I can't seem to upload and took some screenshots from it.
Jan, I tried a primary shorted MOT as a ballast on the secondary and it seems to work fine. No extra caps required, although they might make an improvement like you say. I haven't got enough to test it. The breaker does trip on start-up sometimes, but I think that could be fixed with something as ghetto as a NTC. Or the power resistors which come with most MOTs in the mains filter section.
Registered Member #89
Joined: Thu Feb 09 2006, 02:40PM
Location: Zadar, Croatia
Posts: 3145
W00t, I tried this and the arcs are amazing! I love that crackling sound of mains in the arcs. I made a video which I can't seem to upload and took some screenshots from it.
Jan, I tried a primary shorted MOT as a ballast on the secondary and it seems to work fine. No extra caps required, although they might make an improvement like you say. I haven't got enough to test it. The breaker does trip on start-up sometimes, but I think that could be fixed with something as ghetto as a NTC. Or the power resistors which come with most MOTs in the mains filter section.
Uhh Uzzors would you *please* use a longer chicken stick? Something like meter and half at least, that looks very hazardous. Mot's look so small near those arcs.
To prevent breaker from tripping at startup use a 100..1000ohm resistor in series to run up the magnetizing current, and then short it out by a switch or relay.
Who here said that he has done this with a pole pig and got 2 meter arcs?
I'd *really* want to see some pictures or videos of that.
Registered Member #95
Joined: Thu Feb 09 2006, 04:57PM
Location: Norway
Posts: 1308
Video->
Marko wrote ...
Uhh Uzzors would you *please* use a longer chicken stick? Something like meter and half at least, that looks very hazardous. Mot's look so small near those arcs.
Yeah, I was having second thoughts about it too. But the voltage it so low that as long as I don't get an arc wrapped around my arm I'll be ok. I will look for a longer chicken stick, so you can rest easy tonight.
Plasmaddict wrote ...
Btw. I will try soon with 3+3 caps, the arcs should increase ~30-50% in length
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Resonant MOT arcs
It's great idea to use these caps. I have some MO parts laying around so afrer reading this topic I tried it too. Here's my results on youtube: 
I went around a lot of those recycle scrap yards (or how they call it), there were a lot of TVs but not a single MO.
) for equivalence of 300-400Kc each. It's a good deal becouse I can take out the magnetron and easily sell it for the same price. Then I have rest of the parts for free 
Something like meter and half at least, that looks very hazardous. Mot's look so small near those arcs.
