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Registered Member #5208
Joined: Thu Jun 07 2012, 06:12PM
Location:
Posts: 86
Thx Ash, this worked better than capacitor. Still, tube emits X-rays, but they won't light up the screen. I think they are of sufficient energy, but there is simply not enough of them. HV regulates the energy in keV, and filament regulates the flux?
Registered Member #5208
Joined: Thu Jun 07 2012, 06:12PM
Location:
Posts: 86
I have an idea; I will place a voltage doubler between dimmer and iggy coil. Would this increase the output voltage? Or would this interfere with chopped up sine wave of the dimmer (triac)?
Registered Member #5208
Joined: Thu Jun 07 2012, 06:12PM
Location:
Posts: 86
Today I finally got proper, clear radiographs, with about 90kv from dual ignition coil and 50uF capacitor, 2C2S (similar to 2X2A). I'd be happy if not the fact that while I was searching for some target relay failed and it started to emit x rays. I don't know for how long it worked before I noticed but certainly more than one minute. What can I expect? I'm kind of worried...
Registered Member #5208
Joined: Thu Jun 07 2012, 06:12PM
Location:
Posts: 86
I have no way to determine tube current, but I think it's about 5-10mA, it's a rough estimate. Distance was more or less 50cm. I guess the dose received was not more than 50mSv, and interwebs say leukemia risk increases above 100mSv but still, this was not particularly healthy.
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Driving X-Ray tube with ignition coil.
