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4hv.org :: Forums :: Tesla Coils
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Faulty Tesla Coil

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Weston
Sun Apr 06 2008, 09:16PM Print
Weston Registered Member #1316 Joined: Thu Feb 14 2008, 03:35AM
Location: Cambridge, MA
Posts: 365
I have built a small spark coil Tesla Coil that will randomly stop at times. It has a car spark plug for the primary. When I try to power enclosed spark plugs for ozone production off the secondary it fires for one cycle and I get one spark, then the coil just stops and the primary spark gap stops firing. Even if i disconnect the tube the coil is still of. To get it working I have to unplug the coil and plug it in again. Has anyone ever experienced this before?
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MOT_man
Mon Apr 07 2008, 02:07AM
MOT_man Registered Member #1127 Joined: Mon Nov 19 2007, 12:08AM
Location:
Posts: 139
Yep... but my issue what that my trannie was drawing 2 kW from a 1.8 kW outlet -- my gap was too close as well. So, my guess is that you are running spark plugs for the gap - right? bad Idea - they have internal resistors that can't handle high current loads. They will lower the voltage in gap as well. So get some brass bolts and make a gap and watch the difference. What types of caps are you using - what does your coil look like as well? Any pics?
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Myke
Mon Apr 07 2008, 06:23AM
Myke Registered Member #540 Joined: Mon Feb 19 2007, 07:49PM
Location: MIT
Posts: 969
A NST with a built in GFI? You may want to remove it then if that's what causing the trouble.
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Weston
Tue Apr 08 2008, 12:03AM
Weston Registered Member #1316 Joined: Thu Feb 14 2008, 03:35AM
Location: Cambridge, MA
Posts: 365
This coil runs of of DC and uses an ignition coil. The cap is about 200 pf.
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