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4hv.org :: Forums :: Tesla Coils
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having trouble with dual 811a vttc

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Arcstarter
Mon Feb 11 2008, 11:28PM Print
Arcstarter Registered Member #1225 Joined: Sat Jan 12 2008, 01:24AM
Location: Beaumont, Texas, USA
Posts: 2253
i am having trouble with my dual 811a vttc.my plate is glowing red in 3 to 5 seconds.i am using 2 but only one gets red.if r2 is a little off would it heat up like crazy?because mine is not exact.my arc to ground is about 3-5 inches so it works alright when it is not about to burn up.my tube is a g-811.it looks EXACTLY the same as the 811a from china or u.s.and the r1's are 50 ohms and 14 winds of wire.would the increased resistance be the problem?thank you for any help you can give me.the circuit is here.
Link2
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Dr. Drone
Tue Feb 12 2008, 06:22PM
Dr. Drone Registered Member #290 Joined: Mon Mar 06 2006, 08:24PM
Location:
Posts: 1673
shades
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Arcstarter
Tue Feb 12 2008, 06:38PM
Arcstarter Registered Member #1225 Joined: Sat Jan 12 2008, 01:24AM
Location: Beaumont, Texas, USA
Posts: 2253
thank you.i never saw your site.i love those coils!!cant wait to see the freaking quad 833c!
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Arcstarter
Tue Feb 12 2008, 06:40PM
Arcstarter Registered Member #1225 Joined: Sat Jan 12 2008, 01:24AM
Location: Beaumont, Texas, USA
Posts: 2253
well these tubes are from china and are g-811.the may have a little different tuning needs....thank you!
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