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4hv.org :: Forums :: Tesla Coils

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primary cap question

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LAN_403

lokeycmos

Sun Oct 23 2011, 07:26PM

Registered Member #2553 Joined: Fri Dec 18 2009, 01:36PM
Location: St Cloud Minnesota
Posts: 97

im using software called teslamap to design my SGTC coil. if you look at the pic youll see that it says optimum resonance cap is 5.3nF. and it also says optimum LTR static cap is 8.6nF. im a little confused. i had a 12nF bucket cap and when i saw that it should be 5.3nF i opened up the oily mess and cut wires to make it a 5.6nF. could someone please explain what the 2 values mean? i hope i dont need 8.6nF cause its too late to redo my bucket cap.

Dr. ISOTOP

Mon Oct 24 2011, 12:43AM

Registered Member #2919 Joined: Fri Jun 11 2010, 06:30PM
Location: Cambridge, MA
Posts: 652

You should use 8.6 nF; 5.3 nF causes transformer destruction.

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