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Registered Member #2865
Joined: Tue May 18 2010, 10:59AM
Location: persia
Posts: 37
Hi javaTC told i need 7 turns .but i have 17 turns . if i do as picture can i have just 7 turns . about pic: I'll connect a wire to inner side of primary and the other wire to 7th turn with these description is there any electricity in rest of primary ?
(javatc is making me nervous . it always changes my primary .
Registered Member #135
Joined: Sat Feb 11 2006, 12:06AM
Location: Anywhere is fine
Posts: 1735
electric diving board???!!??
Of course! Any un-connected turns of your primary form an autotransformer! Particularly large primaries can cause large arcing issues if you are tapped at the midpoint and are not running efficiently aka wasting power in the primary tank because its not being absorbed by the secondary.
Registered Member #1902
Joined: Fri Jan 02 2009, 07:59PM
Location: Lancaster, NY
Posts: 75
I believe the top left one would be best for your current configuration, however there will still be a ton of RF energy being coupled back into your nst. Without proper filtering your nst will not live very long I would highly recommend a terry filter with a safety gap. Even without the filter you must set your safety gap to fire under normal conditions(i.e. nothing connected to your secondary). And if all goes to plan you should have a functioning circuit.
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Need idea for SGTC
