I think the Duty cycle of the timer chip needs to be higher and you can't use a 2n3055 a IRFP450/60 will do the job.
Look at this site it will explain how the circuit works. (Don't copy the circuit off that site you will get a voltage way higher than what you need, reduced duty cycle on the sites circuit would fix that problem).
Other than that the TC circuit looks fine. (Maybe I wouldn't ground the TC to my circuit).
I think the Duty cycle of the timer chip needs to be higher and you can't use a 2n3055 a IRFP450/60 will do the job.
Look at this site it will explain how the circuit works. (Don't copy the circuit off that site you will get a voltage way higher than what you need, reduced duty cycle on the sites circuit would fix that problem).
Other than that the TC circuit looks fine. (Maybe I wouldn't ground the TC to my circuit).
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coil with isolating inductors feeding energy to the spark gap.
- I don't see kickback protection for the power NPN
- Or a 470uF across the source 12VDC power.
- The door bell is a poor switch.
- I would tie the ignition coil ahead of the bell switch.
- And move the ground connect to the NPN emitter to avoid upsetting the 555 with a ground loop.
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Is there a precedent for that design of HV driver?
What coil structures, chokes, capacitors and SG do you propose to use?
L
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