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Car ignition coil driven by "Mates" circuit

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LAN_403

Mates

Sat Sept 29 2007, 12:01PM

Registered Member #1025 Joined: Sun Sept 23 2007, 07:53PM
Location: Czech Rep.
Posts: 566

Hi HV freaks,
I've posted circuit scheme for fly-back few days ago, now I connected the same circuit to a car ignition coil. The coil is inside a coke botle filled with normal cooking oil...
This time the TVS are becoming pretty hot after 20s of operation (this is not happening while driving the fly-back). There must be horrible pikes induced in the primary. I think that with sufficient cooling of the TVS this could be simple and efficient way of driving ignition coils easilly reaching voltages over 50KV. Any questions and comments welcomed...

Operation freq: 6KHz

Cheers Mates

Mates

Sat Sept 29 2007, 12:25PM

Registered Member #1025 Joined: Sun Sept 23 2007, 07:53PM
Location: Czech Rep.
Posts: 566

one more picture...

Zum Beispiel

Sat Sept 29 2007, 03:08PM

Registered Member #514 Joined: Sun Feb 11 2007, 12:27AM
Location: Somewhere in Pirkanmaa, Finland
Posts: 295

Pretty nice arcs from a single coil. You should try driving two in antiparallel.

But please don't use a lighter as a measure for the spark lenght: "Zap, Whoosh/BOOM!"

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