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Re: primary INSIDE of secondary?



Original poster: "boris petkovic by way of Terry Fritz <teslalist-at-qwest-dot-net>" <petkovic7-at-yahoo-dot-com>


Hi Justin,
 >
 > Spark-gap type coils will work with the primary
 > inside the secondary.
 > How well they will work, depends on the coupling and
 > how much
 > insulation is between the two coils. Too much
 > coupling is generally a
 > bad thing: it can cause "racing arcs" and poor
 > efficiency/short
 > sparks.
 >
---
Higher coupling is desireable in all TC systems for
better efficiency.The only question is how geometry
and insulation can withstand E-field stress without
letting the discharge where one doesn't want to (ie.
flashover primary-secondary,racx sparks etc.)

regards,
Boris