Re: TC Spark Energy

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Dr. Resonance" <resonance-at-jvlnet-dot-com> 



Perhaps we can all supply John with some data from each of our coils and he
could do a tabulation and find an average or statistical value.

Dr. Resonance

 >
 >
 > For over twenty years the coilers on the List have used output spark
length
 > to compare their coils. The input is usually shown as a total input watts.
 > The problem is that this does not give the coiler any indication of the
 > actual energy per spark to give a true comparison of Tesla coils. To my
 > knowledge no coiler (see below) has ever determined the TC input energy
 > (joules) per spark for these comparisons. Do any coilers know how this
could
 > be best accomplished?
 >
 > The overall engineering efficiency is represented by
 >
 >     Percent efficiency = 100 x Spark Length/Input Energy (joules)
 >
 > The spark length could be in centimeters, inches, etc, and the input
energy
 > in joules or watt-seconds. The energy in the spark output is a complex
 > parameter so would have to be a compromise. In past postings the
approximate
 > losses in the TC system have been determined and the characteristics of
the
 > spark have been estimated. The preliminary tests I have made gave  8.5
 > inches (21.59 cm) per joule of input energy. Has any other coiler made
these
 > tests?
 >
 > John Couture
 >
 > --------------------------------
 >
 >
 >