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Re: disruptor coil (was electrolytic caps)



Original poster: "R Heidlebaugh by way of Terry Fritz <twftesla-at-qwest-dot-net>" <rheidlebaugh-at-zialink-dot-com>

on 10/28/01 8:54 PM, Tesla list at tesla-at-pupman-dot-com wrote:

> Original poster: "Michael H Nolley by way of Terry Fritz
<twftesla-at-qwest-dot-net>"
> <nolleym-at-willamette.edu>
> 
>> 
>> Telsa indicated that a disruptor coil could be used in the place of a spark
>> gap to create a disruptive discharge.
> 
> The disruptive discharge coil was Tesla's early attempt at an air core
> resonator.  It also used a spark gap, or an high frequency alternator, as you
> said.  Tesla's particular design may have permitted the use of the alternator
> instead of the spark gap, but the coil itself wouldn't have replaced it.
> However, there are ways to use mechanical interrupters in place of
> spark gaps
> for use on lower frequency coils such as ignition coils.  The output tends
> to be
> very iffy, but it works.  This is how I got started in hv--I wired an
> electromechanical buzzer in series with a battery and a low voltage
> transformer
> wired backwards.  The contraption managed to get me sent to the principal's
> office
> after I showed it off in the halls of my middle school.
> --Mike
> 
> 
> 
> 
>> For those not familiar with this device
>> a diagram of the coil can be found in the book "Research writeings and
>> inventions of Nikola Tesla" by Martain. This book was available through
>> Barnes and Noble. Basically a disruptor coil consists of two coil pairs
wound
>> on a wooden dowle and suspended in oil. From memory, a heavy guage wire is
>> wound on the bottom (next to the dowle) and a smaller guage coil is wound
>> over the top of the larger guage coil. This is repeated on the opposite end
>> of the dowle. (As in a Tesla coil, the coils are not physically connected.)
>> According to the book, this produces a disruptive discharge. Tesla used the
>> coils in his experiments with carbon buttons also mentioned later in the
>> book. My readings also indicate the disruptor coil may have been attached to
>> a 480 pole generator to produce a high frequency.
>> Paul
> 
> 
> 
Before the days of solid state rectifiers on edison cell batteries a
mecanical rectifier was used. It had a horse shoe magnet a coil and a read
vibrator/points. The neg side AC repelled the points and the POS side of the
AC closed the points producing 1/2 wave DC. These and copper oxide
rectifiers were common on wind mill generators across the prairie. The
disrutror coil of tesla later became the magnetic amplifier  used on
hi-power controls today.
    Robert H