Re: 44 inches with 450 watt NST

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

Original poster: "Brian by way of Terry Fritz <teslalist-at-qwest-dot-net>" <ka1bbg-at-webryders-dot-net>

Hi, my 9kv 60 ma coil with a measured input of 550 watts will hit 42 inches
which is real close to John's formula. cul brian f.
----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Saturday, March 08, 2003 2:59 PM
Subject: Re: 44 inches with 450 watt NST


 > Original poster: "Barton B. Anderson by way of Terry Fritz
<teslalist-at-qwest-dot-net>" <classictesla-at-netzero-dot-com>
 >
 > Hi Captain,
 >
 > The NST is modified.  John's spark length equation has to do with inputs
 > watts at the wall, not the NST rating.
 >
 > Nolan mentions current bouncing between 8 and 13 amps. Just using the 8A
 > value we have 960W.
 > 1.7 x sqrt(960) = 52.7 inches.
 > 13 amps is 67 inches.
 >
 > Don't get me wrong, I think Nolan's coil is doing well at 44".
 > Nolans performance is 1.42 x sqrt(960).
 >
 > ps. don't you like the word "performance" used rather than
"efficiency"?<grin>
 >
 > Take care,
 > Bart
 >
 >
 > Tesla list wrote:
 >
 > >Original poster: "by way of Terry Fritz <teslalist-at-qwest-dot-net>"
 > ><dhmccauley-at-spacecatlighting-dot-com>
 > >
 > >Wow.  44 inches.  That blows the John Freau spark length formula out of
the
 > >water.
 > >And to think you did it with a 7.5kV/60mA transformer.
 > >Do you have any pictures of this coil in action???
 > >
 > >The Captain
 >
 >
 > ><Nolan wrote>
 > > > Transfromer
 > > > Depotted Fance modified for matching to the capcitor, Some of the
shunts
 > > > were removed, and i actualy submerged and soaked the tran in
semi-gloss
 > > > polyurathane then let dry several times
 > > > I out=87.8mA
 > > > When the tesla coil is runing the amp meter waves backanforth between
 > > > 8-13amps
 > > >
 >
 >
 >
 >
 >
 >
 >