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You're correct that it is important for a staccato shot to begin
near the mains zero.  As far as I know, everyone's staccato
controller works this way, but it's possible some misfirings can
occur at times due to RF interference.  Nevertheless I know
from my own work that there's more involved than just beginning
a shot at the mains zero area.  I've posted on this list on this
issue over the years.

Yes, in some cases two straight sparks occur.  Again it's
unknown exactly why this occurs.  It can be very sensitive to
input power.  just raising the power slightly can cause this
type of branching to occur, at least intermittently.  Of course
the increased power may affecting something else, thereby
causing the splitting of the spark.

In general the branching seems to be affected by quite a few
factors.  Then there's the issue of straight vs. fuzzy sparks, this
is also affected by various factors.

It will be all sorted out in time   :)


-----Original Message-----
From: Frosty <frosty90@xxxxxxxxx>
To: Tesla Coil Mailing List <tesla@xxxxxxxxxx>
Sent: Sun, Aug 23, 2009 8:14 pm
Subject: Re: [TCML] GU5B VTTC


My reasoning would be that if a single staccato 'shot' begins when the mains
waveform is near 0, then the rf envelope has a smooth rise, which would
create a straight spark, as has been observed in solid state coils. (so the
overall appearance would depend on how any one particular staccato
controller worked) But what about the ones where the spark is branched, but
each branch is straight?!


sword sparks vs. branched sparks.  I noticed your sparks occasionally
form the single sword spark. Usually there's some branching in your
in this video.  Both ways are nice effects.  I know some of the
factors that produce this branching, but not all.  Research continues.


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