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Re: Capacitor Help
Original poster: "MalcolmTesla" <tesla@xxxxxxxxxxxxx>
Bart,
Thanks for clearing that up. I have a two terminal hookup on my NST so I'll
have the three gap safety gap. The only think I wasn't to sure about below
is what you are calling a tranny? Is a tranny the power source, like an NST
or similar?
Thanks
Malcolm - KC
----- Original Message -----
From: "Tesla list" <tesla@xxxxxxxxxx>
To: <tesla@xxxxxxxxxx>
Sent: Saturday, December 17, 2005 2:52 PM
Subject: Re: Capacitor Help
> Original poster: "Barton B. Anderson" <bartb@xxxxxxxxxxxxxxxx>
>
> Hi Malcolm,
>
> The cap should be in series with primary.
> The sparkgap and safety gap are parallel to the transformer.
> That is what "I" should have shown (my fault) and is the preferred
> method among most list members.
>
> The 3 terminal vs. 2 terminal safety gap confusion is due to the type
> of hookup used. The tranny floating or not is the key difference.
>
> For reference, so you understand my hookup, here is how I do it:
> (view with fixed width font)
>
> I tie one side of the tranny to RF ground (not floating).
> The inner primary turn is at RF ground and at the same potential as
> the bottom secondary.
> Requires only 1 HV feed.
> Requires only 2 terminal safety gap.
>
> sparks <------ Top
> Terminal ------> sparks
> S
> e
> c
> o
> hv side n
> xfmr >---|---------- cap ----------- primary ------| d
> |-------------------------O sparkgap O----| a
> |------------------------O safety gap O---| r
> RF Gnd | y
> xfmr >----------------------------------------------|--------------
> xfmr >----------------------------------------------|---------------> RF
ground
>
>
> Here is the 3 terminal setup.
> Tranny outputs float at their respective voltages.
> Requires 2 hv feeds.
> Requires 3 terminal safety gap.
>
> sparks <------ Top
> Terminal ------> sparks
> S
> e
> c
> xfmr >----------------------------------------------| o
> xfmr >----|---------- cap ----------- primary ------| n
> |-------------------------O sparkgap O----| d
> |------------------------O safety gap O---| a
> O r
> Rf Ground >--------------------------------|------------------------> y
>
>
> Both circuits perform the same function.
> Both circuits have the same safety's built in.
> I hope that helps clear up some confusion.
>
> Take care,
> Bart
>
> Tesla list wrote:
> >Original poster: "MalcolmTesla"
> ><mailto:tesla@xxxxxxxxxxxxx><tesla@xxxxxxxxxxxxx>
> >
> >Bart would this diagram be more accurate?
> >
> >cap <-----O spark gap O-----> primary
> > | |
> > | <-----O O O-----> |
> > |
> > RF Ground
> >
> >Not sure if that will come out right but the safety gap is wired in
parallel
> >with the spark gap except the safety gap has three terminals and the
middle
> >one goes to RF ground.
> >
> >Thanks
> >Malcolm - KC
> >
> >----- Original Message -----
> >From: "Tesla list" <mailto:tesla@xxxxxxxxxx><tesla@xxxxxxxxxx>
> >To: <mailto:tesla@xxxxxxxxxx><tesla@xxxxxxxxxx>
> >Sent: Friday, December 16, 2005 10:19 PM
> >Subject: Re: Capacitor Help
> >
> >
> > > Original poster: "Barton B. Anderson"
>msnip...