Re: Why am I getting small sparks? Am I underpowered? (fwd)

["Tesla list" <tesla@xxxxxxxxxx>]

---------- Forwarded message ----------
Date: Fri, 10 Aug 2007 18:13:56 -0500
From: Drake Schutt <drake89@xxxxxxxxx>
To: Tesla list <tesla@xxxxxxxxxx>
Subject: Re: Why am I getting small sparks? Am I underpowered? (fwd)

Don't set your spark gap too wide or you can kill (over volt) your
transformer.  The sound from your caps is them telling you that you're
stressing them.  I went down to my local junk store and bought a 20A vacuum
cleaner for $20 and used the motor from that.  You can improvise some sort
of plastic hose to fit in the motor's intake and put the end of it right on
your spark gap.  You'll certainly never over heat your spark gap!

good luck
drake

On 8/10/07, Tesla list <tesla@xxxxxxxxxx> wrote:
>
>
> ---------- Forwarded message ----------
> Date: Fri, 10 Aug 2007 22:28:37 +0000
> From: Trevor Keast <trevor_keast@xxxxxxxxxxx>
> To: Tesla list <tesla@xxxxxxxxxx>
> Subject: RE: Why am I getting small sparks? Am I underpowered? (fwd)
>
> Thanks for the comments.  I am currently using two threaded rods as the
> spark gap.  I have no fan or anything like that at present.  I did make a
> quite elaborate multi gap spark gap out of about 7 short lengths of copper
> pipe.  Strangly enough, when i use this spark gap I get no sparks from the
> top load whatsoever and the sparks going across this spark gap seem quite
> tame in comparison to the single spark gap.
>
> If I open up the single spark gap too much it start setting of some rather
> alarming pops and banks in my beer bottle capacitor bucket and I have no
> idea what that is happening!!  It scares me.
>
> Trevor
>
>
>
> > Date: Fri, 10 Aug 2007 16:04:57 -0600> From: tesla@xxxxxxxxxx> To:
> tesla@xxxxxxxxxx> Subject: Re: Why am I getting small sparks? Am I
> underpowered? (fwd)> > > ---------- Forwarded message ----------> Date: Fri,
> 10 Aug 2007 16:53:21 -0400> From: Rich Winders <rwinders_3@xxxxxxxxxxx>>
> To: tesla@xxxxxxxxxx> Subject: Re: Why am I getting small sparks? Am I
> underpowered? (fwd)> > > i had the exact same problem as you did with spark
> length.. and what i> did i was exactly as chiris said .. try varying the
> distance between the> electrodes.. this will send a diffrent amount of
> charge to your tank> capacitor but if you change that value enough your also
> going to through> of your tuning so good luck! ... what kind of arrangement
> are you using?> Eg nuts and bolts ... or copper pipes or are you using
> roatating spark> gap?> >
> ________________________________________________________________________________>
> > From: "Tesla list" <tesla@xxxxxxxxxx>> To: tesla@xxxxxxxxxx> Subject:
> Re: Why am I getting small sparks? Am I> underpowered? (fwd)> Date: Fri, 10
> Aug 2007 13:54:37 -0600 (MDT)> >> >---------- Forwarded message ---------->
> >Date: Fri, 10 Aug 2007 15:48:34 -0400> >From: Crispy <crispy@xxxxxxxxxxx>>
> >To: Tesla list <tesla@xxxxxxxxxx>> >Subject: Re: Why am I getting small
> sparks? Am I> underpowered? (fwd)> >> >What are the details on your spark
> gap? I made a similar> coil, and had> >a similar problem. When I changed the
> fan to quench the> spark gap to a> >more powerful one, spark length improved
> from around 6" to> around 4' .> >> >Chris> >> >On Fri, 2007-08-10 at 12:54
> -0600, Tesla list wrote:> > > ---------- Forwarded message ----------> > >
> Date: Fri, 10 Aug 2007 18:38:35 +0000> > > From: Trevor Keast <
> trevor_keast@xxxxxxxxxxx>> > > To: tesla@xxxxxxxxxx> > > Subject: Why am I
> getting small sparks? Am I> underpowered?> > >> > > Hi Guys,> > >> > > I
> managed to reach 'first light' with my coil last night> however I was unable
> to get the spark length that I was> hoping for and feel I may be
> underpowered.> > >> > > A basic overview of my coil is as follows:> > >> > >
> 6 inch secondary diameter> > > 24 inch secondary length> > > approx 900
> windings on secondary (24 AWG magnet wire)> > > 13 Turns on primary made
> from 1/4 copper tube> > > static spark gap> > > beer bottle cap (14
> bottles)> > > 15,000V 30mA NST> > > 4 inch dryer tube toroid (approx 12in
> diameter)> > >> > > I tuned it as best I could but was unable to get sparks>
> bigger than about 6 inches. They were also quite dim and> could hardly be
> seen unless in the dark.> > >> > > I am wondering if I am underpowered? How
> can I improve> spark length?> > >> > > I greatly appreciate any advice or
> comments.> > >> > > Regards,> > >> > > Trevor.> > >>
> _________________________________________________________________> > > Feel
> like a local wherever you go with BackOfMyHand.com> > >
> http://www.backofmyhand.com> > >> > >> >> >> >> > >
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