Re: [TCML] MAX SPARK FOR FIXED VOLTAGE

["Dex Dexter" <dexterlabs@xxxxxxxxxxx>]

Stretching the arcs in that way (jacob's ladder) is a completely different thing than pumping them through the free air.
So you think that a 100 kV Tesla transformer type of device shooting 10 ft long spark in the air is a real possibility?

Dex 

--- jimlux@xxxxxxxxxxxxx wrote:

From: jimlux <jimlux@xxxxxxxxxxxxx>
To: Tesla Coil Mailing List <tesla@xxxxxxxxxx>
Cc:
Subject: Re: [TCML] MAX SPARK FOR FIXED VOLTAGE
Date: Thu, 12 Mar 2009 20:40:22 -0700

Dex Dexter wrote:
> Bert,I think you understood ,almost completely,my question.
> The essence of the question is giving higher and higher number of
> pulses per second WITH SAME BANG ENERGY to Tesla coil and see how 
> spark grow.With quite a big topload capacity the peak voltages will
> be about same after each bang (actually they will decrease a little).
> At what PPS rate sparks stop to grow longitudinally given output voltage?
> 3000 PPS?
> 4000 PPS?
> 5000 PPS?
> More?
> 
> There must be a limit for spark lenght given optimum HF excitation for each voltage level.
> To clarify my question to the others.
> My question is NOT power efficiency related.Since folks like numbers I'll give an example.
> If necessary use 100 kW DRSSTC and 10000 PPS to reach 10 feet with a big coil ,but with only ~100 kV output peaks.
> I'm quite certain spark of such lenght can't be produced with 100 kV,no matter how much power used.
>   
>   

Hmm. why are you "quite certain".. the questions you're asking are good 
ones, but indicate that you don't have a background in spark physics, so 
what you're really saying is "you have a gut feel, but can't back it up 
with analysis".. which is just fine..

For myself, I don't know that I'd make a such a statement. I've seen 10 
foot long sparks from a 60kV or so source (as have thousands of other 
people at the Deutsches Museum), so clearly, with sufficient power, one 
can draw an almost continuous spark that long (it's a big high power 
jacob's ladder).  I've also done "drawn arcs" close to a foot long with 
a 15kV supply, so I don't see 100kV 10foot arcs being out of the 
question with the right setup.

http://www.luxfamily.com/travel/austria/images/dm2.jpg
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