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[Fwd: Spark gap not firing]



Original poster: "Barton B. Anderson by way of Terry Fritz <twftesla-at-uswest-dot-net>" <tesla123-at-pacbell-dot-net>

  

"Barton B. Anderson" wrote: 
>
> Ralph, All, 
>
> Tesla list wrote: 
>>
>> Original poster: "by way of Terry Fritz <twftesla-at-uswest-dot-net>"
>> <Parpp807-at-aol-dot-com> 
>>
>> In a message dated 2/4/01 1:45:26 PM Central Standard Time, tesla-at-pupman-dot-com
>>
>> writes: 
>>
>> << Original poster: "Barton B. Anderson by way of Terry Fritz 
>> <twftesla-at-uswest-dot-net>" <tesla123-at-pacbell-dot-net> 
>>
>> Hi Bart, Michael, All, 
>>
>> Gentlemen, Gentlemen, please: 
>>
>> We have here a prime example of the frailties of ASCII...it sucks! 
>> A simple diagram is all that is needed. 
>> I refer my myself and all interested to page 5-4 of John Couture's, 
>> Tesla Coil Construction Guide, and page 14 of Brent Turner's, Tesla Coil
>> Book 
>> which has the same schematic.
>
> This was an older method of connecting. Yes, it will work. But, it is not the
> best connection method. The archives are full of discussions on this topic. 
>>
>> The capacitor is in parallel with the NST. One side of the capacitor goes to
>>
>> the SG and to one side of the NST. The other side of the SG is connected to 
>> one side of the primary. The other side of the primary returns to the common
>>
>> side of the capacitor and the NST. 
>> Again: One side of the NST is connected to the capacitor and one side of the
>>
>> primary. The other side of the NST goes to the other side of the capacitor, 
>> and one 
>> end of the SG. The other end of the SG goes to the other side of the
>> primary.
>
> You have described a cap parallel to the NST (twice). But this circuit allows
> full RF back at the transformer as previously stated. Both connection methods
> are well known. See link to Terry's paper at bottom of this post. 
>>
>> Bart, perhaps you are referring to the safety gap which is shown in John 
>> Couture's 
>> diagram. Perhaps Michael was referring to a safety gap, in which case I am 
>> the one who is confused...a not-at-all infrequent happening. I have never
>> used 
>> a RSG. Is it connected any differently than a static SG?
>
> Nope, I'm refering to the gap being placed across the NST. Here's a link to
> another one of Terry's excellent papers on subject. Also, there is no
> difference in connection between static or rsg. 
>
> 
> <http://hot-streamer-dot-com/TeslaCoils/MyPapers/primarycircuits/pricir.html>h
> ttp://hot-streamer-dot-com/TeslaCoils/MyPapers/primarycircuits/pricir.html 
>
> Take care, 
> Bart 
>   
>>
>> Happy day, 
>> Ralph Zekelman
>