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Re: [TCML] Neon Sign Transformers-Recommendations.



Matt,

Thank you very much for your advice; especially since I was contemplating
a modern light weight NST.

Regards,

RDP. 
On Thu, 31 Jul 2014 21:02:16 -0400 (EDT) mddeming--- via Tesla
<tesla@xxxxxxxxxx> writes:
> Hi RD,
> 
> 
> There are two parameters to consider for and NST 1) Voltage, 2) 
> Current.
>  Since E x I = P this determines the maximum power available and 
> thus the size of the coil that can be driven. Since the maximum 
> width for a spark gap is nominally 0.5mm / KV  a lower voltage 
> transformer will require more critical adjustment. (7kV~=3.5 mm Max) 
> unless yoou use a voltage doubler circuit.
> Over the years (50+) I have used Alanson, Franceformer, and Actown 
> NSTs with reasonable results. You will want to get "Old-style" NSTs 
> that weigh about "2 hernias". The modern lightweight ones use either 
> higher frequency circuits, or are full of fault detection equipment 
> that renders them useless for TCs.
> 
> 
> Check the list archives for details and discussion.
> 
> 
> Matt D.
> 
> 
> -----Original Message-----
> From: rd_parker <rd_parker@xxxxxxxx>
> To: tesla <tesla@xxxxxxxxxx>
> Sent: Thu, Jul 31, 2014 8:08 pm
> Subject: [TCML] Neon Sign Transformers-Recommendations.
> 
> 
> Gentlemen,
> 
> I am quite new to the hobbie, for lack of a better word, known as 
> Tesla
> Coil design.  I am running some of my own calculations based upon
> personal and collective analysis of those much smarter than I. 
> However, I
> would appreciate if any of you have any recommendation for NST's, 
> i.e.,
> manufacturer, quality, etc.  I am afraid my research so far is so
> sketchy, and I have not even a voltage to work with. However, I am
> assuming that a single NST around 7000 volts and above will be an
> adequate source of voltage to work from. Any help you can provide 
> would
> be much appreciated.
> Regards, RDP, Bellflower, CA.
> 
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