RE: [TCML] Need Help Troubleshooting My First TC

["Lau, Gary" <Gary.Lau@xxxxxx>]

Hi, umm, Hairball...

Your 15/20 NST sounds like an odd current rating.  Typically 15kV "core and coil" units come in 30 & 60 ma ratings.  Are you certain that yours isn't a solid-state (i.e. 20KHz inverter) unit?  I'm afraid that such high frequency units cannot be used in Tesla coils.  A 50 or 60 Hz HV output is required.

Regards, Gary Lau
MA, USA

> -----Original Message-----
> From: tesla-bounces@xxxxxxxxxx [mailto:tesla-bounces@xxxxxxxxxx] On
> Behalf Of Wm A Tickhill
> Sent: Sunday, March 28, 2010 3:16 PM
> To: Tesla@xxxxxxxxxx
> Subject: [TCML] Need Help Troubleshooting My First TC
> 
> I Am A Dedicated Gadgeteer With Several Projects Under My Belt ( Tebuchet -
> Babington Burner - Sundry Gadgets ) Yet I Am New To The High
> Voltage Hobby/Obsession. After Building A Jacobs Ladder, And A Plasma Globe,
> I Began My First Classic TC.
> 
> The Basic Specs
> 
> 15/20 NST  With Safety Gap
> 
> .375 Copper Electrode Adjustable Spark G
> 
> .005uF Wound Poly/Foil In 4" PVC Tank Cap
> 
> Primary Coil  12.5 Turns Of .25" Tubing With .5" Spacing Between
> 
> Secondary Coil  3.5" Diameter 18" Height With #26
> 
> Top Load  5" X 12" Toroid ( dryer duct/foil tape )
> 
> 
> MY PROBLEM >  When I Power My NST And Spark Gap Alone, It Works Well -
> Draws
> An Arc .005" To .5"  HOWEVER When I Connect It To The Primary Coil/ Tank Cap
> The Spark Gap WILL NOT FIRE. Out Of Desperation I Swapped Out The NST For
> An
> OBIT I Had, I Got The Same Result. Out Of Greater Desperation I Swapped Out
> The Tank Cap With A Grossly Underrated HID Lighting Cap, Still The Same
> Result. No Matter What I Do, If I Connect The Primary Coil/ Tank Cap, The
> Spark Gap Will Not Fire.
> 
> Any Direction, Suggestions, Information, Or Constructive Criticism Would Be
> Greatly Appreciated.
> 
> THANKS, HAIRBALL
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