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IdItemDescriptionDateScreenshotData
#01 NST Transformer Neon Sign Transformer 11kV 35ma, bought on ebay 10 Jan 2014 Electric arc
Electric arc 2
#02 Voltage Divider 2 Resistors of 1 G ohm in series with multimeter (Rin=10Meg).Measure of the transformer output with no load. 318 volts means 31.800 volts! Yeah 17 Jan 2014
#03 Main Spark Gap Built-up with copper rod, 10mm diameter 5 rod 80mm long 17 Jan 2014 Spark Gap Fire 1
Spark Gap Fire 2
Spark Gap Fire 3
#04 Tank Capacitor 11nF 26000V, built up with 13 series capacitors of 150nF 2000V Cornell Dubiler 942C 20 Jan 2014
#05 NST Filter Protect NST transformer, 2x1200ohm (6x390) and 2 x 0.55 nF (26x6.8nF-630v) RC Filter 16 Feb 2014, 16 Mar 2014
#06 Safety Box Wood Box to enclose dangerous elements with forced air to cool the spark gap 16 Feb 2014 Tank Capacitor in resonance
#07 Primary Coil 9 turns of 12mm bare copper 0.8mm width. Final L will be 30uH 90x90cm wide. 2nd version 10 turns of 12mm bare copper spaced 8mm. Total dimensions 44cmx44cm 23 Feb 2014, 09 Apr 2014
#08 Secondary Coil and Top Load Only PVC support and aluminium pipe for top load. Final L will be 50cm wide 1000 turns 09 Mar 2014
#08 Wound Secondary Coil measured inductance 14.444mH at 10KHz, 32 ohms 21 Mar 2014
#09 Top Load Aluminium duct 90mm diameter, 35cm outer diameter - Aluminium duct 110mm diameter, 40cm outer diameter 24,30 Mar 2014
#10 Assembly Tesla Coil ready for resonance matching 30 Mar, 6 Apr 2014 Found 261KHz Resonance
#11 Safety Spark Gap Used to prevent High voltage coming back to NST transformer 12 May
#12 Tesla Coil ready for spark, on ground First Sparks !! 6 Apr 2014 First Spark !!

Spark at ground instead of Top Load
#13 Tesla Coil first sparks from Top load First Sparks !! 13 Apr 2014 First Spark from Top Load!! First Arc
#14 Tesla Coil first LONG sparks First LONG Sparks !! 35-40cm 20 Apr 2014 First LONG Sparks from Top Load!! LONG Sparks












Revision 18/02/2014