“This first DRSSTC of mine evolved from the ISSTC work I had been doing at the time.” An H-bridge of 40N60 mini-brick IGBTs, a 450 nF MMC, a 6.5×21 in secondary, and 80 in point to point at 1200 W. Racing sparks set in past three times the winding length, and that pushed him to build the next one.
Schematics and photos
schematic: “DRSSTC-1 with OCD”, Rev 192, 17 Mar 2005: four 1:33 CTs, 74HC109N, paralleled UCC37321/37322, LM311 overcurrent 
DRSSTC-1 · 450n FMMC 
DRSSTC-1 · 68in 1 
DRSSTC-1 · 68in 2 
DRSSTC-1 · 68in 3 
DRSSTC-1 · 68in 4 
DRSSTC-1 · 68in 5 
DRSSTC-1 · 68in 6 
DRSSTC-1 · 72in 1 
DRSSTC-1 · 72in 2 
DRSSTC-1 · 72in 3 
DRSSTC-1 · 72in 4 
DRSSTC-1 · 72in 5 
DRSSTC-1 · CTs 1 
DRSSTC-1 · Doubler 1 
DRSSTC-1 · Doubler 2 
DRSSTC-1 · GDT1 
DRSSTC-1 · MMC1 
DRSSTC-1 · MMC2 
DRSSTC-1 · Bridge 1 
DRSSTC-1 · Bridge 2 
DRSSTC-1 · Ingarden 
DRSSTC-1 · Nwrelec 1 
DRSSTC-1 · Nwrelec 2 
DRSSTC-1 · Nwrelec 3 
DRSSTC-1 · Nwrwhole 1 
DRSSTC-1 · Primary 1 
DRSSTC-1 · Corona 
DRSSTC-1 · Sparks 1 
DRSSTC-1 · Sparks 2 
DRSSTC-1 · Strike 
DRSSTC-1 · Spark 1 
DRSSTC-1 · Spark 2 
DRSSTC-1 · Spark 3 
DRSSTC-1 · Spark 4 
DRSSTC-1 · Spark 5 
DRSSTC-1 · Spk 1 3 16 
DRSSTC-1 · Spk 10 3 16 
DRSSTC-1 · Spk 11 3 16 
DRSSTC-1 · Spk 12 3 16 
DRSSTC-1 · Spk 2 3 16 
DRSSTC-1 · Spk 3 3 16 
DRSSTC-1 · Spk 4 3 16 
DRSSTC-1 · Spk 5 3 16 
DRSSTC-1 · Spk 6 3 16 
DRSSTC-1 · Spk 8 3 16 
DRSSTC-1 · Spk 9 3 16 
DRSSTC-1 · Spun 1 
DRSSTC-1 · Wholecoil 1
Sources
This is the card from the driver tree, written from what the builder published. Send corrections through the forum.