“While this is actually the 4th DRSSTC I have constructed, I'm calling it the .5 to signify its very small stature.” Interrupter on-time swept from 1 to 120 µs to set the streamer length instead of a variac. Loneoceans traces his own DRSSTC 1 back to this coil through Dan McCauley's MicroBrute.
Schematics and photos
DRSSTC-.5 · 2spark 1 
DRSSTC-.5 · 2spark 2 
DRSSTC-.5 · 2spark 4 
DRSSTC-.5 · 2spark 6 
DRSSTC-.5 · 2spark 7 
DRSSTC-.5 · 2spark 8 
DRSSTC-.5 · DRSSTC .5sch 
DRSSTC-.5 · Bridge 2 
DRSSTC-.5 · Interrupter 
DRSSTC-.5 · Newprimary 
DRSSTC-.5 · Plexi 1 
DRSSTC-.5 · Plexi 2 
DRSSTC-.5 · Spark 1 
DRSSTC-.5 · Spark 10 
DRSSTC-.5 · Spark 2 
DRSSTC-.5 · Spark 3 
DRSSTC-.5 · Spark 4 
DRSSTC-.5 · Spark 5 
DRSSTC-.5 · Spark 6 
DRSSTC-.5 · Spark 7 
DRSSTC-.5 · Spark 8 
DRSSTC-.5 · Spark 9 
DRSSTC-.5 · Wholecoil
Sources
This is the card from the driver tree, written from what the builder published. Send corrections through the forum.