some of the really small coils on
I decided to have another go at a small SGTC.
Secondary: About 350T of 0.07mm
enamelled copper wire on a 5x20mm diameter acrylic former.
4T 0.9mm enamelled copper wire.
Topload: Two Screw cups
Primary Cap: 4x1nF in series making
a 4kv 250pF
Spark Gap: A single 10mm long gap made
from 0.9mm wire, spaced about 0.7mm apart.
Power: The PSU I made for Tiny Tess
|15mm Arc to a peice of 12mm
Breakout to air from the edge of the two
| 15mm arc to a compass point.
I thought that
since I was making small coils I'd have a go at a few other types.
This one is a bi-polar coil.
4.5T .9mm enamelled copper wire 8mm in
of 400T 0.07mm enamelled copper wire on 5mm
Primary Cap: 500pF
Spark: Gap 13mm.
Click Picture for a
power on view.
And a Magnifier.
3.5T .9mm enamelled copper wire 8mm in
Secondary: 15mm of 150T 0.125mm enamelled
copper wire on 5mm former.
20mm of 350T 0.07mm enamelled copper wire on 5mm
Not too happy about the
power out of this coil, It is a bitch to tune, It some times gives 15mm
arcs, and at other times it dosent and I dont know exactly why, probably
something to do with the spark gap..
Click Picture for a power on view.
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Tesla Coils and High Voltage