Big bangs from MOT

• To: tesla-at-pupman-dot-com
• Subject: Big bangs from MOT
• From: Julian Green <julian-at-kbss.bt.co.uk> (by way of Terry Fritz <terryf-at-verinet-dot-com>)
• Date: Thu, 29 Oct 1998 07:51:23 -0700
• Approved: terryf-at-verinet-dot-com

What do you think of this for a design that allows high voltage bangs
when you only have a low voltage supply transformer.

Many coils employ multi gap static spark gaps.  So build a marks 
generator.  String a few largish capacitors up in series with 
single static spark gaps between the caps (Caps must be same
type).   Then connect each capacitor up to the supply with chokes.

NOTE: view this message with a fixed size font.

2KV--+-----------+-----------+
     (           (           (
     (           (           (
     (           (           (
  A--+--||-+-><--+--||-+-><--+--||-+--><---B
           (           (           (
           (           (           (
           (           (           (
Gnd--------+-----------+-----------+

2KV supply - MOT.  No problems with series transformers and insulation
breakdown.   For higher voltage add more caps, for higher power add 
transformers wired in parallel.

When spark gaps fire capacitors are connected in series to generate a
6KV pulse between points A and B.   (Assuming spark gaps fire at 2KV)
Connect tesla primary across points A and B, and tune up in the normal 
way.

Martin: I havn't tried your capacitors out in this configuration, yet -
perhaps 0.3uF it a bit big for a tesla coil.

Julian Green.

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