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First Light- "I want bigger sparks!"



Original poster: "Jake Draper by way of Terry Fritz <twftesla-at-qwest-dot-net>" <cybermecium2-at-home-dot-com>

Hello List,
    I just finished my 3.5"X12" Tesla Coil and I am getting about 8-12" sparks
from it. I am pleased with the output but I think it could do better. Some of
you get 5' arcs and more but a 12" spark really looks great. I might just be
saying that because I've never seen anything better. Anyways, here are the
specs to my coil:
 
   1) Transformer is a Franceformer 15/60
   2) Capacitors are 2 wine bottles and 2 beer bottles
   3) Spark gap is 5 gaps spaced 1/16" apart (static gap, copper tubes)
   4) Primary is 15 turns of #8 AWG bare copper wire, tunes at about 12.75
turns
   5) Primary coupling to secondary is, well the secondary is connected to the
primary (see          Tesla vd. Oudin thread)
    6) Secondary is 3.5" ABS wound with 27AWG Magnet wire, 12" winding length
    7) I have a few different toploads but the one that I get the best results
with is a metal bowl.
    
I want to know what I can do to make the sparks even longer. I think I need
more capacitance and a bigger gap. Any information is appreciated, thanks,
    -Jake
    <mailto:cybermecium2-at-home-dot-com>cybermecium2-at-home-dot-com
    http://taradev.cjb-dot-net
    
 
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