Re: [TCML] Toroid Proportions

[Futuret <futuret@xxxxxxx>]

If you know the expected spark length, then the toroid diameter should usually
be about 1/4 to 1/3 the spark length.  for example if you expect the coil to
produce 10 foot sparks, then a 30" or 34" toroid should work well.  Of course
the coil will need to be able to process and withstand sufficient power to 
produce 10 foot sparks.  

Possibly high break rate coils can tolerate a slightly smaller toroid than
lower break rate coils for a given input power and spark length.  I wanted to
do some better experimentation on this issue but never got around to it.  
However a low break rate will probably give longest sparks for a given input
power.  

The toroid size for a given coil will determine how many simultaneous
spark streamers are produced.  The largest usable toroids will produce
a single streamer.  A smaller toroid will give a greater number of streamers,
but they will tend to be somewhat shorter.    

I came up with some other rules of thumb for toroid sizing but I don't have
them handy. 

Cheers,
John

 

 


 

 

-----Original Message-----
From: Cole Awesome-Jordan <jordancole@xxxxxxxxxxxxxxxxxxx>
To: Tesla Coil Mailing List <tesla@xxxxxxxxxx>
Sent: Sat, Apr 9, 2011 9:59 pm
Subject: [TCML] Toroid Proportions


Hi, is there a way to determine the proper size of the toroid for the coil?



Thanks



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