Re: Micro coil

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "by way of Terry Fritz <twftesla-at-qwest-dot-net>" <Fucian-at-aol-dot-com>

In a message dated 6/9/01 11:19:24 PM Eastern Daylight Time, tesla-at-pupman-dot-com 
writes: 


>
> Just assembled a mini really microscopically tiny TC. Here are the specs: 
>
> 4kV 9mA bug zapper transformer, repotted in petroleum jelly 
> 1 15oz Salt Water capacitor 
> 7 turn helical primary, tapped at 4 turns 
> .5 inch cardboard form wound with hair-thin wire(not sure of the gauge, 
> maybe 36?), 
> 4 inches wrapped by hand(really hard) No crossovers in the windings. 
> Spark gap is two copper electrodes set at 1/32in 
>
> Performance is OK. 1" sparks to my hand. 3/4in streamers. I do not have a 
> good RF ground in my room so I attached the bottom of the secondary to a 
> heap of Al dryer duct leftover from making toroids. Works fine for right 
> now. I will take it out in the garage and hook it up to my RF ground. I'm 
> also planning on building an MMC for it with some ceramic caps that I 
> ordered. The SW cap isn't anywhere near res. 
>
> Does anyone else have a microscopic coil? Questions? comments? 
>
> Matt Shayka 



I USED to have several.That is back when i got started.Mine was about the 
same as yours except a 1in secondary with 30awg wound about maybe 5-6in.The 
primary was like 7-10turns of 22awg wound directly on the secondary.I got 1in 
sparks as well and would play till my head hurt!So much fun! 

Matt