Re: static spark gaps

["Tesla list" <tesla@xxxxxxxxxx>]

Original poster: Mike <megavolts61@xxxxxxxxx>

Hi James,
    I have used some one inch diameter silver contacts from some 
huge contactor/relay thingy.   They work fine.   I don't even think I 
have ever cleaned them yet, although I would before using them again 
probably.   Both tungsten and tungsten carbide have been used by 
people on this list.  I personally use tungsten because I have 
it....lol  I've used the silver gaps for as much as 1800W and had 
good results, so I wouldn't worry too much there.
Mike


poster: "James Howells" <james@xxxxxxxxxxxxxxxxxxxxxxx>

May I join this thread?:
Many people have mentioned Tungsten electrodes .... are these
tungsten or tungsten carbide ?

If  as suggested below a flat surface is best: what is the general
opinion on using two silver faced contact breaker studs ( salvaged
from a fork lift truck) as the static gap ( low power = ignition coil
job- no pigs!)

They are brass , 1/2 dia. and have very thick silver plates* as the
faces .* plates not platED.

Will the silver be good ... because of the conductivity , or bad
because it's easily oxidised & eroded


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