Re: [TCML] aluminum magnet wire

[bartb <bartb@xxxxxxxxxxxxxxxx>]

jimlux wrote:
> Sure, the unloaded Q of the secondary is 2/3 (as expected.. Al 
> conductivity is about 2/3 that of Cu).. but since the loaded Q of a TC 
> is around 10, clearly most of the losses are elsewhere. 
Yes, but only during spark loading. Q is bouncing between loaded and 
unloaded while running. I'm not sure it would matter much, but it might. 
This is one of those rare experiments where two identical coils could be 
compared without worrying too much about other affects. The coil would 
function, but I'm not sure that the losses would incur much spark length 
difference. I don't remember anyone trying it. If there's a substantial 
cost savings, then it's certainly worth trying out.
Take care,
Bart
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