Re: Tungsten Blanks

["Tesla list" <tesla@xxxxxxxxxx>]

Original poster: "David Rieben" <drieben@xxxxxxxxxxxxxxx>

Phil,

I use the tungsten carbide drill blanks from McM-C
in the 3/8" and 1/2" diameters  for the flying and station-
ary electrodes, respectively, for the asynch rotary gap
of my 15 kVA Green Monster Tesla system, and they
seem to work just fine ;^)

David



----- Original Message ----- From: "Tesla list" <tesla@xxxxxxxxxx>
To: <tesla@xxxxxxxxxx>
Sent: Sunday, January 08, 2006 5:09 PM
Subject: Re: Tungsten Blanks


> Original poster: fiftyguy@xxxxxxx
>  Original poster: Thomas Coyle <<mailto:zxcasd%40gmail.com>zxcasd@xxxxxxxxx>
>
> The actual McMaster numbers are:
>
> Tungsten Carbide, 1.024" diameter:
> 6": 191.37
> 12": 365.71
>
> High-density tungsten alloy rod, 1" diameter:
> 8": 236.47
> 12": 325.31
>
>
>
>  Yeah, but the McMaster stuff is alloy, 90% Tungsten, remainder 
> nickle and copper.
> Wouldn't these other metals have a deletrious effect on quenching?
> Has anybody done testing to determine the importance of the Tungsten purity?
> Any definitve answers on whether thoriated, etc. TIG rods work 
> better/worse than the pure ones?
>
> -Phil LaBudde