RE: Heat & Rotary Gaps

["Tesla list" <tesla@xxxxxxxxxx>]

Original poster: tesla popp <teslas_lab@xxxxxxxxx>

Ok, I have a 15/120 NST.  My cap is 0.05uF
Tungstin rod got hot enough to change color.

I ran it for 30sec and it seams like it won't get
overly hot if I have everything in phase.  Yet, if I
run it at 70% power, it gets hot twice as fast!?

Coiler Forever: Jeremiah Popp



--- Tesla list <tesla@xxxxxxxxxx> wrote:

> Original poster: "Lau, Gary" <Gary.Lau@xxxxxx>
>
> You didn't say what kind of power supply you're
> using?  With my 15/60
> NST, the rotating rod gets just moderately warm.
> But I'm sure if one
> were using a pole pig, that may be pushing one's
> luck.  You are using a
> shield in case things go bad, right?  I couldn't
> comment on a subjective
> "too hot to touch" without an actual measurement,
> but it is cause for
> concern.
>
> Regards, Gary Lau
> MA, USA
>
>  > Original poster: tesla popp
> <teslas_lab@xxxxxxxxx>
>  >
>  > Just set up one of my twin coils with a propeller
>  > gap...
>  > I found that after 10 seconds at 50% power, the
>  > rotating tungsten rod was far to hot to touch!
>  >
>  > Should I be worried about the "heat" VS the
> SRSG's
>  > plastic the  case /melting the high density PVC
> that
>  > holds the rotating tungsten rod?
>  >
>  > Jeez is this thing LOUD!!!
>  >
>  > Coiler Forever: Jeremiah Popp
>  >
>
>