Re: Why I need (or thought I did) copper hardware . . .

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

Original poster: Terry Fritz <teslalist-at-twfpowerelectronics-dot-com>

HI,

We use brass hardware a lot for high power RF stuff.  I bet just brass will 
work fine there.  Steel is terrible with even low frequency RF...

Cheers,

         Terry


At 08:58 AM 7/4/2004, you wrote:
>Thanks for all the responses.  I probably should have explained why I need
>(or thought I needed) the copper hardware to begin with.
>I've made a few MMC enclosures using PVC Type I material and on each side of
>the enclosure (which is vented now for cooling) I had
>a standard 1/4-20 steel bolt for an electrical connection.
>
>This was to be used for the ISSTC II coil i recently finished and found that
>these steel bolts are getting so hot that they are actually melting the
>PVC material.  They are RED HOT!   I have eliminated induction type heating
>with them, so resistive losses is the only other culprit here.
>
>Using a better bolt would hopefully solve this problem (copper, brass,
>aluminum ? ? ?)
>
>Thanks
>Dan