[sdiy] Using a plasma ball as a control surface?

cheater00 cheater00 cheater00 at gmail.com
Fri Aug 31 13:06:42 CEST 2018


Random values are a bonus!

On Mon, 27 Aug 2018, 21:59 KA4HJH, <ka4hjh at gmail.com> wrote:

>
> On Aug 26, 2018, at 5:59 PM, cheater00 cheater00 <cheater00 at gmail.com>
> wrote:
>
> Hi, I was wondering if anyone tried using a plasma ball as a controller
> for an electronic circuit.
>
>
> They give off _lots_ of RFI which might make the entire concept moot. Even
> worse, the HV power supplies in some plasma gadgets other than spheres are
> _modulated_ at AF. That could be really noisy.
>
> I just scored a really nice one on eBay the other day... 8D
>
>
> Terry Bowman, KA4HJH
> "The Mac Doctor"
>
> Q: Should car stereo speakers be pointed to the rear for more thrust or up
> for more traction?
>
> A. On long trips, the 20- to 30% improvement in gas mileage you might get
> with speakers pointing to the rear is certainly worthwhile. On the other
> hand, if you drive on snow or ice, the extra traction of speakers pointing
> upward gives you added control.
>
> Don Lancaster
>
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>
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