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Thank you for that well said reply. My audience won't be allowed up
close to the coil so I want the tubes to light up from 20 to 30 feet
away. Perhaps even 50. Thanks for your help!
On 14-06-05 06:58 PM, David Speck wrote:
> David,
>
> I think you missed the point. The tubes light up without adding any
> specific external tuning components. If you want to add external
> steampunk genre components for visual effect, that's fine, but they
> won't improve or modify the function of the tubes catching the radiated
> RF energy.
>
> I don't think you would be able to successfully add tuned components
> that would make the tube dim or go dark. The physics of the absorption
> of the radiated energy are pretty squirrely with the interaction of the
> electrical properties of human holding the tube interacting with the
> properties of the ionized conductive gas column inside the tube. Even
> if you short the ends of the tube, I'd bet that it would still light up,
> at least in the middle.
>
> (Another) Dave
>
>
> On 6/5/2014 2:15 PM, David Boyle wrote:
>> I'll be sure to wrap those tubes so they are mechanically sound.
>>
>> However the idea I need advice on is taking a couple hundred feet of
>> copper magnet wire like the kind you wind on a secondary, and coiling it
>> up onto a form that sits at one end of a fluorescent tube. Add a tuning
>> capacitor in parallel to make a tank circuit and using that as an
>> antenna to extend the range of the wireless light effect. It's like a
>> crystal radio circuit but it is there to only receive power and no
>> signal. The winding and capacitor would be visible and part of the cool
>> retro look.
>>
>> Any thoughts on that?
>
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