Re: new single 833A VTTC

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

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

Hi Bert,

My solid state coil has the discharge in a very well defined small area:

http://hot-streamer-dot-com/TeslaCoils/MyCoils/CWCoil/400watts.jpg

unlike a normal coil that has streamers all over the place.  So maybe the 
small area of discharge is why there is so little ozone or NOx 
smell.  Makes sense!!

Cheers,

         Terry


At 06:17 PM 12/23/2003, you wrote:
>Terry and Jim,
>
>The "why" indeed has to do with the heat of the discharge. Ozone 
>production is maximized during so "cold" discharges (i.e., corona, barrier 
>discharge, or filamentary streamers and corona flashes}. Heat destroys 
>ozone, so as the discharges evolve to high current leaders and become more 
>arc-like, nitrogen oxides are preferentially created and most nearby ozone 
>is thermally decomposed. That's also why high power spark gap type coils 
>output less ozone than small coils. Small coils with small toploads tend 
>to create cooler corona and streamers and, proportionally, MUCH more ozone.
>
>Best regards,
>
>-- Bert --
>--
>--------------------------------------------------------------------
>We specialize in UNIQUE items! Coins shrunk by Ultrastrong Fields,
>Lichtenberg Figures (electrical discharges in acrylic), & Scarce OOP
>Technical Books. Stoneridge Engineering -- http://www.teslamania-dot-com
>--------------------------------------------------------------------
>
>Tesla list wrote:
>>Original poster: Terry Fritz <teslalist-at-twfpowerelectronics-dot-com>
>>Hi Jim,
>>I have a solid state coil that makes no ozone too.  My guess is that 
>>since it is run by a "pure" (<50dB) sine wave, the ions are ballanced and 
>>there are not any stray extra ones to combine with N2.  Does your tube 
>>coil run off pure sine waves too?  I have a tube coil but it makes ozone.
>>Make TCs that don't make ozone would sure be nice for displays and public 
>>stuff if we could just pin down "how".
>>Cheers,
>>         Terry
>>
>>At 08:58 PM 12/22/2003, you wrote:
>>
>>>How come VTTC's don't make any ozone, while my conventional TC makes alot of
>>>ozone, not counting the spark gap.  Is it beacuse VTTC arcs are so hot that
>>>they make nitric oxides in stead of ozone?  I just found a place in the UK
>>>that sells 833C for 20 pounds each, pretty good deal, no?
>>>
>>>Regards - Jim Mitchell
>>>----- Original Message -----
>>>From: "Tesla list" <tesla-at-pupman-dot-com>
>>>To: <tesla-at-pupman-dot-com>
>>>Sent: Monday, December 22, 2003 10:47 PM
>>>Subject: Re: new single 833A VTTC
>>>
>>>
>>> > Original poster: "garryfre" <garryfre-at-pacbell-dot-net>
>>> >
>>> > Yep, of course he runs it in his room. I run mine in my apartment. Mine
>>>has
>>> > similar results with one 833A. Steve probably knows that he can replace
>>>the
>>> > 833A with an 833C and greatly increase the duty cycle. My old 833A would
>>>get
>>> > red rather rapidly, whereas the 833C shows no sign of heating up.
>>> >
>>> >
>>> > ----- Original Message -----
>>> > From: "Tesla list" <tesla-at-pupman-dot-com>
>>> > To: <tesla-at-pupman-dot-com>
>>> > Sent: Monday, December 22, 2003 7:35 AM
>>> > Subject: Re: new single 833A VTTC
>>> >
>>> >
>>> >  > Original poster: "Jim Mitchell" <electrontube-at-sbcglobal-dot-net>
>>> >  >
>>> >  > You run that in your room?!?!?!?!?!???!?!  Ouch!
>>> >
>>> >
>>
>>.
>