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Tesla Coil Videotape #19
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From: chris.swinson [SMTP:chris.swinson-at-zetnet.co.uk]
Sent: Thursday, August 20, 1998 4:33 PM
To: Tesla List
Subject: Re: Tesla Coil Videotape #19
-----Original Message-----
From: Tesla List <tesla-at-pupman-dot-com>
To: 'Tesla List' <tesla-at-pupman-dot-com>
Date: 20 August 1998 06:13
Subject: Tesla Coil Videotape #19
>
>
>----------
>From: FutureT-at-aol-dot-com [SMTP:FutureT-at-aol-dot-com]
>Sent: Wednesday, August 19, 1998 12:39 PM
>To: tesla-at-pupman-dot-com
>Subject: Tesla Coil Videotape #19
>
>All,
>
>Newer list members may not have seen my 9/9/97 ad for my Tesla coil
>videotape #19. This tape covers the construction and testing of
>the 12kV, 30ma NST powered, 42" spark TC, break rate comparisons,
>vacuum tube magnifiers, small demo coil, quench times explored, etc.
>
>Complete index below:
>
>1. Hamfest buy: special ignition transformer
>2. Vacuum tube magnifier; variable tuned secondary
>3. Quench times explored using a transistor instead of SG, scope
> displays
>4. 4uS quench times using a spark gap Tesla coil
>5. Coupling is tightened, quenching observed
>6. Low frequency system; comparison of quenching
>7. Offset electrodes discussed (rotary gap) (some of this is later
> invalidated)
>8. Quench times compared on low frequency coil
>9. New system quenches at 1st notch at k = .22
>10. Tighter coupling is tested
>11. New staccato control for tube coils is tested
>12. 100 megawatt hydrogen thyratron is shown
>13. Compressed air quench assist is tested
>14. Rejuvenation of vacuum tube filaments is discussed
>15. New TC platform is constructed
>16. New TC is shown and described
>17. 12kV, 30ma neon sign transformer gives 42" sparks using sync
> gap
>18. 15kV, 60ma NST is used which requires a rotary sync gap
> modification, gives 65" sparks with first notch quenching
>20. Higher break rates are tested using modified non-sync rotary
>21. Variac tested as ballast
>22. 10 kilowatt multi-range wattmeter is installed
>23. Potential transformer efficiency compared with neon transformer
>24. Improved joining method for dryer duct toroids
>25. Photos from 1996 TCBOR Teslathon
>26. Series rotary quenches similarly to regular rotary
>27. Ballast is shown and discussed
>28. Higher break rate gives minimal improvement, and lower efficiency
>29. Hamfest buys; caps, misc
>30. Garbagefests described
>31. Potential transformer versus neon transformer, efficiency compared
>32. 7.5kV, 120ma neon transformer is tested on TC
>33. Neon transformers are obtained from distributer
>34. Small stylish, easy to build, demo-type TC is built and described
>35. Gaithersburg hamfest buys
>
>To order tape #19 (108 minute run-time) please send $17 to:
>
>John Freau
>49 Thiem Ave
>Rochelle Pk, NJ 07662
>
>Thank you,
>John Freau
>
>
>
>
>
Is this tape NTSC or PAL, Normal UK players as PAL. Though my video will
both ( thank god , after a big order of tesla tape ).