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Click on the photos for bigger picture. |
| In October 19th, 2000, the Swiss science-center Technorama
(museum) gave me the opportunity, to demostrate B&W, on occasion
of their sponsors-meeting-day "Technorama-Forum". A big hall (imagine a
cube of about 12m side, colored black, the whole inside) was made available
for the demo. The coil was shown, about twice a day, for the usual visitors
of the museum, as a special-show, during a limited time of a few days.
Coiler-friend Martin Damev and me were setting up the coil, which had
first light on 22/23th July 2000, but yet without my own sync-rotary
gap. The noise and gas(NOx, Ozone)-production of the coil proved to be
a serious disturbance for the visitors, as well as the electromagnetic
disturbances for part of the security-systems. So, we had to limit our
tests with the TC to the times, when the museum was not operating (nights
and Mondays). Despite of these obstacles, Martin and me were able to perform
a number of interesting tests, with different kinds of power supply
units (PT-farm, strayfield laser xfrmer, rectified 3 phase from laser-xfrmer)
- and sparkgaps (static blast-gap, my SRSG, Martins ASRSG). On October
16th, we obtained a reproducible sparklength of 4.15m (13.6'), horizontally,
from a breakout point to a ladder, with 6kW/9kVA input power from Martin's
Laser-Xfrmr.
The first 7 spark-pics were taken on October 16th 2000, by Andi, on ASA50 diapositive-film. By that time, we operated the coil with a horizontal breakout point, to an ungrounded ladder, using Martin Damevs 3-phase laser transformer, on 2-phase only. We also were able to get breakout from the toroid, without breakout point, with about 3 free-moving streamers: great to see, but was hard to reproduce again! Regrettably: no photos of it! The last 4 spark-pics show the sparks from a centered breakout-point, on top of the TC, to one of my 80cm toroids, hanging on a crane, in a distance of about 3.9...4m. This is the way, the museum will show it to the public. Vertical sparks, seen relative to the black walls of the room, are quite impressive, because they let remember, a little bit, natures "real lightning" ;o)). The power was supplied by my PT farm. |
B&W in the Technorama Hall (~ 10m cube size) 61'494 bytes |
power supply unit. at right: 3-phase, strayfield laser-xfrmr of Martin Damev 74'815 bytes |
Technorama made labels, in order to identify components 72'464 bytes |
my new rotary's view, from B&W's "service-side" 86'479 bytes |
TramSpark01.jpg 25'466 bytes |
TramSpark03.jpg 43'073 bytes |
TramSpark04.jpg 48'773 bytes |
TramSpark05.jpg 70'149 bytes |
TramSpark06.jpg 57'792 bytes |
TramSpark08.jpg 50'318 bytes |
TramSpark10b.jpg 28'397 bytes |
situation for next 4 spark-pic's: dist. from TC breakout point to toroid on crane is about 3.9..4m next to coil: Martin D. 39'819 bytes |
TramSpark14.jpg 38'938 bytes |
TramSpark18.jpg 50'277 bytes |
TramSpark20.jpg 38'676 bytes |
TramSpark21.jpg 50'542 bytes |