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I am intrigued by this design. Do you remember which book that was? > -----Original Message----- > From: Tesla [mailto:tesla-bounces@xxxxxxxxxx] On Behalf Of b alex > pettit jr via Tesla > Sent: Monday, April 13, 2015 5:59 AM > To: tesla@xxxxxxxxxx > Subject: [TCML] Glass Plate Capacitor > > Hello All, > I have been in the process of getting an old build operational again.I > constructed this RSGTC back in the mid '80s based on info from a book > published in 1920. It is of classic design in thatthe Secondary is > wide and short by current day designs ( 8" dia x 15" hi ) and has no > top load - just a small 1" brass ball on a short post. It creates a > very large brush discharge from the top turn and equal length sparks > from the ball.It looks like a true antique as the components have > nicely finished wood bases and boxes. > It was built using a surplus military grade 5KV 90 ma transformer and > is throttled by a tapped inductor of my design on the AC input. > Thecapacitor is a 2" stack of 'single strength' window glass and > aluminum foil whichwas immersed in hot beeswax such that the edges of > the glasspanes are sealed .. The foil comes to within 1/2" of the > edges of the glass. > The cap measures 0.025 uF. Input 5KV max. ARSG runs at 360 BpS. The > coil resonance measures 290 KHz and this agrees with the JavaTC > analysis. Coupling 0.3 k I have Never attempted full power operation as > there were always pri to sec arc-overs.I finally fixed this ( after 30 > years ! ) by sleeving the upper turn of the primary with plastic > tubing. > Question : Whats the probability that the Capacitor withstand full 5 KV > transformer output ? > Regards,AlexOrlando FLKK4VB > > _______________________________________________ > Tesla mailing list > Tesla@xxxxxxxxxx > http://www.pupman.com/mailman/listinfo/tesla > > > ----- > No virus found in this message. > Checked by AVG - www.avg.com > Version: 2015.0.5863 / Virus Database: 4328/9527 - Release Date: > 04/13/15 _______________________________________________ Tesla mailing list Tesla@xxxxxxxxxx http://www.pupman.com/mailman/listinfo/tesla