Paper cap's for MMC's?

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

Original poster: "Jim McPherson by way of Terry Fritz <twftesla-at-qwest-dot-net>" <kingjamez80-at-hotmail-dot-com>


If you look on ebay there is a guy with a seemingly endless supply of 1000v
.0022uF Paper russian military caps. He sells them for $10.00 for a box of 50.
Any Idea if these would be good for MMC use? Check out :
<http://cgi.ebay-dot-com/aw-cgi/eBayISAPI.dll?ViewItem&item=1704547572&r=0&t=0&s
howTutorial=0&ed=1014087728&indexURL=0&rd=1>http://cgi.ebay-dot-com/aw-cgi/eBay
ISAPI.dll?ViewItem&item=1704547572&r=0&t=0&showTutorial=0&ed=1014087728&inde
xURL=0&rd=1


>>>Paper is too lossy and the value is too low - Terry<<<

>From: "Tesla list" 
>To: tesla-at-pupman-dot-com 
>Subject: RE: Saturating LTR coil! - demonstrated!! - RE: ~Variac question 
>Date: Sat, 16 Feb 2002 20:32:17 -0700 
> 
>Original poster: "Lau, Gary by way of Terry Fritz " 
> 
>Hi Terry: 
> 
>My ISP, AT&T, has announced that they lost the right to use the domain name 
>that my web site had been at. Effective next month, it will have to change 
>to a new AT&T domain name. I don't like being at their mercy and don't 
>ever want to have to change domain names again, so I've purchased my own 
>name and this should allow for a permanent URL for my web site. The new 
>URL for Gary Lau's Tesla Coils is www.laushaus-dot-com/tesla. There may be a 
>few "funnies" relating to links and page titles due to the URL forwarding 
>and cloaking, sorry... 
> 
>Anyway, I can't tell if the NST is humming, the streamers were pretty loud. 
> The basic stats were: 
>15/60 NST, 240uF PFC, .02uF Maxwell cap, single static "sucker" gap, 15A 
>Variac cranked to 140V (unloaded). 
>Regards, Gary 
> 
>Original poster: "Terry Fritz" 
> 
>Hi Gary, 
> 
>WOW!!! This is that coil that always seem to perform better than it 
>"should". It appears you have indeed got a true saturating LTR coil!! The 
>current you measured is just right at what should be expected. 
> 
>So your 15/60 NST is putting out maybe 3200 watts!!!! :-)))) Better yet, 
>it seems to survive!! The current is about 3X so the temperature rise on 
>the windings is about 10X but it is intermittent operation at room 
>temperature so maybe no damage is being done. 
> 
>I wonder what is limiting the current? Maybe the shunts still work a 
>little or the rest of the system naturally limits itself?? Does the NST 
>hum real loud?? It may be the rest of the core is saturating as the "next" 
>current limiter. 
> 
>If you could remind us of your web page and your coil's specs, we can check 
>it all out. I was always wanting to try this type of coil but I was too 
>chicken of burning up my NSTs... 
> 
>So the SLTR coil is "demonstrated" and a new type of Tesla coil is born!! 
> 
>WOW!! This is BIG!!! Much much to ponder here!! 
> 
>Cheers 
> 
> Terry 
> 
>At 01:35 PM 2/16/2002 -0500, you wrote: 
> >Good guess! I measured 184 mA RMS leaving the NST HV bushing, measured with 
> >the fiber optic probe and RMS function of a Tek scope. And this is with no 
> >modifications to the NST shunts. I have always run with the volume set to 
> >"11", and have had no problems. I have noted that the NST will get warm 
> >after a couple minutes, actually re-melting a portion of the Vaseline jel 
> >that it's potted in, but I've seen no permanent ill effects. 
> > 
> >Gary Lau 
> >MA, USA 
> > 
> >>Original poster: "Terry Fritz" 
> >> 
> >>Hi Gary, 
> >> 
> >>Oh!!! I wonder if the magnetic shunts are saturating? They would almost 
> >>have to be. I bet it is putting out a whole lot more than 60mA. I would 
> >>guess about 150mA!! That's cool if it does not blow up. 
> >> 
> >>I have wondered if a stable and safe coil could be made with a NST far into

> >>saturation. It looks like you have done it :-)) This is a very 
> >>significant thing!!! 
> >> 
> >>Cheers, 
> >> 
> >> Terry 
> > 
> > 
> >At 08:59 AM 2/16/2002 -0500, you wrote: 
> >>That measurement actually was made with 240uF of PFC! 
> >> 
> >> -----Original Message----- 
> >>From: Tesla list [mailto:tesla-at-pupman-dot-com] 
> >>Sent: Friday, February 15, 2002 9:23 PM 
> >>To: tesla-at-pupman-dot-com 
> >>Subject: RE: ~Variac question 
> >> 
> >>Original poster: "Terry Fritz" 
> >> 
> >>Hi Gary, 
> >> 
> >>Adding 200uf of PFC caps could probably cut that current draw in HALF! 
> >> 
> >>Cheers, 
> >> 
> >> Terry 
> 
> 
> 
> 


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