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Re: [TCML] Coil pics & many thanks
The 15/60 explains the power (thanks). The coil "is" working well (in
the garage). Outdoors, there are less objects to affect the tuning, so
it's common to tune inward on the primary a little when running
outdoors. This biggest problem is we have to wait until we see the
sparks clear enough to identify length. By that time it's dark and we
tend to get in a rush and don't quite tune as we should. That's par for
the course running TC's outdoors. It really helps to tune the coil
outdoors the night before you intend to run it. Thus, it's ready to go
for photo's, friends, or whatever.
Andrew Nettles wrote:
Thanks for having a look.
Not sure what you mean by how much power. It's powered by a 15/60 NST, a 28nf cap, and a 120 bps SRSG. According to JavaTC (which is amazingly useful and accurate btw), the cap bank fires at about 70% which makes a bang of about 3.05 joules.
It does seem to run great as long as it's in the garage. I took it outside and it was less than spectacular. I got a few racing arcs and much smaller streamers overall. For lack of a better way to explain it, it didn't "sound happy".
Date: Fri, 10 Oct 2008 19:51:31 -0700> From: bartb@xxxxxxxxxxxxxxxx> To: tesla@xxxxxxxxxx> Subject: Re: [TCML] Coil pics & many thanks> CC: > > Hi Andrew,> > Very nice construction photos! I loved the router circle cutting jig! > The rotary sounds great! Very synchronous and I hear no drifting. The > coil looks great and it appears to be well tuned. Un-tuned coils don't > work this well. How much power are you running on this coil? Overall, I > would say the coil is doing well. Hope you can find a permanent location > for the coil to run. Coils don't like being "put away to run another day".> > Regards,> Bart> > Andrew Nettles wrote:> > I finally got an album together of my first 6" coil if anyone's interested. It's a lot of construction pics (including variac brush repair) & a couple of videos of the finished coil. I put the album together mostly for people who don't know a thing about coils so some of the captions probably explain a lot of stuff you already know. I tried to document all the construction steps but I can't seem to hang on to my camera :(> > > > http://picasaweb.google.com/andrew.nettles/My6InchTeslaCoil?authkey=q3ac0VTAgSY> > > > Thanks to many people who gave me advice through the list, have excellent websites, & answer emails. I don't want to neglect to mention anyone but especially Gary Lau, Ritchie Burnett, Terry Fritz (among many things I blatantly ripped off his cap design), John Freau, Bart (JavaTC Rulez), Alan Majernick for the Oriental reaction motor & super cool rotor, and Bill Noble for helping out with the variac.> > > > Feedback of any kind would be great.> > > > Hopefully I will be able to permanently set it up somewhere soon - right now it's in someone else's shop & it's kinda hard for me to get time to play with it. Sure is fun though.> > > > - Andrew_______________________________________________> > Tesla mailing list> > Tesla@xxxxxxxxxxxxxx> > http://www.pupman.com/mailman/listinfo/tesla> >> > > _______________________________________________> Tesla mailing list> Tesla@xxxxxxxxxxxxxx> http://www.pupman.com/mailman/listinfo/tesla_______________________________________________
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