Re: vttc tank cap

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

Original poster: "June Heidlebaugh" <rheidlebaugh-at-desertgate-dot-com> 

Claud: It is better to have more inductance in a resonant circuit to provide
higher Q and better resonance.
    Robert    H
----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Friday, February 06, 2004 8:12 AM
Subject: Re: vttc tank cap


 > Original poster: "claude masetto" <claudmas-at-optusnet-dot-com.au>
 >
 > Hello David,
 > Thanks for the advice.
 > I've built the single string and it runs great. Did not notice any heating
 > but I've only run it in short bursts. I will recalculate and build with
two
 > strings for longer operation.
 > I do not fully understand how the tube impedence effects the tank circuit.
 > Is it better to have more capacitance than inductance in the tuned circuit
 > or the other way around.
 > Thanks
 > Claude.
 > ----- Original Message -----
 > From: "Tesla list" <tesla-at-pupman-dot-com>
 > To: <tesla-at-pupman-dot-com>
 > Sent: Friday, February 06, 2004 12:04 PM
 > Subject: Re: vttc tank cap
 >
 >
 >  > Original poster: humanb-at-chaoticuniverse-dot-com
 >  >
 >  > Claude, I used a single string of the PP Panasonics,
 >  > but under CW they heat up a bit. I found that two
 >  > strings works great, with nice cold caps even under CW.
 >  >
 >  > Regards,
 >  >
 >  > David Trimmell
 >  >
 >  > On Thu, 05 Feb 2004 08:14:28 -0700, "Tesla list" wrote:
 >  >
 >  >  >
 >  >  > Original poster: "claude masetto"
 >  >  > <claudmas-at-optusnet-dot-com.au>
 >  >  >
 >  >  > Hi, when I built my vttc I used these red doorknob
 >  > caps
 >  >  > for the tank cap
 >  >  > because they were free.
 >  >  > The vttc performs great but I know that the
 >  > capacitance
 >  >  > of these caps varies
 >  >  > greatly  with heat and voltage, so I am going to build
 >  >  > a small mmc.
 >  >  > I am going to use 9x 0.022uf polyproplene caps in
 >  >  > series for a tank cap of
 >  >  > 0.0024uf at 13500 volts which is the correct value for
 >  >  > this setup.
 >  >  > What I would like to know is one series string enough
 >  >  > to handle the tank
 >  >  > current and if not how do I calculate how many
 >  > parallel
 >  >  > strings I need.
 >  >  > Thanks
 >  >  > Claude.
 >  >
 >  >
 >
 >