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Re: [TCML] Nearly First Firing



Hey Gary...

after reading your post it got me thinking.... if he is reading 35 ohms across the string of paralell wired caps, then wouldnt all of them be toasted ( or a short across the whole string?? Lets say if one or 2 were shorted in the "middle" of the string wouldnt they act like basic connections but letting the others "read as normal", thus an open circuit....? Another thought... what if they are lossy enuf at 9V to never allow the voltage to build up in them for the meter to work properly, nevermind that idea wouldnt work either that would be a definate short at higher voltages...

I wonder what material the caps are mounted to?? Possibly conductive?? Tested the cap ohm reading on a conductive surface?

Scot D



Lau, Gary wrote:

The 35 Ohm reading - is that with nothing else in the circuit, just the caps?  An Ohmmeter should read open-circuit on a capacitor or bank of capacitors like this.  If it's reading 35 Ohms, one or more of them is toasted.

OK, I see your caps on http://www.rmcybernetics.com/shop/surplus-science-lab-equipment.htm?show=hv#A28  It says: "These capacitors are ideal for projects such as voltage multipliers and small DC Tesla Coils".  Vendors will always say that stuff is ideal for use in Tesla Coils when it isn't.  EBay is particularly bad with this.  These are disc capacitors.  I'm not sure what a "small DC Tesla coil" is, but they're no good for what you need them for.  Sorry!

Regards, Gary Lau
MA, USA




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