Voltage/Length (fwd)

From:  Jim Lux [SMTP:jimlux-at-earthlink-dot-net]
Sent:  Thursday, January 22, 1998 10:31 AM
To:  Tesla List
Subject:  Re: ReVoltage/Length (fwd)

Didn't Tuve, et.al. do some measurements on a 5 MV tesla coil in a oil tank
using a capacitive divider and a calibrated sphere gap back in the 30's or
40's, before electrostatic generators became popular for accelerators?

>   It should be noted that connecting a voltage divider to the secondary
> terminal will reduce the sec voltage compared to a no load voltage. In
> not to have a voltage reduction the voltage divider would have to have an
> infinite impedance. The reduction of the voltage can not be found
> because the reduction is non linear. The TC sec voltage can only be
> estimated and certainly cannot be a "hard reference or claim".
>   However, if a voltage divider is connected to the sec terminal, a
> can be obtained. My guess is that a coil with a 60 inch spark at no load
> would give a voltage of about 300 KV with the proper divider. This could
> vary considerably depending on the total impedance of the divider.   

>   We will all be looking foward for your report of the results of your HV
> capacitive divider column.