Re: Streamer lengths

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

Original poster: FutureT-at-aol-dot-com 

In a message dated 10/1/03 7:05:38 PM Eastern Daylight Time, 
tesla-at-pupman-dot-com writes:

>For John's Freau's equation, I think John said the power was watts (not VA)
>from the power outlet. I guess this leads to  two questions:


Gerry,

Yes, I used input wallplug watts going into the variac and coil.


>1.  How did John measure his sparks when taking data for his equation?


I let the coil run for a minute (60 seconds), and noted the longest sparks.


>2.  How did he determine the power?
>    a.  Did he take the name plate numbers (4.5KV at 22ma in my case) and
>derate this by a PF.
>    b.  Did he measure the line current and phase relationship with line
>voltage to determine the true power from the outlet at the operating point
>he was using.


I used a wattmeter.  A Weston model 310.

John