Re: question about "lambda" (fwd)

["Tesla list" <tesla@xxxxxxxxxx>]

---------- Forwarded message ----------
Date: Thu, 16 Aug 2007 19:33:46 -0700
From: Barton B. Anderson <bartb@xxxxxxxxxxxxxxxx>
To: Tesla list <tesla@xxxxxxxxxx>
Subject: Re: question about "lambda" (fwd)

Hi Matthew,

Lambda in the electrical sense is simply wavelength, thus 1/2 wavelength 
or 1/4 wavelength.

Wow, 4 pF? Very low and little energy for spark creation. Your question 
is very interesting. But, how about some specifications on the coil 
parameters?

Take care,
Bart

Tesla list wrote:

>---------- Forwarded message ----------
>Date: Thu, 16 Aug 2007 14:25:18 -0500
>From: Matthew Boddicker <shmerpleton_town@xxxxxxxxxxx>
>To: tesla@xxxxxxxxxx
>Subject: question about "lambda"
>
>Hi, this is Matthew Boddicker
>It's either a brain-fart or just a lack of reading the right information, 
>but what exactlty does "1/2 lambda" and "1/4 lambda" mean exactly?
>
>Also, probably tied into the same subject, I was tuning my coil by moving an 
>alligator clip connecting the wire from the primary coil to the capacitor 
>from the max inductance down to the minumum. I was getting very little 
>sparks at the beginning, even when I had  the primary circuit the same 
>calculated frequency as the secondary. The capacitor is 4.075 picofarads.  
>The "tuned" circuit, to match the same frequency of 438 kHz secondary, is 
>being given an inductance of 32 microhenrys. But at this inductance (a 
>grounded rod was held 3.5" away from the top load), there was a tiny bit of 
>purple corona. This observation was consistant until I hit an inductance of 
>11microhenrys when many sparks broke out between the top load and the 
>grounded object. This frequency for the primary is calculated at 752kHz. 
>That's over 300kHz off! why does that work!?!?!
>
>Thanks,
>Matthew Boddicker
>
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