Since the question asked was "how I could test the resonant frequency for the secondary using a generator and a scope?" The answer is correct. IF one is using a TC for any other reason than making streamers then the answer is critical and complete for the resonant frequency prior to breakout.. IF making sparks is your sole interest, it is also very useful to know what upper limit frequency starting point you need to work down from to compensate for streamer loading (which changes by the microsecond).
Having a starting point that you know is maximum is most useful if you know what to do with it.
Matt D.
"Do not presume to know the other fellow's reality" D.H.Martin
-----Original Message-----
From: Teslalabor <teslalabor@xxxxxxxxxxx>
To: Tesla Coil Mailing List <tesla@xxxxxxxxxx>
Sent: Fri, Apr 4, 2014 8:54 am
Subject: Re: [TCML] Secondary Resonant Frequency test ??
I'm sorry but this method is nice in theory, but has nearly nothing to do
with reality and if done as described, it is completely useless because it
doesn't give you the real frequency under load conditions.
In reality a conductive streamer or arc is "nailed" at the topload, which
acts as a form of antenna and lowers the resonant frequency of the secondary
extremely.
So if you do this test you have at least to connect a thin wire to the
topload, which "simulates" a streamer, when the coil is running later.
----- Original Message -----
From: "Bart B. Anderson" <gort@xxxxxxxxxxxxxxxx>
To: "Tesla Coil Mailing List" <tesla@xxxxxxxxxx>
Sent: Friday, April 04, 2014 3:55 AM
Subject: Re: [TCML] Secondary Resonant Frequency test ??
> Very easy...
>
> 1) disconnect the bottom wire to your secondary and connect the generator
> output to it (square wave is fine)...
> 2) power up the scope and let a piece of wire (12" or so) dangle from the
> probe and place the probe about toroid level and about 6 feet from coil.
> 3) sweep the generator increasing frequency while keeping an eye on the
> scope...
>
> When your scope shows a sine wave with the largest peak, that is your
> fundamental frequency.
>
> That's is the most basic.
>
> Take care,
> Bart
>
>
> On 4/3/2014 4:32 AM, matty mcqueeney wrote:
>> does anybody know any ways I could test the resonant frequency for the
>> secondary using a generator and a scope? I have already done the primary
>> and got the correct results.
>> Matthew _______________________________________________
>> Tesla mailing list
>> Tesla@xxxxxxxxxx
>> http://www.pupman.com/mailman/listinfo/tesla
>
> _______________________________________________
> Tesla mailing list
> Tesla@xxxxxxxxxx
> http://www.pupman.com/mailman/listinfo/tesla
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