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Re: Magnifier Report



Just following on from this:

> Original Poster: Richard Hull <rhull-at-richmond.infi-dot-net> 
> 
> 
> 
> Tesla List wrote:
> 
> > Original Poster: FutureT-at-aol-dot-com
> >
> > All,
> >
> > In new work, Lou Balint reports that he obtained a stronger longer
> > spark output from his magnifier when he tuned the secondary to 1/2
> > wavelength and the extra coil to 1/4 wavelength for a total 3/4
> > wavelength for the secondary and extra coil combined.  This is
> > compared to the usual tune point which tunes to the combined
> > secondary-extra coil resonant frequency.  The new tune point gave
> > about a 10% longer spark.
> >
> > He is driving the magnifier at low power using a robust signal generator,
> > and he obtains about a 1" output spark.  A neon bulb array is used to
> > monitor the tuning and any nodes along the coils.  Best results are
> > obtained when a low voltage/low impedance node is positioned at the
> > base of the extra coil.
> >
> > Lou has also tried placing a variable tuning capacitor across
> > approximately the bottom half of the secondary to assist in correctly
> > positioning the low voltage node at the base of the extra coil.  This
> > tends to help the coil's performance also.
> >
> > John Freau
> 
> Someone may have already commented on this John, (I haven't read all my mail
> yet -sequential processing only).  This will not work for any power due to
> the HV point in the center of the 1/2 wave driver breaking the system down
> when real volts are in evidence.  Tesla notes this in his CSN.  He is
getting
> away with it because of his low input sauce.
> 
> Richard Hull, TCBOR

Has Lou observed standing wave behaviour on the driver secondary??

Malcolm