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Re: Air cored Tesla coils for high voltage?

Original poster: "Antonio Carlos M. de Queiroz" <acmdq@xxxxxxxxxx>

Tesla list wrote: 
Original poster: Robert Clark <bobbygc2001@xxxxxxxxx>
 In order to have a self-contained power unit for a
lifter we need a lightweight means of creating high
voltage in the tens of kilovolts range.


 However to power the lifter we need say 30,000V. A
problem with transformers is that their ferrite cores
make them too heavy for the lifter to raise.
 So my question could you make the transformers to
power a tesla coil be air cored?
 Then another question is could you make the toroid on
the tesla coil be lightweight?


The load is not necessary. Just use the self-capacitance
of the coil. You will need a rectifier too. Possibly the
asymmetrical structure of the lifter is enough for the
rectification, and it would serve as a capacitive load too.
Someone must try to power a lifter from a Tesla-coil-type
power supply and see what happens. Operation at high frequency
would allow the use of small inductances and capacitances,
to reduce weight.
(Of course, a specially designed coil for this use. A
regular Tesla coil used to produce long streamers would
just burn everything...)

Antonio Carlos M. de Queiroz