Re: Tesla motor receiver

["Ed Phillips" <evp-at-pacbell-dot-net> (by way of Terry Fritz <twftesla-at-uswest-dot-net>)]

Tesla list wrote:
> 
> Original poster: "Richard Barton" <richardbarton-at-caving5.freeserve.co.uk>
> 
> Hi all
>         Further to my idea about building a tesla receiver
> to power a motor.... I've been looking through the CSN's
> and it seems that the receiver should be, in itself, a replica
> of a tesla coil, but working in reverse, whereby what is
> normally the secondary, is employed as a primary, being
> connected to an antenna, and the normal primary becomes
> the secondary, thereby converting the high voltage and low
> current, to a low voltage and high current.
> Am I correct in this ?
> My idea was to generally try and discover if I could place
> my receiver in fairly close proximity to my coil, and simply
> tune roughly to the output frequency, using a variable cap
> in the receiver, then rectify the signal and feed it to a tiny
> D.C. motor. The problem is, however, that it would still
> be R.F., so I think we would need to build this miniature
> coil (secondary and primary) as Tesla did.
> But how do we lower the frequency back down to a rate
> that a diode can handle ?
>                                 ~Richard Barton.


	As for the last question, no problem  Just connect a capacitor across
the motor.  Your problems will be in tuning, impedance matching for
maximum power transfer to the motor load resistance, etc.

Ed