> David Honig[SMTP:[EMAIL PROTECTED]]
> At 12:15 AM 5/8/01 -0500, Harmon Seaver wrote:
> > So probably a magnatron out of a 1500watt microwave
> >(1-2ghz) in an aluminum tube (barrel) to focus the
>
> [see notes at bottom]
>
> >microwaves would be sufficiceint? Or do we need to boost
> >power more than this? Can magnatrons be run in series? 8-)
> >
>
> It seems a horn is used to couple the oscillator to the
> aether for broadcast, and a waveguide (a rectangular box with certain
> dimensions) used to move the beam. A horn-fed dish could be used
> for beam shaping, including focussing the beam at some fixed distance.
>
> 'Glubco Labs' used to have a section on waveguides, magnetrons, and
> melting plastic, but that isn't there any more; the fellow probably
> graduated.
>
> I've seen 3000 watt 12VDC-110VAC inverters for cars being sold.
> Couple that with 500 watt tubes from some $50 ovens,
> you can outfit each corner of your car.
>
> Label the power settings: "toast phone", "toast engine", "headache",
> "cataract", "exploding head"
>
Another (highly frowned upon) use for this type of device is to toast
police speed radars. Apparently not to difficult to repair, though.
Peter Trei