RE: Magnetron Rectifiers

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Loudner, Godfrey by way of Terry Fritz <twftesla-at-qwest-dot-net>" <gloudner-at-SINTE.EDU>

Hi Marry

These results are very interesting and surprising. Of course you left the
microwave high voltage capacitor and microwave diode out the usual microwave
oven circuit. You must have used a MOT to feed the magnetron filament and
also for isolation. Were the fashovers on the MOT. I wonder if magnetron
rectifiers would be durable for long periods of time. I have about 60 Mots
now. Too bad I salvaged all the magnetrons for the magnets. But I'm still
collecting MOTs, so there will be more magnetrons. If I keep piling up the
magnets, I just might disappear like the sailors allegedly :-) did in the
Philadelphia experiment. Oh no, please don't start a thread on the
Philadelphia experiment!

Godfrey Loudner      

> -----Original Message-----
> From:	Tesla list [SMTP:tesla-at-pupman-dot-com]
> Sent:	Friday, March 15, 2002 9:49 PM
> To:	tesla-at-pupman-dot-com
> Subject:	Magnetron Rectifiers
> 
> Original poster: "Marry Krutsch by way of Terry Fritz
> <twftesla-at-qwest-dot-net>" <u236-at-earthlink-dot-net>
> 
> Hi All.
> 
> 	I just ran a few (crude) tests concerning the use of magnetrons as
> rectifiers.  They may be useful for rectifying NST output, or even tesla
> coil output (since tubes should be less sensitive to the frequency).  I
> ran a single tube (without the magnets installed) the same way you would
> run a normal tube rectifier.  Using the standard 3.5 VAC filament power,
> and an H&R xfmr for the HV supply, the voltage output was comparable to
> my diode stack.  (I only measured up to 30 volts in on the variac, since
> my meter doesn't like anything higher.)  Output current was lower than
> with the diodes until the filament voltage was raised to 5.5 VAC.  Then
> the current was only slightly lower than with the diodes.  I got 300 mA
> out with the filament at 5.5 volts.
> 
> 	I hooked up my 15/60 neon to the setup, and at full voltage got a
> nice
> 60 cycle chatter from the resulting arc.  There were a few brief
> flashovers, but this can be stopped with electrical tape, or silicone
> sealant.
> 
> 	Of course for most things, using diodes is easier and more
> practical. 
> Just another option for those of us who would like to try something new.
> 
> 
> Winston
> 
>