[AMPS] You gotta read this....

Harv Shore af006@lafn.org
Thu, 14 Oct 1999 07:40:51 -0700


Gents
Look at
www.davemade.com
These guys are building and selling this stuff in the open!

Now YOU try to sell a 1501 Watt radio as a commercial product and see how
quickly the government takes to come down on your head!

Beautiful day here in Los Angeles
Weather guy on channel 5 sez to expect 102 today

73
K6EXO

----- Original Message -----
From: Radiodan W7RF <RFpower@radiodan.com>
To: Phil Levin W2GE <w2ge@home.com>; <amps@contesting.com>
Sent: Wednesday, October 13, 1999 8:42 PM
Subject: RE: [AMPS] You gotta read this....


>
> WOW,
>
> That's bigger than the usual requests I get, usually for 5KW out "dead
key"
> as they say.
>
> All CB or smell of CB requests are turned down by reputable manufacturers.
>
> What you describe sounds like homebrew craziness!
>
> 73, Dan Magro W7RF, (President WARC 1999, member SCDXC, SCCC)
> Manufacturers Rep & Distributor for HENRY RF Power Amplifiers.
> RF Applications Power Measuring equipment, See the VFD & WinWatt!
> www.radiodan.com <http://www.radiodan.com>     RFpower@radiodan.com
> <mailto:RFpower@radiodan.com> A trip to our web site is worth the click!
>
>
>
>
> > -----Original Message-----
> > From: owner-amps@contesting.com [mailto:owner-amps@contesting.com]On
> > Behalf Of Phil Levin W2GE
> > Sent: Wednesday, October 13, 1999 5:05 PM
> > To: amps@contesting.com
> > Subject: [AMPS] You gotta read this....
> >
> >
> >
> >
> > I'm quoting without names a message from what our CB brethren are up to.
> >
> >
> > "Take for instance...
> >
> >
> > 2X4CX15,000 being driven by 3X8877
> > Ep was close to 14 kV on the 15,000s....
> >
> > Power output was capable of over 80,000 watts Bird.  Tuning it up, with
> > a
> > 1 kW slug in the Bird meter for reverse measurements, we couldn't get it
> > to
> > wiggle up to 40 kW forward output.  At the 44 kW mark (or thereabouts),
> > we
> > blew the top of the antenna off, a nice blue corona came, and the
> > antenna
> > spit flames!  Nice, to say the least.  The tubes are run Class C, and
> > tetrodes are the tube of choice.  What with screen volts, you get better
> > efficiency.  Just have to keep those grids biased WAY negative, and you
> > can
> > live with the higher plate voltage.
> >
> > After that, we went to a "fighting stick" (Quarter wave, usually made
> > from
> > 3/4 inch copper pipe, chrome plated) and we where able to tune the amp
> > to
> > 75 kW.  It still had more to go, but that was where we left it for a
> > competition.  This was the inaugural run of the amp.
> >
> > You might wonder where the power comes from for one of these beasts (and
> > this is smallish.  The last one that I saw perform (over 4th of July)
> > was
> > capable of nearly 125 kW Avg. output)).
> >
> > Usually it is a big block motor, using alternators made by the
> > Electrodyne
> > company.  They are designed as Locomotive Braking motors, but run with a
> > small voltage on the field, they will act as an alternator...  They are
> > dual
> > stator, single rotor, producing 60 volts at 600 amps each stator, run
> > full
> > field.  Run 5 to 7 of these.
> >
> > Engine:  Large stroke, large bore with Nitrous is the name of the game.
> > Typically see 500+ horsepower.
> >
> > So, you see, the CB community has really started going nuts.  I don't
> > agree
> > with the power levels run, but that is what the market "demands".
> >
> > Like I said, if you want a good "big picture" scene, look at
> > www.bigradios.com/shadow...  Come see what us goofy CBers are doing.
> >
> > I had one blow the high voltage power supply from my video camera..  I
> > was
> > about 100 yards away... This was from near field radiation picked up by
> > the
> > power lines."
> >
> >
> > Oh Boy, Phil W2GE
> >
> > --
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> > Submissions:              amps@contesting.com
> > Administrative requests:  amps-REQUEST@contesting.com
> > Problems:                 owner-amps@contesting.com
> > Search:                   http://www.contesting.com/km9p/search.htm
> >
> >
>
>
> --
> FAQ on WWW:               http://www.contesting.com/ampsfaq.html
> Submissions:              amps@contesting.com
> Administrative requests:  amps-REQUEST@contesting.com
> Problems:                 owner-amps@contesting.com
> Search:                   http://www.contesting.com/km9p/search.htm
>
>


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