[AMPS] You gotta read this....

[Ron Spencer]

And one more thing I guess they was feeding it with 4 inch rigid electrical
conduit! or was it RG 58
-----Original Message-----
From: measures <measures@vcnet.com>
To: Phil Levin W2GE <w2ge@home.com>; amps@contesting.com
<amps@contesting.com>
Date: Wednesday, October 13, 1999 5:32 PM
Subject: Re: [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
>>
>Bovine Feces.
>>
>
>
>-  Rich..., 805.386.3734, www.vcnet.com/measures.
>
>
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