I've been wondering whether (taking the cost out of
the equation for a moment), the very large, flexible,
braided cable that is being used in car stereo power
applications (usually by teenagers with more money than
brains) would make a good gamma match to shunt feed a
crankup tower on 80m or 160m.
Check out:
http://www.partsexpress.com/pe/showdetl.cfm?&DID=7&Product_ID=14811&CATID=56
// hype inserted
1/0 Gauge power cable:
EFX power cables are the optimum choice for your amplifier
or accessory. Constructed of 99.95% pure Oxygen Free High
Conductivity (OFHC) copper, this ultra-flexible power cable
features a chemically resistant, non-gripping jacket,
available in red for power and black for ground, and offers
a high strand count for optimum current flow and lower
resistance over long wire runs. EFX power cable has a high
temperature rating of 257degrees F (125degrees C) and a UL
temperature rating of 221degrees F (105degrees C) to
-22 degrees F (-30degrees C). 16mm OD. Made in the U.S.A.
Please order a minimum of 5 feet.
// end, hype
Recently, I stumbled into a car stereo installation shop
and had some time to kill. I took at look at something similar
to this stuff while waiting. No doubt, it's very flexible
for cable that heavy. Man, is it expensive though! As I
sat and watched teenagers & college students come into
this place and put this stuff on credit, I started
thinking... hmmm, I wonder if a kid wrecks his car, or
it gets reposessed or... I'd bet there might be a cheap
source of this stuff if I could get friendly with the guy
running the place. My question is... any idea how well it
might work for RF applications? At $6.95/ft, I don't think
I'll be buying any off-the-shelf by the roll (at least not
for radials :) ).
Of course, I don't plan on buying any 2.0 Farad "stiffening
capacitors" (20 V with LED displays) @ $174.90 either:
http://www.partsexpress.com/pe/showdetl.cfm?&DID=7&Product_ID=7134&CATID=41
However, if I came across one that was ~free, I wouldn't
turn it down. It would just sit in my pile until I thought
of some way to make good use of it (suggestions?).
Nor will I be using the gold plated battery terminals
on my mobile station (although, I'm sure would probably
bring the elusive DX): :)
http://www.partsexpress.com/pe/showdetl.cfm?&DID=7&Product_ID=6289&CATID=35
Anyway, keep a lookout for a kid with a >140dB sound
system in his car that he can no longer afford. You might
find a bargain (I'm hoping to).
Pat, NØHR
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