nuckolls.bob(at)aeroelect
Guest
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 Posted: Sun May 24, 2009 6:53 am Post subject: Source for the coiled cord used on yoke type aircraft |
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At 07:43 AM 5/24/2009, you wrote:
| Quote: | Looking for 2 conductor, 6 inches long for each piece. 2 pieces
needed now, but if good source, would get several for my mechanic. Thanks Bob.
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Coiled cord is not something you find as a "by the foot"
bulk item. Coiled cords are custom made with wires,
of specified insulation color and material, a diameter,
coiled length, uncoiled length, and usually some straight
segments at each end. I've had occasion to order such
items several times over the years.
Coiled cords in the wild are prolific. The electrical/
electronic products world is fond of them and
they're readily available as new or surplus. Try
e-bay and search on coiled cord . . . you'll get
a hundred plus hits.
Your mechanic is correct, the "shiny" stuff tends
to be pretty cheesy plastic. However, the matt finish
are generally some form of more robust rubber. Getting
the wire size is problematic. Many small signal
applications (usually audio) don't need much
copper to do the job . . . on occasion you'll
find coil cords wired with copper foil wound
around a string core . . . nearly impossible
to make connections.
Coiled power adapter cords for cell phones
flash guns, dash mounted GPS receivers, etc. tend
to be heavier conductors made from real wire.
Every coiled cord has two conductors, some will
have more. I think many of the personality modules
for upscale cigar lighter adapters "talk back"
on one or more wires to the electronics in the plug.
These are more expensive . . . like $25 or so . . .
http://www.radioshack.com/product/index.jsp?productId=3336570
. . . but you might be able to get two cords
from cannibalizing the one device.
Somewhere in my skunk werks boxes I have some
2-conductor coiled cords I bought off E-bay
many moons ago. Things are somewhat scrambled
right now with the move but I'll dig around
and see what I can find. In any case, there
are dozens of opportunities out there to be
explored. Start with R-S, Best Buy, WalMart
electronics, etc. Of course, when you cut
a stock cord, only one end will have the
desired straight section, the cut end will
be coiled . . . but I'm sure you can deal
with that. I'll let you know about what
I find in the junk box.
Bob . . .
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