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'[EE] Continuous flex cable for fencing strip'
I need a lot (>1000 feet) of "continuous flex" cable.
This is for fencing (the sport), where each fencer is connected to a
cable which runs over a pulley, with tension provided by a bungee (elastic)
3 conductors are required, but 2 pair is fine. The main requirement is that it be small and flexible.
The tension on the wire is low, strength is not a big issue.
1/4" is the absolute max, but such cables are likely to be too stiff to run freely around the 2" pulley.
Obviously the wire must be stranded and of a high gauge.
Ideally I would use an Industrial control cable, but they are far too expensive (~$1/foot.)
4-wire silver satin (flat telephone cable) almost works and is wonderfully cheap (.02-.03/foot),
but being flat, it's not ideal for going around the pulleys.
Also lifetime is not great, but is made tolerable by the low price.
The most interesting cable I have found is that on my PCs mouse.
It looks to be about 1/8" thick and I think has 5 conductors.
Seems about ideal, but the 100' mouse extension cable that I bought turned out to be much to thick and stiff (more like a keyboard cable).
I'm going to try stranded 4-wire round telephone cable next.
Unless someone can point me to a spool of mouse cable?
I have Googled much with no success.
Alan B. Pearce
>3 conductors are required, but 2 pair is fine.
>The main requirement is that it be small and flexible.
>The tension on the wire is low, strength is not a big issue.
>1/4" is the absolute max, but such cables are likely to be too stiff
>to run freely around the 2" pulley.
>Obviously the wire must be stranded and of a high gauge.
You don't seem to have considered using the smallest sizes of mains cable,
which should fit this requirement. Look at the cable used for things like
VCRs and other very low power appliances. Good flexible wire with a
(relatively) heavy duty sheath compared to what you listed.
You may need to hit up a cable manufacturer to actually get what you need
though, as I doubt such stuff is normally available through retail outlets.
Have you looked at the smaller sizes of audio cable?
We use some that is 2 core & (lapped) screen,almost circular and about
3mm diameter. Very fine wires so it's very flexible & reasonably
The sample I have here is from Radiospares & type number 376-230. (100m spool)
On 18/08/05, Alan B. Pearce <rl.ac.uk> wrote: A.B.Pearce
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