T66
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| posted on 27/7/12 at 06:35 PM |
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Gearchange Cable
How well will a cable deal with a tight radius from paddles , down onto the floor and run centrally to the gear lever, in my little Fiat?
Thanks
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T66
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| posted on 28/7/12 at 08:02 AM |
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Any clues chaps ?
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ReMan
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| posted on 28/7/12 at 09:11 AM |
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Not too well
I got mine from here
http://www.cable-tec.co.uk/Products/Push_Pull_Cables.asp
The specs are shown. I believe mine was 3 series, but i would really want it tighter than 6" rad, to avoid over stressing it or it binding
www.plusnine.co.uk
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T66
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| posted on 28/7/12 at 10:35 AM |
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Not had owt to do with cables before, so wasn't sure. Cheers.
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40inches
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| posted on 28/7/12 at 10:36 AM |
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If it's tight at the engine end, you would be better making up a crank, to keep the cable as straight as possible.
 
Shiny Gearlever
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T66
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| posted on 28/7/12 at 10:49 AM |
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It's the paddle end that will cause the tight radius, the fiat is tiny.
Im not convinced there's the space for it. The other option was to mounts the lever on the right side , ie no paddles , and the cable routing is
less severe.
At this rate I might just fit the Pingel solenoid and have buttons, with no mechanical linkage.
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40inches
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| posted on 28/7/12 at 10:55 AM |
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Can't you fit a crank on the side of the steering column, converting forward/back movement into up/down?
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Mr C
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| posted on 28/7/12 at 01:43 PM |
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I've used 6mm cables from cabletec which is the smallest size I would personally use for gear changing. The site mentions the minimum radius
though use that as a guide and aim to get as straight as possible. Length is a little critical as you cant just roll up the excess I went for a
slightly shorter length and added threaded rod to take up the final adjustment.
Girl walks into a bar and asks for a double entendre, so the barman gave her one
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ReMan
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| posted on 28/7/12 at 03:25 PM |
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6mm?
This is a BEC 
www.plusnine.co.uk
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BobM
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| posted on 30/7/12 at 10:18 AM |
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My experience using a cable from a paddle in a mid-engined BEC was that I eventually gave up on it as it was fairly hard work. I now use a gear lever
in the centre very close to the steering wheel which then gives a very short direct run back to the gearbox and works much better.
Not very Locost but very BEC 
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Mr C
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| posted on 30/7/12 at 01:31 PM |
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quote:
Originally posted by ReMan
6mm?
This is a BEC
TBH not sure what you are suggesting . I would use the biggest I could get away with, to ensure durability under hard use and improved feel, 6mm is
about there in terms of ease of installation flexibility etc. To be honest I would do as Bob M, above, where possible as it makes for a so much better
gearchange.
I don't hold much faith in the 6mm cable lasting any lenght of time on my setup which is a subaru gearbox mid mounted, a collegue broke a cable
literally testing its function a minute or so after just installing it on exactly the same set up.
Girl walks into a bar and asks for a double entendre, so the barman gave her one
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ReMan
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| posted on 30/7/12 at 07:06 PM |
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quote:
Originally posted by Mr C
quote:
Originally posted by ReMan
6mm?
This is a BEC
TBH not sure what you are suggesting . I would use the biggest I could get away with, to ensure durability under hard use and improved feel, 6mm is
about there in terms of ease of installation flexibility etc. To be honest I would do as Bob M, above, where possible as it makes for a so much better
gearchange.
I don't hold much faith in the 6mm cable lasting any lenght of time on my setup which is a subaru gearbox mid mounted, a collegue broke a cable
literally testing its function a minute or so after just installing it on exactly the same set up.
Well the cable tec 6mm will take 1000lb pull?
If your breaking that then there's something wrong?
And the OP was clearly looking for a small turn radius.....
www.plusnine.co.uk
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Mr C
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| posted on 30/7/12 at 10:41 PM |
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quote:
Originally posted by ReMan
quote:
Originally posted by Mr C
quote:
Originally posted by ReMan
6mm?
This is a BEC
TBH not sure what you are suggesting . I would use the biggest I could get away with, to ensure durability under hard use and improved feel, 6mm is
about there in terms of ease of installation flexibility etc. To be honest I would do as Bob M, above, where possible as it makes for a so much better
gearchange.
I don't hold much faith in the 6mm cable lasting any lenght of time on my setup which is a subaru gearbox mid mounted, a collegue broke a cable
literally testing its function a minute or so after just installing it on exactly the same set up.
Well the cable tec 6mm will take 1000lb pull?
If your breaking that then there's something wrong?
And the OP was clearly looking for a small turn radius.....
A 6mm cable will go to a 76mm radius, the smallest (5mm) will go to a 51mm radius. The 6mm cable is rated at "Light Duty" I would be
interested to see where the pull rating of 1000lb came from, perhaps for the inner wire only? a half ton rating seems high for an assembled push pull
cable with fixings on each end, the joints of which are the weak point and what determines the rating.
Girl walks into a bar and asks for a double entendre, so the barman gave her one
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