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4hv.org :: Forums :: General Science and Electronics
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bicycle and similar cables...

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Patrick
Wed Aug 29 2012, 04:46PM Print
Patrick Registered Member #2431 Joined: Tue Oct 13 2009, 09:47PM
Location: Chico, CA. USA
Posts: 5639
does anyone know what those bicycle cables are called that have the black plastic and coiled metal sheath, then has a small diameter steel cable in the center.

i presume there are standard sizes and form factors ?
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Harry
Wed Aug 29 2012, 04:55PM
Harry Registered Member #4081 Joined: Wed Aug 31 2011, 06:40PM
Location: UK
Posts: 139
Is that the type used for changing gears or braking?
And yes, they come in standard sizes, I think there are 4 or 5 major types of cable commonly available.
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Ash Small
Wed Aug 29 2012, 06:00PM
Ash Small Registered Member #3414 Joined: Sun Nov 14 2010, 05:05PM
Location: UK
Posts: 4245
Bowden cable.

Link2
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Patrick
Wed Aug 29 2012, 06:06PM
Patrick Registered Member #2431 Joined: Tue Oct 13 2009, 09:47PM
Location: Chico, CA. USA
Posts: 5639
yes for shifting and braking, though i plan to use them for other robotic purposes.

ok let me look up "bowden cable"

EDIT: bingo! Link2

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klugesmith
Wed Aug 29 2012, 07:04PM
klugesmith Registered Member #2099 Joined: Wed Apr 29 2009, 12:22AM
Location: Los Altos, California
Posts: 1716
Patrick wrote ...
yes for shifting and braking, though i plan to use them for other robotic purposes.
The name is new to me. Thanks, Ash.

Patrick, be sure to note the critical difference in construction
between cables to transmit substantial tension force (e.g. for braking)
and cables to transmit precise displacements (e.g. for indexed shifting).

I don't know if the Bowden cable name includes flexible cables to transmit rotation, e.g for speedometers.
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Patrick
Wed Aug 29 2012, 07:57PM
Patrick Registered Member #2431 Joined: Tue Oct 13 2009, 09:47PM
Location: Chico, CA. USA
Posts: 5639
klugesmith wrote ...


The name is new to me. Thanks, Ash.

Patrick, be sure to note the critical difference in construction
between cables to transmit substantial tension force (e.g. for braking)
and cables to transmit precise displacements (e.g. for indexed shifting).

I don't know if the Bowden cable name includes flexible cables to transmit rotation, e.g for speedometers.
excellent points, ill remember them.

im trying to push and pull a rotating body, + and - 45 degrees.
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Ash Small
Wed Aug 29 2012, 08:24PM
Ash Small Registered Member #3414 Joined: Sun Nov 14 2010, 05:05PM
Location: UK
Posts: 4245
The best solution would be two cables, both pulling on the ends of the cross-piece of a 'T' shape that pivots at the intersection.
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Patrick
Wed Aug 29 2012, 08:43PM
Patrick Registered Member #2431 Joined: Tue Oct 13 2009, 09:47PM
Location: Chico, CA. USA
Posts: 5639
Ash Small wrote ...

The best solution would be two cables, both pulling on the ends of the cross-piece of a 'T' shape that pivots at the intersection.
yes, thats what i was thinking, plus again on the servo wheel.
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