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A comment on Shaft passer. Parent comment

Re:Shaft passer by myhf on Thursday November 28, 2013 @10:53PM (#6817816)
In that situation the cable needs to be strong along its length but allow passing through orthogonally. Whereas a gear would need to be both strong and weak on the same axis.
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Re:Shaft passer by darkmighty on Friday November 29, 2013 @12:26AM (#6818006)
I agree the implementation isn't sound, but there's nothing wrong with the concept of a shaft passer.

As an example of why it is conceptually feasible, remember that you could computationally (or mechanically) determine when a shaft is closing in and open a gap in that particular support at the right time, maintaining ability to pass torque through all other supports.

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