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Steel spring wire thickness to turn a crank?

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John Doe

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Apr 22, 2017, 4:35:29 PM4/22/17
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Thinking about turning the crank of my bicycle with a wire
spring. Approximately, how thick will be spring wire need to
be?

https://youtu.be/oAj1F5fSGWI

The spring will be placed between the drill and the hub spindle.

Thanks.

Jim Wilkins

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Apr 22, 2017, 6:34:18 PM4/22/17
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"John Doe" <alway...@message.header> wrote in message
news:odgekf$uid$1...@dont-email.me...
http://www.plantengineering.com/single-article/relationship-of-torque-and-shaft-size/97eb6b3f6b32adcdd181341ebbdc3224.html


Cydrome Leader

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Apr 22, 2017, 6:51:40 PM4/22/17
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What are you trying to accomplish?
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