How to make a weed eater drive shaft?

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John Doe's Avatar (by Gravatar)John Doe posted on
February 3, 2012, 11:37 am
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Anybody have a link to a picture or video/whatever that shows what
a weedeater drive shaft looks like on the inside? I think they
spin at thousands of RPM, so maybe they have bearings inside to
keep the drive shaft from slapping against the outer tubing? And
what is the drive shaft usually made out of?

Thanks.






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Jim Wilkins's Avatar (by Gravatar)Jim Wilkins posted on
February 3, 2012, 11:42 am
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Re: How to make a weed eater drive shaft?



They are like heavy speedometer cables, and need to be pulled out and lubed
periodically.





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Steve W.'s Avatar (by Gravatar)Steve W. posted on
February 3, 2012, 1:50 pm
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Re: How to make a weed eater drive shaft?


The straight shaft ones usually have a simple solid piece of 1/4 or 3/8
stock from the clutch doen to the head. In the middle is usually a
simple bearing that is a slip fit down the tube.

Curved shaft ones use 1/4" flex cable that looks like speedo cable.

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