[dorkbotsea-blabber] Looking for someone mechanically inclined

[Josh Kopel]

They are sometimes called "D" shafts (for obvious reasons).
You often find them with gears that have a corresponding internal flat.

Wim Lewis wrote:
>
> On Sep 2, 2008, at 2:22 PM, Brett Wagner wrote:
>> Also is there an industry term for shafts that have.. for lack of a 
>> better way to describe it, part of their circumference shaved down to 
>> form a flat bit?
>
> ooo, I know this one! The flat part is called a "flat". :) As I 
> understand it, they're traditionally meant to be used with a 
> set-screw, but (at least for small stuff) I also see gears with a 
> corresponding chord filled in in their bore. I don't know if that's 
> considered a special case of a key+keyway, or splined shaft, or not.
>
>
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josh kopel