The silence is deafening; sorry I can't help on specifics. I would think
almost any thin-wall tube could be used for the sleeves and the lightest
possible spring (lowest rate and length closest to locked-in-place
balls) would be best. Beyond that, I'm of no real help.
What is the expected lifetime (cycles, un-locked revolutions, and years)
of the part?
Donald.
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On 2019-12-23 7:30 p.m., Steve via Shop-talk wrote:
> Hereâ??s why Iâ??m confused!
> Iâ??m trying to reverse engineer and then create a few copies
> of a partially complete OVERRIDING ROLLER CLUTCH (one-way)
> that we have available, in-house (see photos at bottom of post)
> I need to re-create the missing spring cover sleeves and springs
> that follow the rollers. If youâ??ve got any experience with
> OVERRIDING ROLLER CLUTCHES, youâ??ll know what I mean.
> Related image
> Iâ??m hoping that thereâ??s a simple value range that I can pick from and
> maybe even find some already available spring covers and even springs
> that can be adapted.
> Image result for overriding roller clutch
> If youâ??re interested in what this fits, itâ??s for a specific Gray & Davis
> (Boston MA)
> manufactured starter. The original OVERRIDING ROLLER CLUTCH assembly was
> a sub-assembly for G&D and supplied by Miesel Press, a Boston machine tool
> manufacturer. This starter was optionally available on Overland
> automobiles in 1914.
> Any suggestions?
> Below is the actual 6 roller version (maybe inserted in the 1950s??) in
> place of the
> original 3 roller version. Weâ??re working with the 6 roller design, as
> itâ??s interchangeable
> with an original 3 roller version. As can be seen, weâ??re missing the
> springs and spring
> cups that follow the rollers, keeping them ready to lock the rotor to
> the shaft rotation.
>
> clip_image002clip_image004
>
> Center rotor (w/ square drive) is 15mm thick
>
> Max diameter of rotor is 68mm
>
> Rollers are 15mm x 8mm dia. (or 5/16â?? dia.) ambiguous
>
> Square drive is 20 x 20mm
>
> Outer (containment) race machined into sprocket casting
>
> Steve Hammatt
> Mount Vernon WA USA
> 360-661-6060
> gsteve@hammatt.com
>
>
>
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