I'm certain the large slot for the dog shifter was more of a stress riser than the snap ring grooves.
And Chris, not that most teams use snap rings on the extremes of the shaft, where there is no load being applied; it's less common to see them between loads like this.
Quote:
Originally Posted by EricVanWyk
Could someone with some MechSkills post an FMEA of the stress in a design like this vs a key-way?
Thanks!!
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It wouldn't be a universally accurate demonstration.
The location of all such features and loads would have a large effect on the result.