Quote:
Originally Posted by sanddrag
Also, on the "thumb test" the 775 shaft is significantly larger than the 550 shaft. You're able to get a much better grip on it, and apply more torque to it.
Not at all scientific nor conclusive.
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i made a hub out of delrin which press fit onto the rs 775 axle, on the other side it pressed onto the rs550 axle, they were both the same delrin drum which was tested.