Quote:
Originally Posted by InFlight
For normal FRC designs such as Gearbox shafts, intake rollers etc. with some reasonable designed bearing supports, torque loads only, and shorter shaft distances 6061-T6 is more than adequate. We do typically use 7075-T6 since it is readily available.
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This is still way too general/suspect advice. I can think of hundreds of gearboxes teams have made with short, well supported, only torque loaded shafts that would immediately fail if they were 6061.
With the prevalence of thunderhex and regular hex from VEXpro, there is really no reason to be using 6061 shafting, even if the application can handle the loading.