Quote:
Our coaxial module was entirely supported on top by a big 1" bronze bushing about 1.25" long, and it sat on two thrust bearings that were just 1/16" thick bronze disks.
Not as efficient as bearings, but sure as heck a lot cheaper.
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Bushings are more than sufficient for the application.
Though frc118 did deploy silverthin bearings successfully for many seasons they would be the first to tell you that these bearings are often the weak point in their setup.
Fee free to review our co-axial swerve design or our Wildstang clone.
www.team221.com
Good luck!