Quote:
Originally Posted by rc_penguin
Yup, all four of the hinge pin blocks are plastic, along with them, the diff bushes and pinions (also under testing) are the only plastic parts on the X11RS  (Off the top of my head)
Nice thread btw Mark 
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Hope they've changed the material if you're running plastic pinion gears in the gearboxes. In the XK98 running 12 turn motors they used to last about one and a half meetings. If you left them longer than that they took the crown gear with them when they started jumping teeth.
The steel pinions are wonderful...