Quote:
Originally Posted by Stefan Buda
The phosphor bronze part, second part from bottom right corner, screws into the back plate and the thumb wheel has a threaded shaft that engages it. The threaded shaft has been split to act as a spring and has an M3 grub screw down the middle in order to spread it apart in a controlled way. The spring action is needed to get rid of backlash. The split shaft is made of hard alloy - Al7075 - and is hard anodised.
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That's a very peculiar system. Is it your own brew?
I would imagine with all the moving parts, angles and hinges the machining tolerances and fit would be extremely tight and challenging.