managed a few hours today,
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for the (hopefully)final assembly iv drilled the shaft for the grub screws to bite into and for the pinion gear iv sweated the gear onto the shaft and used a roll pin,which im sure is very stable and wont come loose but now if i have a bearing faiure im going to have to pull the shaft back through the 60t gear and the other bearing,so im not sure iv gone the right way...