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RC-Monster Mike · 06.15.2009, 11:20 AM

2 major problems with drilling the existing pinions:
1) - they are HARD. they would need to be annealed, drilled and re-hardened
2) - they only have 10mm of total material at the set-screw area, which would only leave 1mm wall thickness after boring to 8mm. This is not enough meat.

You probably could make a collar to slide over after boring and make it work, but it will be a bit of work no matter how you slice it.

	(#72)
RC-Monster Mike Site Owner Offline Posts: 4,915 Join Date: Nov 2004 Location: PA	06.15.2009, 11:20 AM 2 major problems with drilling the existing pinions: 1) - they are HARD. they would need to be annealed, drilled and re-hardened 2) - they only have 10mm of total material at the set-screw area, which would only leave 1mm wall thickness after boring to 8mm. This is not enough meat. You probably could make a collar to slide over after boring and make it work, but it will be a bit of work no matter how you slice it.