Reply by LeeMills

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Posted on Jaws for my Nova G3 chuck

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702 posts in 2363 days

#1 posted 05-27-2015 11:06 PM

That is wide open. It really depends on what you want to turn. BTW I have 7 Novas with different jaws on each one.
The following is just my take.
Pin Jaws. One of my favorites. Drill a 1” hole about an inch deep, slap it over the jaws, expand, bring up the tailstock and turn away with almost zero chance of an orbit. Also holds small tenons down to about 3/8” which is handy for bottle stoppers and some other items.
70mm Jaws. Probably my go to. Over 50% more area to break away compared to the 50mm jaws using a tenon and allows a larger tenon.
100mm for big items.
My least/never used are the 35mm bowl and the mini-cole. The cole have never even been taken out of the wrapper. From my understanding the Cole are used to finish the bottom. If I had to remove/replace the 8 jaws screws and possibly move the 8 pin screws I am about 96% sure I can slap in a friction chuck, turn to a 1/8-1/4 nub and sand it off before I ever got the chuck changed to the Cole jaws. Some folks do love the Cole jaws.

So for what I do; the Pin Jaws. For a 12” or under lathe probably the 70mm jaws, for lathes up 16” I would go with the 100mm jaw instead of the 70mm.

-- We cannot solve our problems with the same thinking we used when we created them. Albert Einstein

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