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Looks to be a 1" 8TPI. Look to the chuck that has the most opportunity, in the way of Jaw sets. I'm NOVA, others have Vickmarks, Oneways and even no-names.
I follow the wedge philosophy with non-marring dovetail holds. Consider the mortise superior to the tenon on cross-grain, maybe a bit inferior on long grain. One guy turning for fun doesn't need quick-change jaws, so you can spare that expense. 1" Pin 2" and 3" jaws will do about anything.
Better to follow the leader than the pack. Less to step in.
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The chuck is what keeps the piece of wood from flying off and hitting you up side the head. Spend your money wisely.
Twinn
Will post for food.
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The specs I saw stated 1.25 X 8 spindle. The diameter should be easy to measure, for the tpi measure from one peak of thread to one inch. If it is 8tpi it will be 9 since your are really measuring the valleys not the peaks. I have Novas and would suggest the SN2 in their line,. Toolsplus has it for $139 with shipping. You will need the 1.25x8 insert (another $20). Leaves a little bit for an additional set of jaws later on.
http://www.tools-plus.com/nova-chucks.htmlThere are other brands of quality chucks also.
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PSI CSC3000C Barracuda
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