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- Dec 25, 2011
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Further on the Atlas size standards, on the 9", 10" and both early and late 12", the headstock takes up about 12" of the bed, and the tailstock about 6". So if you know the bed length (always part of the Model Number on 10" and Compound Drive 9"), subtract 18" and you have the nominal Center to Center distance. Note also that this dimension (not just with Atlas) is without any chuck on the spindle.