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The lathe pictured is from Harbor Freight. It has been disassembled, cleaned, and re-fit with improved hardware, and a home brewed chuck, fashioned from a Grizzly 6" 4-jaw independent chuck, and modified after the J.T. Cooke style chuck that several tool makers are making for stummels (this home brewed version works just as well, but sure is not as pretty!). The locating pins allow for precisely positioning the air hole relative to the tobacco chamber. For bent pipes, to sets of locating holes are used. Drill the mortise on the shank bend axis, reposition the block for the air whole, tobacco chamber axis, drill the air hole, then loosen the block slightly, pivot the block on the pins, and re-tighten it to perfectly align the chamber with the air hole.
 
The lathe pictured is from Harbor Freight. It has been disassembled, cleaned, and re-fit with improved hardware, and a home brewed chuck, fashioned from a Grizzly 6" 4-jaw independent chuck, and modified after the J.T. Cooke style chuck that several tool makers are making for stummels (this home brewed version works just as well, but sure is not as pretty!). The locating pins allow for precisely positioning the air hole relative to the tobacco chamber. For bent pipes, to sets of locating holes are used. Drill the mortise on the shank bend axis, reposition the block for the air whole, tobacco chamber axis, drill the air hole, then loosen the block slightly, pivot the block on the pins, and re-tighten it to perfectly align the chamber with the air hole.
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A full size metal lathe can also be used with a shaping, with sanding disk on an arbor chucked into the headstock, and buffing wheels with arbors. A full size metal lathe comes about as close as you can get to a one tool pipe shop!
    
An excellent resource for information on the Chinese 9"x2" lathes can be found on Yahoo groups. The file sections include entire manuals, as well as through cleaning procedure, and various modifications and improvements:
 
An excellent resource for information on the Chinese 9"x2" lathes can be found on Yahoo groups. The file sections include entire manuals, as well as through cleaning procedure, and various modifications and improvements:

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