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Thread: McNaughton Saves The Day

  1. #1
    Join Date
    May 2010
    Location
    Ambridge, PA
    Posts
    968

    McNaughton Saves The Day

    Had a cherry log on the lathe today for a pith-in vase. After getting the bark off and getting it round, discovered a number of bark inclusions and other defects at the end I wanted to be the vase top. Determined I needed to get rid of a good 3" off the end of the piece that was almost 8" diameter.Guess I could have turned it away but got the straight McNaughton coring knife out and just parted it off in no time flat. I know others have mentioned this before and I've used it before on some test pieces but this was the first time I was doing something for real and sort of got stuck trying to figure out what to do...short of getting the electric chainsaw out. Works great and recommend it.

  2. #2
    I once parted a 4.5" thick crotch figure walnut blank into two platter blanks with the straight McNaugt. The blank was about 18" diameter. A conglomeration of handles and handle extensions were put together to make a handle that was at least 4' long. Even with a handle with that much length, the upward force on the handle was significant. Got the blank parted without to much puckering, but learned not to do it again.

    Since then, I will part in a comfortable distance and then finish the cut with a narrow bar electric chainsaw.

    I use the McNaught parting tool to remove the 'donut' piece from hat blanks. The cut from the OD of the blank is a fairly easy cut. The cut into the face of the blank can grab the cutter though, and using a widening of the cut process similar to parting spindle stock is neccessary.

  3. #3
    Join Date
    May 2010
    Location
    Ambridge, PA
    Posts
    968
    Quote Originally Posted by Dale Miner View Post
    but learned not to do it again.

    I've got a couple of those too Dale. Thanks for the tip on usage of the McN for the hat blank. Do you know if anyone has made a video of that?

  4. #4
    Join Date
    Feb 2008
    Location
    lufkin tx
    Posts
    2,054
    My signature parting tool for big pieces. A) be careful to follow instructions. B) experienced chainsaw operators only.. C) far safer than parting tools--ouch. Mount your spindle log between centers or on a faceplate securely. Round/rough out to very round. With a 1/4" parting tool cut a groove 1/2" deep at the cut. Rotate the log away from you Slowly(variable speed needed). Place your saw blade in the slot running 1/3 throttle and let the groove guide the cut--it will keep the cut very straight. Continue until the center is easily cut with a hand saw. You can cut all the way through being prepared for the lathe to bind and stop--push the red button yeah. This makes a very straight cut good enough to glue block to. Take care and do not stop the saw blade but keep it going slow. I have done this a dozen times with no problems with logs up to 14". Use common sense?? INCOMING

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