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Thread: Would this be coring backwards?

  1. #1
    Join Date
    Nov 2006
    Location
    Forest, Ontario, Canada
    Posts
    386

    Would this be coring backwards?

    I finished this bowl last night and since I had taken some pictures along the way I put up an article on the method on my website. The bowl is soft maple with a feature ring of walnut and lacewood. About 14 1/4" diameter by 6" high. Finish is Clapham's Salad Bowl finish, a blend of beeswax and mineral oil.

    2nd big bowl-800.jpg

    2nd big bowl done-800.jpg

    The link to the article is: http://bobhamswwing.com/Articles/Cor...0Backwards.htm

    Take care
    Bob

  2. #2

    Thumbs up

    Well I think thats a pretty good description of what you did Bob.
    Nice Bowl and what a good way to take a smaller blank and stretching it out to get a larger turning and not having to sweep it up in the floor!
    Have Chainsaw- Will Travel

  3. #3
    Join Date
    Feb 2003
    Location
    Kennewick, WA
    Posts
    349
    Bob,
    Nice piece of work and excellent "how to" article. Maybe, just maybe, with your approach, everything in my burn pile, isn't.
    Thanks again for the article.
    Ernie
    Ernie on-the-dry-side; WA

  4. #4
    Join Date
    Jan 2005
    Location
    Goodland, Kansas
    Posts
    22,605
    Great bowl Bob. The article is awesome. Thanks for sharing.
    Bernie

    Never put off until tomorrow what you can do the day after tomorrow.

    To succeed in life, you need three things: a wishbone, a backbone and a funnybone.



  5. #5
    Join Date
    Dec 2004
    Location
    Myrtle Beach, SC
    Posts
    872
    Now that's a neat idea. I like it!!
    Brian

  6. #6
    Join Date
    Dec 2006
    Location
    Fort Worth, TX
    Posts
    236
    That is a nice looking bowl. Thank you for showing how you did it. Another idea I've put down to try.
    John

    "It's only when you look at an ant through a magnifying glass on a sunny day
    that you realize how often they burst into flames."

  7. #7
    Join Date
    Oct 2006
    Location
    Harvey, Michigan
    Posts
    20,807
    Bob - thanks for a great how-to article! I like the bowl form, color contrasts and finish - will keep your system in mind the next time I have a smaller blank to turn. Thanks!
    Steve

    “You never know what you got til it's gone!”
    Please don’t let that happen!
    Become a financial Contributor today!

  8. #8
    Join Date
    Dec 2005
    Location
    Cherrylog, GA
    Posts
    80
    Bob, that is outstanding. I definately plan to try that .
    __________________________________________________ ______________
    I wasn't born in the mountains, but I got here as fast as I could!

  9. #9
    Join Date
    Aug 2005
    Location
    Midwest
    Posts
    2,043
    Bob,
    In addition, there are two other techniques that accomplish the same things as your process without going into full segmentation.

    Tech #1. You can cut a board on the bandsaw by making a bevelled cut spiralling towards the middle. You make the spiral by putting a screw in the center and attaching a pencil at the end of a string. Then you trace inward as you wrap the string around the screw. Next you stretch the piece (like a slinky) and glue it into a bowl shape. Finally you turn it as you would with any blank.

    FYI-Scott Phillips' "The American Woodshop" has an episode on PBS to show the spiral bowl process.

    Tech #2. You cut a square board in half like your "Dovetail Bowl" process listed on your site and assemble the bowl out of half-circles.

    If it were me, I'd stagger the joints for a stronger bowl and more interesting swirl look. Also, as you cut the half rings, you might want to change the angle to give a better curve on the piece. Your bowl looks like a cone but could look like a flared cone or round bowl if you changed the cutting angle by a few degrees on each successive BS cut.

    So...if you cut the outer ring first and decrease the angle a few degrees for each cut, you'd end up with a piece that look like a flared cone. If you increase the angle, you'd end up with a rounded bowl shape.

    Take care,
    Dick

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