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Thread: Krenov adjustment problem

  1. #1

    Krenov adjustment problem

    I just built my 4th Krenov style plane. All my others worked great from the get go, but this one is giving me problems. Specifically, its a short-ish jointer ~17" maple with cocobolo sole. Works nicely, but I can't back the blade out no matter how hard I smack it. I can deepen, and make lateral adjustments with the same taps as on my other planes, but cannot adjust for a lighter cut without removing the wedge and starting over.

    Any insights?

  2. #2
    Join Date
    Apr 2006
    Location
    Escondido, CA
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    6,224
    Gabriel,

    Are you tapping on the heel of the plane or on the top back of the plane?
    Also, what is the angle of the blade.

    I see a difference of geometry when the heel is so far back and especially if the angle is steep. The tapping becomes close to a right angle to the blade instead of being close to in-line with the desired motion. Is there a safe place to tap the top side of the back half of the plane?

    Brian
    Veni Vidi Vendi Vente! I came, I saw, I bought a large coffee!

  3. #3
    I've been tapping, actually TAPPING the tail. The blade is at 45. I figured it had something to do with the geometry. I suppose I'll give it a shot more on the top of the plane. I've yet to do any carving, perhaps I'll work a little ledge into the top.

  4. #4
    Join Date
    Apr 2006
    Location
    Escondido, CA
    Posts
    6,224
    I look at Steve Knight's wooden planes and they appear to have a tapping area on the top back of the tail. That would make sense if you want the energy to go at a 45° angle to the plane body (same as the blade).
    Veni Vidi Vendi Vente! I came, I saw, I bought a large coffee!

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