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Thread: Another mystery tool

  1. #1
    Join Date
    Dec 2008
    Posts
    362

    Default Another mystery tool

    One of my hangar neighbors was cleaning out an old desk, used by a now 10 years deceased old school aircraft mechanic, and among the Pratt & Whitney radial engine tools and other debris was a couple of these things:







    I'm thinking some sort of crimping tool?

    I'm using one of them as a 'stop' for my spindle holding tool.



    The magnet holds the tool in place, the "tool" limits rotation of the spindle on My Emco-Meier Mill while changing tooling.

  2. #2
    Join Date
    Mar 2007
    Location
    Central Massachusetts
    Posts
    181

    Default

    Those clamp onto a framing square. For repeated cuts when making stair treads is one use.
    Bricolage anyone?....one of lifes fun games.

  3. #3
    Join Date
    Jan 2010
    Location
    Kansas City area
    Posts
    2,873

    Default Tools

    Yup - one on each leg of the square. Good for building roofs too. It's an easy way to do repeatable angle marking.

  4. #4
    Join Date
    Dec 2008
    Posts
    362

    Default

    Well, I guess old Harry was a carpenter, as well as an ass-kick aircraft mechanic! Thank's guys!

  5. #5
    Join Date
    Apr 2011
    Location
    SW Michigan
    Posts
    3,516

    Default

    We always called them stair knockers.
    *Plan for the Future but Live each Day as if it were your Last, for one day it will be* Live Life Bold, Strong, Fearless, Happy, Thankful & at Peace.

  6. #6
    Join Date
    Sep 2011
    Location
    Calgary, Canada
    Posts
    63

    Default

    Here's a set you can buy with a diagram of how to use them.




  7. #7
    Join Date
    May 2006
    Location
    north bay area
    Posts
    4,073

    Default

    Agreed stair gauges, and about the nicest ones i've ever seen.

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