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  • Users: lewbloms
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  1. lewbloms

    1/8" piano wire springback

    I'm designing some tooling to form 1/8" piano wire and need to know how much spring back to allow for. Surely someone out there knows the answer by heart. Thanks
  2. lewbloms

    Can't find long shear fasteners

    I'm in need of long (1 3/8" grip) 1/4" dia. shear fasteners (125+ ksi). There are plenty of 1/4" shear fasteners that fit the bill, but we can't find them in the -22 length. Any help would be appreciated.
  3. lewbloms

    Skin vibration damping

    The belly of our agricultural airplane is CRES, for corrosion resistance, thin (.018) for lightness. It is attached to the steel truss frame along the edges and to cross tubes with rivets to brackets. There is 1" to 2" of space between the truss and the skin, and cracking from vibration has...
  4. lewbloms

    1/8 hard 304 tube mechanical properties

    Anybody know a source acceptable to the FAA for this information? MIL-HBK-5J only addresses annealed, 1/4, 1/2, etc. Some vendor's handbooks have it, but I have to have a better source. Lew Blomeley
  5. lewbloms

    4140 steel mechanical properties

    MIL-HBK-5J isn't very helpful here. Does anyone know a good source for mechanical properties of this alloy?
  6. lewbloms

    AISI 4140 steel mechanical properties

    MIL-HBK-5J doesn't give much on this alloy. Anyone know a source for the mechanical properties of 4140 in various conditions?

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