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  1. Stephan Nelle

    23.603(b) Workmanship must be of a high standard.

    For those in the Part 23 world, curious to hear your interpretation and application of 23.603(b). No ulterior motives, purely curious to hear how others in the industry interpret this rule and show compliance to it. In my mind it is a bit of a catch-all, showing the design is well thought...
  2. Stephan Nelle

    Alodine aluminum AFTER installing nutplates

    Having a debate with another group internally. Here's the scenario: 6061-T6 plate welded to a 5052-O tube. The plate gets NAS680A3 nutplates riveted on with (alodined) AD rivets. Group 1 is pushing to weld the plate to the tube, then rivet the nutplates to the plate, then alodine the whole...
  3. Stephan Nelle

    SCEET Hose Spec

    Is there a mil-spec or similar industry spec (AN, MS, NAS, AMS, ASTM, SAE, etc) that SCEET hose is made to that provides dimensional, material, and performance criteria? Like an AN960 washer spec sheet, but for SCEET hose. The manufacturer of the SCEET hose that my company has been using for...
  4. Stephan Nelle

    7075-T6511 Extrusion S/N Curves

    I am looking for S/N curves of 7075-T6511 extrusion. The closest I have found is the first S/N curve in the 7075 section of MIL-HDBK-5J (Figure 3.7.6.1.8(a)or MMPDS-01 (Figure 3.7.6.1.8(a) MMPDS-08 (Figure 3.7.9.1.8(a) and MMPDS-13 (Figure 3.7.10.1.8(a)...these are the documents I have access...
  5. Stephan Nelle

    Measure tension of installed cable tie

    My company is wanting to compare the installation repeatability of nylon cable ties (zip ties, tie raps, ty raps, etc) as installed by hand vs installed with an installation tool (such as: https://new.abb.com/products/7TAA131790R0001/cable-tie-installation-tool-18-50lb). The installation tool...

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