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  1. Reldys Romero

    Choosing the right valve for the pressure

    Hello all, I am wondering if there is a standard multiple # that people use to determine the right valve max operating pressure for a system delivery a specific pressure (3000 PSI as an example). For example a 737-300 runs hydraulic pressure at 3000 PSI. I am wondering if a valve rated at a...
  2. Reldys Romero

    Commercial jet Tire expansion

    Hello, I am inquiring about the use of a proper formula to use to find out the expansion in a commercial jet as they take off during flight. Like, a standard expansion or a range. What comes to mind is some form of a normal/tangential formula to find the change in displacement and this way i...
  3. Reldys Romero

    2024-O vs 2024-T3

    Hello, I like to know if 2024-T3 requires heat treat to T42. I have decided to use 2024-T3 instead of 2024-O which required the heat treat to T42 but i am not sure if the 2024-T3 requires it?
  4. Reldys Romero

    Fastener Alternates

    Hello, I am inquiring about an alternate P/N to HL62-PB70-6-4 and HL63***** these being the first oversize. I have been looking around and i cant seem to find an alternative. I have found that BACB30FP and BACM30FQ respectively to be the alternates but i cannot find a site or on My Boeing fleet...

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