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  1. skiaddict

    FAR 25.613 and A/B Basis Applicability

    RPstress, Thank you. I think I have a good understanding now...or at least I think I do.
  2. skiaddict

    FAR 25.613 and A/B Basis Applicability

    Ok, fair enough. If that's true, then I guess I'm having a hard time understanding why the S-Basis exists. In MMPDS, Section 1.4.1.2 "Statistically Calculated Values"- Statistically calculated values are S (since 1975), T99 and T90. S, the minimum properties guaranteed in the material...
  3. skiaddict

    FAR 25.613 and A/B Basis Applicability

    After doing some more research, I supposed the better question is: Does an S-Basis material from MMPDS satisfy Section A of FAR 25.613 FAR 25.613 a.) Material strength properties must be based on enough tests of material meeting approved specifications to establish design values on a...
  4. skiaddict

    FAR 25.613 and A/B Basis Applicability

    Hello everyone, I'm a bit new with dealing with FAR 25.613 but I have a question, or a request, that many of you may be able to help with. I work for an aircraft component supplier (mainly landing gear hydraulic controls, actuator). The airframer is attempting to flow down some requirements...

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