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    Passive Pressure Log Spiral DM 7.2 Updates

    Great catch. Seeing as the equation is serving as a "catch-all", it makes sense that the discrepancy could be ~0.1 to 0.5 off. And yes, coupled with the multitude of other variables this discrepancy should have a relatively small impact. Thanks again!
  2. B

    Passive Pressure Log Spiral DM 7.2 Updates

    Should be able to access DM 7.2 for free here: https://www.wbdg.org/dod/ufc/ufc-3-220-20 Thank you for the other reference, I will take a look. Understandable that there will be variations.
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    Passive Pressure Log Spiral DM 7.2 Updates

    Hello All, I've been working with the updated log-spiral charts from the latest version of DM 7.2 (2025). I noticed using Equation 4-12, I am not able to replicate the results provided in the far-right column of Table 4-2. I understand that the equation is an approximation but some the values...

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