• Which the release of FS2020 we see an explosition of activity on the forun and of course we are very happy to see this. But having all questions about FS2020 in one forum becomes a bit messy. So therefore we would like to ask you all to use the following guidelines when posting your questions:

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Recent content by markadeane

  1. M

    FSX Constant speed recip - Uncontrollable RPM at high speed

    In the end yes, it was a matter of adjusting the curves on those air file tables. I'm able to get a shade of 300kts true now. It took a lot of trial and error (about 13 revisions I think) before I got it set up right.
  2. M

    FSX Constant speed recip - Uncontrollable RPM at high speed

    Absolutely, I accept that. Reference to groundspeed in the real world for this calculation is of course aerodynamically illogical! What concerns me though (based on some as-yet-unverified observations) is that FSX might be using movement relative to the surface for this calculation, as it...
  3. M

    FSX Constant speed recip - Uncontrollable RPM at high speed

    Thanks for that info, it confirms my research into the .air file so far. My main area of interest right now is on the manner in which aircraft speed (ft/sec) is derived for ‘J’. The issue I am encountering appears to be tied to either true airspeed or possibly groundspeed. Onset occurs at...
  4. M

    FSX Constant speed recip - Uncontrollable RPM at high speed

    Thank you sir, appreciate the guidance. My initial tweaking of beta_max wasn't effective, but I'll experiment further and look at the prop characterisitcs of the air file also. Thanks again!
  5. M

    FSX Constant speed recip - Uncontrollable RPM at high speed

    Hi all, I’m hoping that one of you kind folks might help me out with my first foray into flight model tweaking. I recently acquired the excellent Realair Lancair Legacy. While I enjoy it in its 'stock' form, I decided to modify it to enhance the cross country performance. In effect...
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