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Thread: Tom Ruth's A300 speed issues.

  1. #1
    Join Date
    Dec 2010
    Bogotá. near SKBO

    Default Tom Ruth's A300 speed issues.


    I've been flying with the Thomas Ruth's A300 full package, but something that has been happening, make me think about its actual quality. I don't want to say it's a bad freeware package, because it's ot, but the T/O time is really short. For example, I took the A300-600F, fully loaded with cargo and fuel, and tried to take-off at London Stansted.
    It's runway measures 10000ft, about 3km.
    I researched the A300-600F take-off run fully loaded and it's about 2 or 2 1/2 km.
    So, I throttle-up for T/O power and I had V1 and Vr at almost 1 1/4 km.

    Can somebody help me?

    Thanks, Luis

  2. #2
    Join Date
    Jan 2007
    Imlay City, Michigan


    Yeah Mr. Ruth admits himself that he is not a master of the FDE. Some are superb, others a little lacking.

    In the aircraft.cfg you can try adjusting a few things:
    static_thrust = 61500 // Reduce Peak Thrust available. May cause lack of power at altitude.

    thrust_scalar = 1.0 // or Reduce the Thrust scaling. May cause same lack of power at altitude.

    cruise_lift_scalar=1.0 //You can reduce the available lift requiring more speed.
    parasite_drag_scalar=1.0 //Most prominent; Skin friction and Airframe(Fuse,Wing/Stabs) drag

    You can also increase the Flaps' drag scalars to require more power only when they are deployed.

    It takes a LOT of trial and error to get it tuned so it will still cruise properly. You don't want to need 95% N1 to cruise at 0.80m/FL360...Don
    HAF 932 Adv, PC P&C 950w, ASUS R4E,i7-3820 5.0GHz(MCR320-XP 6 fans wet), GTX 970 FTW
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  3. #3


    The alternative is far worse!
    CPU: I7 4790K @ 4.5 ghz, GPU and CPU water cooled
    GPU: Gigabyte GTX 970
    MEM: Gskill Rippjaw 1866 17900
    MB: Gigabyte Gaming 5 Z97X

  4. #4
    Join Date
    Apr 2010
    Wheeling, WV, USA


    I suggest making a back up of the aircraft.cfg file. Name it aircraft.old or something.

  5. #5
    Join Date
    Apr 2010
    San Diego, California, USA


    Yea, I just discovered this gem just last night. What a nice piece of software. But you guys are right, sometimes I feel like I am in a bit of a "STOL", ha! Has anyone created a FDE they are proud of and want to share?


  6. #6
    Join Date
    Dec 2010
    Bogotá. near SKBO


    Ok, thanks fxsttcb for the info, I did what you told me and I could extend the T/O distance by about 300 mts. Thank you very much.

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