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Help!(F-15)

120 HenriBobby  5.2 years ago

Ok so im working on a F-15 but when I pitch, the plane just trembles and it simply really doesnt pitch well. Its been a major problem with most of my planes... can someone help me plz?

General Characteristics

  • Created On iOS
  • Wingspan 44.0ft (13.4m)
  • Length 64.0ft (19.5m)
  • Height 18.6ft (5.7m)
  • Empty Weight 26,963lbs (12,230kg)
  • Loaded Weight 48,070lbs (21,804kg)

Performance

  • Power/Weight Ratio 2.805
  • Wing Loading 72.3lbs/ft2 (353.1kg/m2)
  • Wing Area 664.7ft2 (61.8m2)
  • Drag Points 4762

Parts

  • Number of Parts 71
  • Control Surfaces 2
  • Performance Cost 573
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    795 MMDerK

    @HenriBobby So you want to improve the pitch performance of this F-15?
    There are several ways to improve pitch performance
    1 Bring the center of gravity and aerodynamic center closer to the limit where the airplane can fly without spinning
    2 Install the elevator on both the primary wing and horizontal stabilizer (Set the primary elevator invert to Yes and the stabilizer elevator invert to No.)
    3 Set the elevator length to 20%
    Control Surfaces length can be set within 10 to 90%
    However, if the length of the elevator is too wide, the pitch performance will drop because the wings will stall
    The optimal elevator length is 20%

    +1 5.2 years ago
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    @MMDerK yes i knew this is what is working but the plane is WAY LESS agile... it’s hard to just pitch... and it’s extremely long to loop and all... I was just wondering if there’s any other way.

    5.2 years ago
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    795 MMDerK

    All-flying tail wings are less stable
    Increase stability by lowering the range of motion and operating speed
    The ideal I have reached after testing is a movable range of 10 ° and a rotation speed of 40% (This is my personal idea, so you don't have to follow)

    5.2 years ago