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Need help (PV-40)

9,609 FX6Aviaton  1.9 years ago
222 downloads

Vertical takeoff problem:

The PV-40 plane I made unable to take off vertically, it starts to spin until it loses control.
Use the VTOL control to flip the wings.

General Characteristics

  • Successors 2 airplane(s) +35 bonus
  • Created On Android
  • Wingspan 76.8ft (23.4m)
  • Length 67.3ft (20.5m)
  • Height 20.8ft (6.3m)
  • Empty Weight 20,543lbs (9,318kg)
  • Loaded Weight 27,455lbs (12,453kg)

Performance

  • Power/Weight Ratio 0.122
  • Horse Power/Weight Ratio 0.582
  • Wing Loading 33.4lbs/ft2 (163.3kg/m2)
  • Wing Area 821.0ft2 (76.3m2)
  • Drag Points 10437

Parts

  • Number of Parts 80
  • Control Surfaces 6
  • Performance Cost 483
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    TFS(turboprop flight simulator)

    +1 1.9 years ago
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    9,609 FX6Aviaton

    @MajGenBlackbird Thank you for the tip!

    1.9 years ago
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    9,609 FX6Aviaton

    @ACEVIPER9710 Thank you very much!

    1.9 years ago
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    2,357 ACEVIPER9710

    @PlaneFX6 Its fixed check my profile for it

    1.9 years ago
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    Using RCS thrusters could help, however the main issue is the weight and balance. You’ve made the VTOL as a plane first, having an almost perfect COL,COM, and COT distribution. However, when the wings tilt, the aircraft’s COT becomes extremely high, as all the engines are on the tops of the wings. This also moves the majority of the weight backwards as well, too close to the center of lift. As such, the gyroscope doesn’t have the power to counteract this force, and it becomes uncontrollable. My recommendation is to build the aircraft like building a helicopter first, then try and transition it to an aircraft.

    +1 1.9 years ago
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    9,609 FX6Aviaton

    @ACEVIPER9710 OK then.

    +1 1.9 years ago
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    9,609 FX6Aviaton

    @RepublicOfCursedPlanes Exactly.

    +1 1.9 years ago
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    Tfs reference

    +1 1.9 years ago
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    2,357 ACEVIPER9710

    Don't worry I gotchu

    +1 1.9 years ago