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Nosewheel steering and rudder

Scheduled Pinned Locked Moved RJ Professional
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  • S Offline
    S Offline
    smashingjonor
    wrote on last edited by
    #1

    Hello,

    I've noticed that while using separate rudder and tiller, it's very hard to stay on the centerline in a crosswind.
    It feels like the rudder doesn't have enough authority to fight the tendency of the aircraft to yaw into the wind.
    And yes, I do input aileron into the wind.
    Since I'm not a real Avro pilot, I cannot say if the Avro was difficult in crosswinds due to this or if it's just the JF RJ.

    I've also noticed that the steering and rudder behavior is rather "quirky".
    If I apply rudder and steering tiller at the same time, both axis seem to merge into one single axis which makes it impossible to smoothly transition from steering to rudder during crosswind take-off and landing.
    And no this is not a matter of the rudder aerodynamic force counteracting the steering force because of crossed controls, the nosewheel/rudder split is simply not respected when making inputs to both at the same time.

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  • MarkM Offline
    MarkM Offline
    Mark JF Staff
    wrote on last edited by
    #2

    We did test the RJ up to its maximum crosswind components of 35 knots, and sufficient yaw control was confirmed with the "Rudder Steering Axis" option enabled and disabled to maintain the runway centreline. That's not to say something in the sim, or other changes to the flight model may have changed that at some point post-release though, so we have made a note to double-check that ahead of the next update.

    The "quirky" nose wheel steering/rudder control that you mentioned is a known side effect of a fix that was created to prevent conflicts between the nose wheel steering axis and rudder axis control assignments. From our testing (as well as feedback we received since that fix was applied), the current method of nose wheel steering is the better logic and should match the behaviour seen in other aircraft that have the option to disable the nose wheel steering from the rudder axis.

    Mark - Just Flight

    Just Flight Development Assistant

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