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Thread: A wild helicopter idea that crashed and burned repeatedly!

  1. #1
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    Lightbulb A wild helicopter idea that crashed and burned repeatedly!

    Have you ever tried to make your train vehicle/startup helis actually fly in circles overhead?

    I tried placing a chopper upon big wide closed loop of elevated invisible track but the bird keeps crashing (hitting an invisible telephone cable in the air??) after about 10 seconds of flight.

    The helicopter just accelerates faster and faster until she derails off the invisible track up in the sky and nose dives to earth.

    I think the bird just crashes into the end vertex of the spline track even though the ends are joined together.

    I will just stick with hovering my helis in place.
    Last edited by JonMyrlennBailey; July 23rd, 2015 at 07:42 AM.
    TANE SP2 Build 90945, downloaded Dec. 2017, TS12 Build 61388, downloaded Feb. 2018, American citizen, Lawton, OK

  2. #2

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    What else would you expect if you keep accelerating?

    The vehicle is effectively a train car. See if you can drive that at extreme speeds in a small circle and you will also see that fail. Mass effectively wants to continue in a straight line, but is kept in place by the track. However, at some point the force becomes so strong, it breaks out of the loop (and "derails").

    See also...:
    https://en.wikipedia.org/wiki/Newton%27s_laws_of_motion
    https://en.wikipedia.org/wiki/Centripetal_force
    http://www.physicsclassroom.com/clas...ircular-Motion
    https://en.wikipedia.org/wiki/Circular_motion
    Last edited by oknotsen; July 23rd, 2015 at 08:30 AM.

  3. #3
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    That's understood, Mr. OK. There is no way to effectively control the forward 'airspeed' of the "train" helicopters UNLESS I put invisible speed limit markers on the invisible track and tell the AI pilots to adhere to them. Fly the helis by driver commands. Trainz lacks correct flight simulation scripting. I will play my flight sim game for more realistic airplane operation.
    TANE SP2 Build 90945, downloaded Dec. 2017, TS12 Build 61388, downloaded Feb. 2018, American citizen, Lawton, OK

  4. #4
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    Quote Originally Posted by JonMyrlennBailey View Post
    Trainz lacks correct flight simulation scripting. I will play my flight sim game for more realistic airplane operation.
    ... This is not a flight simulation though. This is a RAILROAD simulation..
    Last edited by trainfancaleb; July 23rd, 2015 at 11:47 PM.
    me too thanks

  5. #5
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    Default

    You need to set the derail setting to None in the Surveyor menu or obviously it will come off the tracks.

    To use AI successfully you need to place speed limits and a signalling system. The aircraft will not get up to speed if you do not use some drive via trackmarks commands.

    Ian

  6. #6
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    I already tried using invisible speed markers and using the Drive command and that works like a charm. Signaling is not necessary for choppers flying in a continuous loop. As it turns out, they really were not derailing at a so-called "end vertex".
    Last edited by JonMyrlennBailey; July 24th, 2015 at 12:58 AM.
    TANE SP2 Build 90945, downloaded Dec. 2017, TS12 Build 61388, downloaded Feb. 2018, American citizen, Lawton, OK

  7. #7
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    Quote Originally Posted by trainfancaleb View Post
    ... This is not a flight simulation though. This is a RAILROAD simulation..
    Yep, and this had to be in "General Trainz"

  8. #8

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    Quote Originally Posted by TrainTech1350 View Post
    this had to be in "General Trainz"
    ... which it is... so not sure about your comment .

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