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Any buses that self level?

Discussion in 'OMSI & OMSI 2' started by Ceeqwa, Nov 8, 2016.

  1. Ceeqwa

    Ceeqwa Member

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    I was wondering if there are any buses on OMSI that self level?
    What I mean by that is, where the air suspension automatically raises/lowers randomly to correct the riding height.

    If there isn't, is there any way you can make a bus do that like the CityBus 400?


    Thanks.
     
  2. Kieron

    Kieron Veteran Member

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    The Citaro K does something similar but whatever it does, it would be in the scripts.
     
  3. Ceeqwa

    Ceeqwa Member

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    Ok, thanks.
     
  4. Jacobthebus

    Jacobthebus The Map Doctor-F&C/A48

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    I think the C400 does, try riding up a kerb-you should be able to hear something. However, it is extremely faint, and I think it needs to be more 'significant'.
     
  5. whistlehead

    whistlehead Moderation Team Leader UKDT

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    It was louder initially, but the problem was that every time you pulled up or accelerated slightly too hard the thing would start hissing furiously at you :tongueout:
     
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  6. Jacobthebus

    Jacobthebus The Map Doctor-F&C/A48

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    Do you still have the original sound files for this? If so, a mod could be made...
     
  7. whistlehead

    whistlehead Moderation Team Leader UKDT

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    Same sound files as currently, the only difference is in the sound config file
     
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  8. Jason

    Jason Well-Known Member

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    Stagecoach Grimsby has an E400 that hisses furiously whenever you take a corner! There you are, driving along and suddenly 'hisssssss' - 'hisssssssss', blah blah blah. Pretty different and kinda unique!

    How would it be adjusted so it was more prominent? Just want to experiment! :tonguewink:
     
  9. 0118999

    0118999 Active Member

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    You can actually SEE the C400R doing it sometimes, pretty cool
     
  10. Road-hog123

    Road-hog123 Moderator UKDT

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    All of the default buses self-level (including the buses that have leaf springs...) and I imagine the vast majority of 3rd-party vehicles will use the original bremse scripts or modified versions and therefore have this self-levelling.
    The C400R's kneeling is a bit of a bodge that adjusts the suspension deflection target on the front axle, so it adjusts to what it thinks is a lower front ride height. On the default buses the self-levelling script runs every render frame (it may be partly why buses jump uncontrollably at low fps) and adjusts even when the vehicle is in motion, but as it has no sounds associated with it you are unlikely to notice it, except perhaps when the EN92/GN92 slowly rises while the suspension air pressure (yellow flashing warning light) is building up when the engine is first started.
    For the C400R, I added a sound to the lowering part of the script - you hear it when you kneel the bus or as you come to a stop while braking hard - the hissing was constant in motion so I disabled level-control until the vehicle is near-stationary (less than 0.1 kph) which leads then to a short hiss as the bus tries to level before it has fully stopped, while inertia is rolling the body forward. Disabling the levelling in motion does have the unfortunate side-effect that the suspension seems a bit squishy now as the levelling system isn't pumping up the suspension when the vehicle rolls during cornering.
    I'm not sure the behaviour of the script is quite as per reality, I do want to try and make some tweaks when I get time. The issues I've identified with it are too many to list nicely, although none of them are much more than realism nit-picking.
     
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  11. Ceeqwa

    Ceeqwa Member

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    Okay, cool.

    Next time I drive the C400, i'll keep a listen in. I'll also see if I can make it louder XD
     
  12. chrisrose1993

    chrisrose1993 Well-Known Member

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    You wouldn't hear the sound of the hissing after braking in real life unless there was a air leak within the system - Only when kneeling do you hear it.
     
  13. Ceeqwa

    Ceeqwa Member

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    Im not talking about kneeling or anything.

    It's 'self leveling', the suspension levels when there is so much weight, so if you had like 40 passengers on the bus, it would sag. So the suspension raises automatically ;)
     
  14. Road-hog123

    Road-hog123 Moderator UKDT

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    Yeah, the hissing after stopping is one of the things I want to fix. It only happens because the levelling system is enabled just as the vehicle comes to a halt and at that point the front suspension is seen to be too low and the rear too high so the levelling system sets about correcting it while the body is settling. The sound tapers out with the reduction in adjustment size as it stabilises at the set height. I'm going to investigate tweaking the levelling system when I have time in the next few days.
     
  15. Ceeqwa

    Ceeqwa Member

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    Okay cool, I don't mind when it levels when the bus is stationary. I know for a fact the B7RLE does it. But yeah. When I heard the sound, I didn't really notice the bus changing height.
     
  16. lubukesh

    lubukesh Member

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    You don't hear a noise with Enviros in real life unless the engine is switched off as it's so quiet. You may hear it faintly outside but certainly not inside with the engine running.
     
  17. Joe Alker

    Joe Alker Resident BVG Veg Junior UKDT

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    I'll have to correct you there, it's very audible on our e400s.

    Also nice sig.
     
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  18. SatoshiAaron

    SatoshiAaron Active Member

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    Depends what Enviro it is. E400H is a bit quieter, but over about 10mph, it will kick in it's fans and is fairly loud.
     
  19. ABZBuses

    ABZBuses Active Member

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    Ironically the loudest i have ever heard it here is on the E300's.
     

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