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  1. IPACS Aerofly Forum
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777 engine

  • Eduardo Navarro
  • Jul 25th 2020
  • Eduardo Navarro
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    • Jul 25th 2020
    • #1

    Dear developers of ipacs could improve the turning of the engine of the boeing 777 .. The engine is beautiful and very well designed but at the time of making the turns at maximum power the blades do not simulate as in reality it seems that they move slowly and in reality the blades disappear when the motor rotates at maximum revolutions

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  • Jet-Pack (IPACS)
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    • Jul 25th 2020
    • #2

    The B777 engines spin correctly at 2355 RPM (100% N1) in Aerofly but I think the visual animation is missing a factor of 2 pi. I've added that in.

    Generally speaking it is very hard to judge such high rotation speeds (39.25 full revolutions per second) when the monitor refresh rate is somewhere close to that as well. You'll get camera shutter effects and the fan can appear to rotate backwards or too slow even if it spins correctly.

    E.g. if I speed up the rotation speed by a factor of 10 it could look identical before and after.

    Regards,

    Jan

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  • Eduardo Navarro
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    • Jul 26th 2020
    • #3
    Quote from Jet-Pack (IPACS)

    The B777 engines spin correctly at 2355 RPM (100% N1) in Aerofly but I think the visual animation is missing a factor of 2 pi. I've added that in.

    Generally speaking it is very hard to judge such high rotation speeds (39.25 full revolutions per second) when the monitor refresh rate is somewhere close to that as well. You'll get camera shutter effects and the fan can appear to rotate backwards or too slow even if it spins correctly.

    E.g. if I speed up the rotation speed by a factor of 10 it could look identical before and after.

    The ge90 motor is perfectly animated at aerofly2020 .. It looks amazing .. The only problem is when I set the motors to 100% the animation rotates too slow .. For example in this image the ge90 motor is clearly seen rotating at full power .. Practically the motor blades disappear by the speed of the revolutions ... Could the aerofly2020 ge90s animate that way when we put maximum power?

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  • Eduardo Navarro
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    • Jul 26th 2020
    • #4

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