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  4. Limted flight speed in mission and position modes

Limted flight speed in mission and position modes

Scheduled Pinned Locked Moved VOXL m500 Reference Drone
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  • yu zhangY Offline
    yu zhangY Offline
    yu zhang
    Regular
    wrote on last edited by
    #1

    Hi team,
    I tested m500's flight speed in different flight modes, and I found the maximum speed was limited by up to 5m/s in both mission and position modes. However, the speed could easily go up to 10m/s in manual mode. So, I am wondering if there is a default max speed setup or safety control in mission and position modes?

    Here is the velocity in a mission test, and I set the speed as 10-12m/s (12m/s is the default max value of px4), but the actual speed was less than 5m/s.

    Screen Shot 2022-05-03 at 1.09.58 AM.png

    Also, it is another example in the manual mode, and I can speed up m500 to 8.5m/s in seconds.

    Screen Shot 2022-05-03 at 1.16.45 AM.png

    yu zhangY 1 Reply Last reply
    0
    • yu zhangY yu zhang

      Hi team,
      I tested m500's flight speed in different flight modes, and I found the maximum speed was limited by up to 5m/s in both mission and position modes. However, the speed could easily go up to 10m/s in manual mode. So, I am wondering if there is a default max speed setup or safety control in mission and position modes?

      Here is the velocity in a mission test, and I set the speed as 10-12m/s (12m/s is the default max value of px4), but the actual speed was less than 5m/s.

      Screen Shot 2022-05-03 at 1.09.58 AM.png

      Also, it is another example in the manual mode, and I can speed up m500 to 8.5m/s in seconds.

      Screen Shot 2022-05-03 at 1.16.45 AM.png

      yu zhangY Offline
      yu zhangY Offline
      yu zhang
      Regular
      wrote on last edited by
      #2

      Hi @RichieRich I would follow up with this question about m500's flight speed.

      I am wondering if VOXL or PX4 had a flight safety control hold in position and mission modes? And this hold is released in manual mode? Thanks.

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      • Chad SweetC Offline
        Chad SweetC Offline
        Chad Sweet
        ModalAI Team
        wrote on last edited by
        #3

        I found this with Google: https://discuss.px4.io/t/maximum-speed-in-gps-controlled-mode/334/6

        yu zhangY 1 Reply Last reply
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        • Chad SweetC Chad Sweet

          I found this with Google: https://discuss.px4.io/t/maximum-speed-in-gps-controlled-mode/334/6

          yu zhangY Offline
          yu zhangY Offline
          yu zhang
          Regular
          wrote on last edited by
          #4

          Hi @Chad-Sweet thanks for that, and it seems it could work by setting a higher value of the maximum speed in QGC. I will test it again to see if it could work to achieve a fast speed in the mission mode 😉

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