fansa84fe8a4
Second Officer
United States
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Hope the P4 Pro doesn't become DJI's "Karma" drone with this IMU bug and can't get airborne as a result. I'm glad the big box stores haven't gotten stock and sold these yet for Xmas, that and I might have ended up with one myself too by now. Two bad P4's right out of the box was enough for me to not trust mail-order and the slowness of returns or repairs for refurbs.
I'm still thinking this is a fault of the IMU itself getting jarred and stuck somehow, and why some crashed drones will not fly upon repair without replacing that unit. Adding more twists to the calibration process might tighten up flight characteristics though if this new IMU system works as it should. However, if it is so sensitive it requests a calibration from something that caused it to ask for one, and then it fails becoming unable to fly, who knows?
Another could be since this occurs on the back, if one motor or arm is higher than the IMU can compensate for? I'm wondering if one could just put it back on its feet and see if it continues without an error. Just a WAG if the parallelism is different from feet-IMU vs. IMU-top which I would think would be the same unless it is designed different. Maybe someone should try the older model trick of using a piece of glass on the tops of the motors and see if they are level compared to the base or feet? If they differ, might be something there.
Aside, the P4P reviewers must have gotten seriously checked-out units as I don't recall any reviewers having this IMU -22 mess. Maybe they needed no calibration as GO 4 wasn't out in full version? Something went askew in QC during the public released units. After Xmas, and more of these toys get out there, this could become a huge mess for DJI if R&D doesn't find a fix quick and it goes the way of the Karma.
Anyhoo, best wishes to those getting theirs fixed and let's wait to see what DJI comes up with for a permanent fix.
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