DJI Mini 2 - Return-to-home Explained
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- Опубликовано: 8 фев 2021
- DJI's Return-to-home functionality is much more complex than most pilots think. It actually includes three types of RTH, and the Mini 2 behaves differently depending on how far it is from the control station.
In this video, we explain how the Mini 2 RTH function works and how you can use it safely to recover your drone in case of an emergency.
This video is an excerpt from our free Deep Dive Mini 2, available on Pilot Institute. pilotinstitute.com/course/min...
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Can not get my Rth work. What am I doing wrong?
1. Is the RTH location where the drone took off? Or where the controller is located (if I am 30 yards away from the drone).
2. When I am on a kayak, I kayaked from point A to point B with the drone flying around me. Can I update the RTH location (which is point B) while the drone is flying?
Thanks.
It depends on the software you are using. The DJI Go4 app has the ability to upload the RTH location to the controller, the DJI FLy app doesn't, so it depends on your drone.
How does RTH work when you return to home and the drone is at a point below the altitude it originally took off from. For example, using the diagram from the video, if you took off from the hill where the pilot is standing and flew below the height of the pilot into the valley. Does the drone rise to the RTH height from its original take-off point? Or will it rise to the RTH height from it's current position, meaning it will rise less than the height or the take-off position and possibly crash? For example, if you set RTH height to 180ft and then fly below your altitude as a pilot, if it returns to home now, 180ft will be less than 180ft from its take off position right? Will it adjust RTH height as it gets closer to home and detects altitude difference it if is moving uphill? In addition how do the drone's altitude sensors work if you fly below the take-off height? As you fly into the valley do they adjust to the current distance from the ground below it? Or does it get confused and take the altitude to negative numbers? Sorry for the long question. Hope this all makes sense. Thanks for the help.
When the drone is below its starting point, it will indicate a negative altitude, so it would just climb to the RTH altitude, which is calculated based on your take off point.
@@PilotInstitute Ah ok. Perfect! Thank you so much for your help!
How does RTH work in regard to obstacles? I fly in an area with 200+ ft + trees. above it? below it? in front?
The Mini 2 doesn't have obstacle avoidance (only bottom sensors) so it wouldn't know. The other drones (Air and Pro) do offer avoidance during RTH.
@@PilotInstitute If only my Pro 2 didn't give me messages that it's 1.5 meters above the surface and asking me to confirm that I want it to land. Except that it's actually more than 100 feet up and 20 or 30 feet laterally away from the home point. Happens about two thirds of the time. The other one third of the time it works perfectly and lands dead center on the H on the pad.
I'm getting a lot of practice landing manually. I'm so glad that I got an inexpensive drone to practice and learn with before I upgraded to a high quality drone. I crashed and retrieved that cheap drone a dozen times early on.
Why does return home go into sport mode automatically? Sometimes I'm miles out and it'll kill the battery doing that
It doesn't. It stays in the regular mode to keep the battery as high as possible so it can make it.
@@PilotInstitute mine in normal mode tops 22 mph mostly. In sports it goes 35 to 38. On return to home in normal mode it goes up to 35 mph.
@@w.e.s. it probably depends on several factors, including how far you are, how windy, and how much battery you have left.
You made this very complicated, I am concerned because you are going to be giving other UAS pilots classes? The other thing that bothers me is that this channel is affiliated with Ken S who is on the FAA UAS committee and developing a remote ID module, a huge conflict of interest. I am a former US Army Aviator very knowledgeable in regards to FAA SOP, have you taken any classes such as "Training for Trainers:" curious on how some of you were picked to instruct and train others.