OPA !
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Well, here is my 4 cents worth, because I have 2 Mini’s. One is early production (I bought the first one I could find) and the other is post revision (changed how the battery plug is supported in the drone). ALL of my prop numbers begin with the letter A or B (clockwise or counterclockwise) and they all have a sloppy fit when installed - some more sloppy/loose than others. The first flight with the Mini was impressive - not on par with my Anafi’s but I was very impressed!
After flying about 5 hours I thought it was more noisy and not as stable/calm hovering and flying slowly. So, more hours flying and more attention? ? ? A couple of weeks ago someone wrote here about a similar situation. After reading that, I examined my props closely and concluded that some of them were without a doubt deformed. They all went directly into the garbage can.
I do most of my flying in S mode, I fly when it’s windy and this time of the year, here in Rio, it is often 40° more than 100°F. These could all be contributing factors as well?
I have been thinking about the CG being incorrect for some time. Always believing that DJI must have got that right. I removed the battery cover door (that’s easy) and thought it gave an improvement. I think it needs more...
One week ago I met a person with a new Mini flying it for the first time. His prop numbers began with the letters E and F. Looks like a 3rd generation. His props were loose but certainly a better fit than mine. Does any other DJI drones have SLOPPY fitting props? NO!
I examined all of my new props. The leading edge is like a signwave (like an S). The trailing edge is like a gentle curve OR almost straight. They ARE NOT consistent in their shapes. They should be!
About being deformed in the case? I imagine that could be possible. I am a meticulous person and NEVER put my MM into the case without great attention to the props.
The DJI person “said”. WELL, their job is to “say” ??. If they didn’t they would be walking down the street talking to themselves or working in some back office.
If the CG is wrong, the rear motors would have to run faster and increase the pressure placed on very flexible propellers of, at this point, a questionable design.
