My first digital was a Kodak DCS420 with a 24mm prime in 1994 followed closely by a Kodak DCS460 which I still have. Both had Nikon bodies.

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I've been in photogrammetry for over 40 years and believe that you must establish your priorities. Your distance and dimensional tolerance are not compatible with a fast moving object. Lasers measuring time of flight will not satisfy your accuracy needs. Operating the DJI drone with a hi-res camera in GPS mode will afford some stability in moderate conditions others may be able to provide accommodations knowing the precise environmental constraints that you can provide (these are software fixes).

Is it possible to build strain gauges into the blade?