I finally got around to trialing the MiG-21 recently and was not surprised to find some issues with the flight performance model; they have been discussed before many times and various data has been shared. With that in mind, it was odd to hear through the Discord grapevine that Magnitude 3 does not believe there is enough evidence to show anything wrong. Maybe that was a miscommunication, or maybe the good data has been lost in years of noise on the topic. Therefore I have made an attempt to su