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✈️ AIRBUS A350XWB Takeoff Tests includes near TAILSTRIKES!Watch the Airbus A350-900 perform a number of takeoffs at Toulouse Airport (www.youtube.com) More...
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Those are known as Velocity Minimum Unstick tests or VMUs. They are used to determine the lowest safe speed for takeoff.
We were trying to figure out exactly what they were so thank you very much for the into!
If you look under the tail, in the strike zone, you will notice an orange beam or foot. That is used to prevent the fuselage from hitting the ground. I believe it touched the ground once or twice in the video.
Also, along with Vmu, looks like some engine out tests. Some good rudder deflection and a reduced climb rate.
I noticed the rudder deflection, and figured they were doing something of the sort.