Engineering Marvels - The Lockheed U-2 Spy Plane (720p HD)

This educational video shows the U2 Lockheed spy high altitude jet known as the "Dragon Lady" structured advanced alloys and equipped with secret technology and an advanced single-jet engine sending this record breaking very-high altitude reconnaissance aircraft up to 70,000 feet. The U-2 experimental and operational versions were designed for long endurance, high altitudes of more than 70,000 feet; 21,000 m, where the curvature of the earth is said to be beautiful. A computer-controlled flight manager assist during long endurance flights which typically last 8 - 12 hours in the air. With a range of 6000 miles, it easily penetrated opposition air space, until recent advances in technology made the aircraft obsolete. The SR-71 Blackbird was also used for a similar purpose. The U-2 is one of a handful of aircraft's to have served for over 50 years. The newest models (TR-1, U-2R, U-2S prototype ) entered service in the 1980s. The current model, the U-2S, received its most recent technical upgrade in 2012. This aircraft is still in service. Specifications: Maximum speed: 434 knots (Mach 0.67, 500 mph, 805 km/h) Cruise speed: 373 knots (Mach 0.56, 429 mph, 690 km/h) Stall speed: 80–90 mph (130–140 km/h) near ground Range: 5,566 nmi (6,405 mi, 10,308 km) Service ceiling: 70,000+ ft (21,300+ m) lift-to-drag: 23:1 (maximum) Flight endurance: 12 hours For more history on the Lockheed U-2 please visit: https://en.wikipedia.org/wiki/Lockheed_U-2 FOLLOW on: https://www.facebook.com/documentarytube.net https://twitter.com/DocArchive
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