Here are details about a :
Space commemorative cover
or Space Cover.
Cosmodrome / Location : USA
Date of Cancellation: May 26, 2010
Exist : 100 copies
Event Type : Launch
Launch Pad / Location : USA Edwards AFB (CA)
Manned / Robotic Mission : Robotic
Mission Objective/Type : Experimental / Science
ou?/where?: au sol - ground
autographe?: non - noneDescription : The Boeing X-51 (also known as X-51 WaveRider) is an unmanned scramjet demonstration aircraft for hypersonic (Mach 6, approximately 4,000 miles per hour (6,400 km/h) at altitude) flight testing.
The X-51 completed its first powered flight successfully on 26 May 2010. It reached a speed of Mach 5 (3,300 mph; 5,300 km/h), an altitude of 70,000 feet (21,000 m) and flew for over 200 seconds; it did not meet the planned 300 second flight duration, however.
Special Postal cancel of Edwards.
Lollini Cover. Keyword(s) :
#Aviation,
#LOLLINI (design),
#Planet, SPACE REVUE : 09 - 2010 Last modified: 08/21/2010 @ 17h10
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Page : future · Ref: USA 2877 Space Event : X 51-A WAVERIDER · BOEING · UNMANNED SCRAMJET AIRCRAFT
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