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January 26, 2013
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Space Shuttle Enterprise by GeneralTate Space Shuttle Enterprise by GeneralTate
The Space Shuttle Enterprise (NASA Orbiter Vehicle Designation: OV-101) was the first Space Shuttle orbiter. It was built for NASA as part of the Space Shuttle program to perform test flights in the atmosphere. It was constructed without engines or a functional heat shield, and was therefore not capable of spaceflight. On September 17, 1976, the first full scale prototype was completed.

Originally, Enterprise had been intended to be refitted for orbital flight, which would have made it the second space shuttle to fly after Columbia.However, during the construction of Columbia, details of the final design changed, particularly with regard to the weight of the fuselage and wings.Refitting Enterprise for spaceflight would have involved dismantling the orbiter and returning the sections to subcontractors across the country. As this was an expensive proposition, it was determined to be less costly to build Challenger around a body frame (STA-099) that had been created as a test article.Similarly, Enterprise was considered for refit to replace Challenger after the latter was destroyed, but Endeavour was built from structural spares instead.

On January 31, 1977, it was taken by road to Dryden Flight Research Center at Edwards Air Force Base, to begin operational testing.
While at NASA Dryden Enterprise was used by NASA for a variety of ground and flight tests intended to validate aspects of the shuttle program. The initial nine-month testing period was referred to by the acronym ALT, for "Approach and Landing Test". These tests included a maiden "flight" on February 18, 1977, atop a Boeing 747 Shuttle Carrier Aircraft (SCA) to measure structural loads and ground handling and braking characteristics of the mated system. Ground tests of all orbiter subsystems were carried out to verify functionality prior to atmospheric flight.
The mated Enterprise/SCA combination was then subjected to five test flights with Enterprise unmanned and unactivated. The purpose of these test flights was to measure the flight characteristics of the mated combination. These tests were followed with three test flights with Enterprise manned to test the shuttle flight control systems.

On August 12, 1977, the space shuttle Enterprise flew on its own for the first time. Enterprise underwent four more free flights where the craft separated from the SCA and was landed under astronaut control. These tests verified the flight characteristics of the orbiter design and were carried out under several aerodynamic and weight configurations.[10] The first three flights were flown with a tailcone placed at the end of Enterprise's aft fuselage, which reduced drag and turbulence when mated to the SCA. The final two flights saw the tailcone removed and mockup main engines installed. On the fifth and final glider flight, pilot-induced oscillation problems were revealed, which had to be addressed before the first orbital launch occurred.
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:iconboeingboeing2:
boeingboeing2 Featured By Owner Apr 28, 2013
747 reminds me of amercan airlines
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:icongeneraltate:
GeneralTate Featured By Owner Apr 28, 2013  Hobbyist General Artist
It was an American Airlines bird before this :D
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:iconboeingboeing2:
boeingboeing2 Featured By Owner Apr 27, 2013
Nice
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:icongeneraltate:
GeneralTate Featured By Owner Apr 28, 2013  Hobbyist General Artist
Yeah :)
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:iconhernameisdren:
HerNameIsDren Featured By Owner Mar 3, 2013
She's leaving her ride :-)
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:icongeneraltate:
GeneralTate Featured By Owner Mar 3, 2013  Hobbyist General Artist
Yes !
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:iconhernameisdren:
HerNameIsDren Featured By Owner Mar 3, 2013
Read my stories. We wrote about Enterprise really going into space :-)
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:icongeneraltate:
GeneralTate Featured By Owner Mar 4, 2013  Hobbyist General Artist
Ok I will at some point
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