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Steven F. Udvar-Hazy Center: Space Shuttle Enterprise (starboard view)
Image by Chris Devers
See more photos of this, and the Wikipedia article.
Details, quoting from Smithsonian National Air and Space Museum | Space Shuttle Enterprise:
Manufacturer:
Rockwell International Corporation
Country of Origin:
United States of America
Dimensions:
Overall: 57 ft. tall x 122 ft. long x 78 ft. wing span, 150,000 lb.
(1737.36 x 3718.57 x 2377.44cm, 68039.6kg)
Materials:
Aluminum airframe and body with some fiberglass features; payload bay doors are graphite epoxy composite; thermal tiles are simulated (polyurethane foam) except for test samples of actual tiles and thermal blankets.
The first Space Shuttle orbiter, "Enterprise," is a full-scale test vehicle used for flights in the atmosphere and tests on the ground; it is not equipped for spaceflight. Although the airframe and flight control elements are like those of the Shuttles flown in space, this vehicle has no propulsion system and only simulated thermal tiles because these features were not needed for atmospheric and ground tests. "Enterprise" was rolled out at Rockwell International’s assembly facility in Palmdale, California, in 1976. In 1977, it entered service for a nine-month-long approach-and-landing test flight program. Thereafter it was used for vibration tests and fit checks at NASA centers, and it also appeared in the 1983 Paris Air Show and the 1984 World’s Fair in New Orleans. In 1985, NASA transferred "Enterprise" to the Smithsonian Institution’s National Air and Space Museum.
Transferred from National Aeronautics and Space Administration
• • •
Quoting from Wikipedia | Space Shuttle Enterprise:
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.
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.
Service
Construction began on the first orbiter on June 4, 1974. Designated OV-101, it was originally planned to be named Constitution and unveiled on Constitution Day, September 17, 1976. A write-in campaign by Trekkies to President Gerald Ford asked that the orbiter be named after the Starship Enterprise, featured on the television show Star Trek. Although Ford did not mention the campaign, the president—who during World War II had served on the aircraft carrier USS Monterey (CVL-26) that served with USS Enterprise (CV-6)—said that he was "partial to the name" and overrode NASA officials.
The design of OV-101 was not the same as that planned for OV-102, the first flight model; the tail was constructed differently, and it did not have the interfaces to mount OMS pods. A large number of subsystems—ranging from main engines to radar equipment—were not installed on this vehicle, but the capacity to add them in the future was retained. Instead of a thermal protection system, its surface was primarily fiberglass.
In mid-1976, the orbiter was used for ground vibration tests, allowing engineers to compare data from an actual flight vehicle with theoretical models.
On September 17, 1976, Enterprise was rolled out of Rockwell’s plant at Palmdale, California. In recognition of its fictional namesake, Star Trek creator Gene Roddenberry and most of the principal cast of the original series of Star Trek were on hand at the dedication ceremony.
Approach and landing tests (ALT)
Main article: Approach and Landing Tests
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.
Enterprise underwent five 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. On the fifth and final glider flight, pilot-induced oscillation problems were revealed, which had to be addressed before the first orbital launch occurred.
On August 12, 1977, the space shuttle Enterprise flew on its own for the first time.
Preparation for STS-1
Following the ALT program, Enterprise was ferried among several NASA facilities to configure the craft for vibration testing. In June 1979, it was mated with an external tank and solid rocket boosters (known as a boilerplate configuration) and tested in a launch configuration at Kennedy Space Center Launch Pad 39A.
Retirement
With the completion of critical testing, Enterprise was partially disassembled to allow certain components to be reused in other shuttles, then underwent an international tour visiting France, Germany, Italy, the United Kingdom, Canada, and the U.S. states of California, Alabama, and Louisiana (during the 1984 Louisiana World Exposition). It was also used to fit-check the never-used shuttle launch pad at Vandenberg AFB, California. Finally, on November 18, 1985, Enterprise was ferried to Washington, D.C., where it became property of the Smithsonian Institution.
Post-Challenger
After the Challenger disaster, NASA considered using Enterprise as a replacement. However refitting the shuttle with all of the necessary equipment needed for it to be used in space was considered, but instead it was decided to use spares constructed at the same time as Discovery and Atlantis to build Endeavour.
Post-Columbia
In 2003, after the breakup of Columbia during re-entry, the Columbia Accident Investigation Board conducted tests at Southwest Research Institute, which used an air gun to shoot foam blocks of similar size, mass and speed to that which struck Columbia at a test structure which mechanically replicated the orbiter wing leading edge. They removed a fiberglass panel from Enterprise’s wing to perform analysis of the material and attached it to the test structure, then shot a foam block at it. While the panel was not broken as a result of the test, the impact was enough to permanently deform a seal. As the reinforced carbon-carbon (RCC) panel on Columbia was 2.5 times weaker, this suggested that the RCC leading edge would have been shattered. Additional tests on the fiberglass were canceled in order not to risk damaging the test apparatus, and a panel from Discovery was tested to determine the effects of the foam on a similarly-aged RCC leading edge. On July 7, 2003, a foam impact test created a hole 41 cm by 42.5 cm (16.1 inches by 16.7 inches) in the protective RCC panel. The tests clearly demonstrated that a foam impact of the type Columbia sustained could seriously breach the protective RCC panels on the wing leading edge.
The board determined that the probable cause of the accident was that the foam impact caused a breach of a reinforced carbon-carbon panel along the leading edge of Columbia’s left wing, allowing hot gases generated during re-entry to enter the wing and cause structural collapse. This caused Columbia to spin out of control, breaking up with the loss of the entire crew.
Museum exhibit
Enterprise was stored at the Smithsonian’s hangar at Washington Dulles International Airport before it was restored and moved to the newly built Smithsonian’s National Air and Space Museum‘s Steven F. Udvar-Hazy Center at Dulles International Airport, where it has been the centerpiece of the space collection. On April 12, 2011, NASA announced that Space Shuttle Discovery, the most traveled orbiter in the fleet, will be added to the collection once the Shuttle fleet is retired. When that happens, Enterprise will be moved to the Intrepid Sea-Air-Space Museum in New York City, to a newly constructed hangar adjacent to the museum. In preparation for the anticipated relocation, engineers evaluated the vehicle in early 2010 and determined that it was safe to fly on the Shuttle Carrier Aircraft once again.
Imperial guard move through the temple
Image by jon_a_ross
Warhammer battle report Daemon Hunters vs. Imperial Guard
1000 points, spearhead deployment, Annihilation mission.
jon-a-ross.livejournal.com/967909.html
This would be the first time fielding the daemon hunters for me. The battlefield was left set up as it was for the guard vs. necron battle. The logic behind this is that the Grey Knights were not sure if it was a daemonic attack or something else that the guard were able to drive off. The goal of the Grey Knights was to claim the area, search it for clues and then, if required, save the souls of the tainted guardsmen who battled the daemons.
My Grey knights therefore launched their attack with the required two troop choices, taking the third as a fast attack and therefore able to deep strike unit. A hero in terminator armour would lead them. And a Purgation Squad and the Lance off their strike curser would be the heavy support.
The imperial guard were taking three chimera’s loaded with troops, a large block of troops on the ground and heavy weapons to guard the sides. The plan for the guard was to shift their troops into the ruins while the chimera’s curved around the battlefield sweeping up the Grey knights as they did so.
(turn 1)
Grey knights have one troop squad move forward, armed with two psy-cannons. The second troop squad, with it’s two flamers hungry for foes. The purgation squad sits on the hill and attempts to blast the guard. They have range but the damage dealt is minor.
The guard move forward. The full weight of the guard comes down on the five man grey knights unit with the psy-cannons. Only one grey knight survives.
(turn 2)
Grey knights know they are in trouble. They have lost 20% of their troops and dealt almost no damage in return. They also fail to get both of their re-enforcements. The purgation squad fires into the guard, scoring some death.
The imperial guard roll forward, their chimera wall pushing along the north side. The rest of their troops pour into the center. Weapons fire claims a handful of grey knights, dropping the grey knights down to 65% left.
(turn 3)
The grey knights get their re-enforcements, the lance blast strikes into the center temple killing 8. A grey knight squad deep strikes, lead by the terminator hero, fires into a heavy weapons team. Other light losses occur on the guard.
The imperial guard keep rolling forward like a steamroller. Another handful of Grey Knights fall.
(turn 4)
The grey knights blast into the imperial guard. The lance blasts a number, and the Grey knight with the flamer cooks some more. The psy-cannons on the hill blast another couple. The Grey knight hero and his team also add their fire into the guard. Three troops remain standing outside of the chimera. In kill points the grey knights have won, as long as they don’t get wiped out.
The chimera and guard keep rolling ahead on turn 4. They finish off the final grey knight trooper who was in the middle, as well as pick away at the Purgation squad on the hill.
(turn 5)
The Grey knights, victory close, but not close enough, fire into the chimeras trying to at least slow them down. No luck.
The guard, in turn, roll ahead with their tank wave. One chimera gets up to the grey knight purgation squad and unloads a full load of ogryn. The other two chimeras unload their loads of storm troopers on the grey knight hero and squad. It ends quickly, as the grey knights are shot to death.
Victory guard.
