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- Mercury-Redstone_BD abstract "Mercury-Redstone BD was an unmanned booster development flight in the U.S. Mercury program. It was launched on March 24, 1961 from Launch Complex 5 at Cape Canaveral, Florida. The mission used a boilerplate Mercury spacecraft and Redstone MRLV-5.After the problems that developed during the MR-2 mission carrying the chimpanzee Ham, it was apparent that the Redstone needed further development before it could be trusted to carry a human passenger.Dr. Wernher von Braun added Mercury-Redstone BD (Booster Development) to the launch schedule between the MR-2 and MR-3 missions.The cause of previous Redstone rocket over-accelerations was a servo valve that did not properly regulate the flow of hydrogen peroxide to the steam generator. This in turn overpowered the fuel pumps. The thrust regulator and velocity integrator were modified on the MR-BD and later Mercury-Redstone rockets to prevent them from exceeding the speed limit again.Another problem encountered in previous Mercury-Redstone flights were harmonic vibrations induced by aerodynamic stress in the topmost section of the elongated Redstone. To fix this problem, four stiffeners were added to the ballast section and 210 pounds (95 kg) of insulation was applied to the inner skin of the upper part of the Mercury Redstone instrument compartment.The mission used a boilerplate Mercury spacecraft, with inert escape rocket. The spacecraft also did not have a retro package or posigrade rockets.The MR-BD mission lasted eight minutes and 23 seconds. It reached an apogee of 113.5 miles (183 km) and a range of 307 miles (494 km). The peak velocity was 5,123 mph (8,245 km/h).The spacecraft experienced a peak load of 11 g (108 m/s²). There was no intention to separate the Redstone rocket and boilerplate Mercury spacecraft and they impacted together 307 miles (494 km) downrange, five miles (8 km) short of the plan. They sank to the bottom of the Atlantic Ocean, exploding a sofar bomb en route.MR-BD was highly successful and led the way to the flight of Alan Shepard aboard MR-3.".
- Mercury-Redstone_BD thumbnail MR-BD_liftoff.jpg?width=300.
- Mercury-Redstone_BD wikiPageExternalLink cover.htm.
- Mercury-Redstone_BD wikiPageExternalLink 61.html.
- Mercury-Redstone_BD wikiPageID "735306".
- Mercury-Redstone_BD wikiPageLength "4701".
- Mercury-Redstone_BD wikiPageOutDegree "23".
- Mercury-Redstone_BD wikiPageRevisionID "669621535".
- Mercury-Redstone_BD wikiPageWikiLink Alan_Shepard.
- Mercury-Redstone_BD wikiPageWikiLink Boilerplate_(spaceflight).
- Mercury-Redstone_BD wikiPageWikiLink Cape_Canaveral_Air_Force_Station.
- Mercury-Redstone_BD wikiPageWikiLink Cape_Canaveral_Air_Force_Station_Launch_Complex_5.
- Mercury-Redstone_BD wikiPageWikiLink Category:1961_in_spaceflight.
- Mercury-Redstone_BD wikiPageWikiLink Category:Project_Mercury.
- Mercury-Redstone_BD wikiPageWikiLink Florida.
- Mercury-Redstone_BD wikiPageWikiLink McDonnell_Aircraft.
- Mercury-Redstone_BD wikiPageWikiLink Mercury-Redstone_2.
- Mercury-Redstone_BD wikiPageWikiLink Mercury-Redstone_3.
- Mercury-Redstone_BD wikiPageWikiLink Mercury-Redstone_Launch_Vehicle.
- Mercury-Redstone_BD wikiPageWikiLink Mercury_(spacecraft).
- Mercury-Redstone_BD wikiPageWikiLink Mercury_program.
- Mercury-Redstone_BD wikiPageWikiLink NASA.
- Mercury-Redstone_BD wikiPageWikiLink Nikolai_Kamanin.
- Mercury-Redstone_BD wikiPageWikiLink Project_Mercury.
- Mercury-Redstone_BD wikiPageWikiLink Sofar_bomb.
- Mercury-Redstone_BD wikiPageWikiLink Wernher_von_Braun.
- Mercury-Redstone_BD wikiPageWikiLinkText "MR-BD".
- Mercury-Redstone_BD wikiPageWikiLinkText "Mercury".
- Mercury-Redstone_BD wikiPageWikiLinkText "Mercury-Redstone BD".
- Mercury-Redstone_BD hasPhotoCollection Mercury-Redstone_BD.
- Mercury-Redstone_BD imageCaption "Mercury Redstone BD launch".
- Mercury-Redstone_BD insignia "Mercury insignia.png".
- Mercury-Redstone_BD landingDate "--03-24".
- Mercury-Redstone_BD launchDate "--03-24".
- Mercury-Redstone_BD launchRocket "Redstone MRLV MR-5".
- Mercury-Redstone_BD launchSite Cape_Canaveral_Air_Force_Station.
- Mercury-Redstone_BD launchSite Cape_Canaveral_Air_Force_Station_Launch_Complex_5.
- Mercury-Redstone_BD manufacturer McDonnell_Aircraft.
- Mercury-Redstone_BD missionDuration "503.0".
- Mercury-Redstone_BD missionType "Test flight".
- Mercury-Redstone_BD name "Mercury-Redstone Booster Development".
- Mercury-Redstone_BD nextMission Mercury-Redstone_3.
- Mercury-Redstone_BD operator NASA.
- Mercury-Redstone_BD previousMission Mercury-Redstone_2.
- Mercury-Redstone_BD programme Project_Mercury.
- Mercury-Redstone_BD programme "(Mercury-Redstone series)".
- Mercury-Redstone_BD spacecraftType "Mercury boilerplate".
- Mercury-Redstone_BD wikiPageUsesTemplate Template:Include-NASA.
- Mercury-Redstone_BD wikiPageUsesTemplate Template:Infobox_spaceflight.
- Mercury-Redstone_BD wikiPageUsesTemplate Template:Project_Mercury.
- Mercury-Redstone_BD wikiPageUsesTemplate Template:Quote.
- Mercury-Redstone_BD wikiPageUsesTemplate Template:Reflist.
- Mercury-Redstone_BD subject Category:1961_in_spaceflight.
- Mercury-Redstone_BD subject Category:Project_Mercury.
- Mercury-Redstone_BD hypernym Flight.
- Mercury-Redstone_BD type Article.
- Mercury-Redstone_BD type ArtificialSatellite.
- Mercury-Redstone_BD type CelestialBody.
- Mercury-Redstone_BD type Place.
- Mercury-Redstone_BD type Satellite.
- Mercury-Redstone_BD type Article.
- Mercury-Redstone_BD type Program.
- Mercury-Redstone_BD type Programme.
- Mercury-Redstone_BD type Source.
- Mercury-Redstone_BD type Location.
- Mercury-Redstone_BD type Place.
- Mercury-Redstone_BD type Thing.
- Mercury-Redstone_BD comment "Mercury-Redstone BD was an unmanned booster development flight in the U.S. Mercury program. It was launched on March 24, 1961 from Launch Complex 5 at Cape Canaveral, Florida. The mission used a boilerplate Mercury spacecraft and Redstone MRLV-5.After the problems that developed during the MR-2 mission carrying the chimpanzee Ham, it was apparent that the Redstone needed further development before it could be trusted to carry a human passenger.Dr.".
- Mercury-Redstone_BD label "Mercury-Redstone BD".
- Mercury-Redstone_BD sameAs Мъркюри-Редстоун_BD.
- Mercury-Redstone_BD sameAs Mercury-Redstone_BD.
- Mercury-Redstone_BD sameAs Mercury-Redstone_BD.
- Mercury-Redstone_BD sameAs Mercury_Redstone_BD.
- Mercury-Redstone_BD sameAs Mercury-Redstone_BD.
- Mercury-Redstone_BD sameAs Mercury-Redstone_BD.
- Mercury-Redstone_BD sameAs Mercury-Redstone_BD.
- Mercury-Redstone_BD sameAs m.036w7s.
- Mercury-Redstone_BD sameAs Меркурий-Редстоун-BD.
- Mercury-Redstone_BD sameAs Q1467675.
- Mercury-Redstone_BD sameAs Q1467675.
- Mercury-Redstone_BD wasDerivedFrom Mercury-Redstone_BD?oldid=669621535.
- Mercury-Redstone_BD depiction MR-BD_liftoff.jpg.
- Mercury-Redstone_BD isPrimaryTopicOf Mercury-Redstone_BD.