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- Big_Joe_1 abstract "Big Joe 1 (Atlas 10-D) launched an unmanned boilerplate Mercury capsule from Cape Canaveral, Florida on September 9, 1959. The objective of the Big Joe program was to test the Mercury spacecraft ablating heat shield. It was also the first launch of a spacecraft in Project Mercury.Late on the night of September 8-9, Atlas 10D's engines roared to life on LC-14 and drove the Mercury capsule into the black sky. Everything performed perfectly until around the two-minute mark when telemetry readouts indicated that the booster section had failed to stage. The added dead weight of the engines meant that the Atlas could not attain its intended altitude and velocity, so that the sustainer engine used up its propellants and cut off 14 seconds early. Thanks to the premature SECO (Sustainer Engine Cutoff), the explosive bolts holding the capsule to the Atlas did not fire and it remained attached to its spent booster. Ground crews had to repeatedly fire the RCS (Reaction Control System) thrusters to tear the capsule free and in doing so exhausted the propellant supply. Navy recovery crews hurried to locate the capsule following splashdown and after a few hours, did so. The boilerplate Mercury was found to have survived the mission in good condition and verified the ablative heat shield. Plans for a beryllium heat shield in the event the ablative one did not work were scrapped.The Mercury capsule flew a 1,424 mile (2,292 km) ballistic flight to the altitude of 90 miles (140 km). The capsule was recovered and studied for the effect of re-entry heat and other flight stresses from its 13-minute flight. Since the data from Big Joe 1 satisfied NASA requirements, a second launch, Big Joe 2 (Atlas 20D), which had been scheduled for the fall of 1959, was canceled and the launch vehicle was transferred to the Atlas Able program.While the Mercury team was satisfied with the flight, Convair engineers were not. The Atlas had failed to stage its booster section and overall vehicle performance was rather marginal. They listed the flight in official records as a failure. The staging problem was ultimately traced to a probable bad electrical contact. Convair's morale was soon raised however by the successful launch of Atlas 12D from Vandenberg Air Force Base on the West Coast followed by the vehicle being declared officially \"operational\".Capsule weight: 2,555 lb (1,159 kg). Serial numbers: Atlas 628/10-D, Mercury spacecraft - prototype.The Mercury spacecraft used in the Big Joe 1 mission is displayed at the National Air and Space Museum's Steven F. Udvar-Hazy Center in Chantilly, Virginia.".
- Big_Joe_1 thumbnail Big_Joe_Ready_for_Launch_at_Cape_Canaveral_-_GPN-2002-000045.jpg?width=300.
- Big_Joe_1 wikiPageExternalLink sc-query.html.
- Big_Joe_1 wikiPageExternalLink cover.htm.
- Big_Joe_1 wikiPageExternalLink 19760067285_1976067285.pdf.
- Big_Joe_1 wikiPageExternalLink watch?v=OLSxsUNn394.
- Big_Joe_1 wikiPageID "728197".
- Big_Joe_1 wikiPageLength "4731".
- Big_Joe_1 wikiPageOutDegree "22".
- Big_Joe_1 wikiPageRevisionID "691441578".
- Big_Joe_1 wikiPageWikiLink Big_Joe_(Project_Mercury).
- Big_Joe_1 wikiPageWikiLink Boilerplate_(spaceflight).
- Big_Joe_1 wikiPageWikiLink Cape_Canaveral_Air_Force_Station.
- Big_Joe_1 wikiPageWikiLink Cape_Canaveral_Air_Force_Station_Launch_Complex_14.
- Big_Joe_1 wikiPageWikiLink Category:1959_in_spaceflight.
- Big_Joe_1 wikiPageWikiLink Category:Project_Mercury.
- Big_Joe_1 wikiPageWikiLink Heat_shield.
- Big_Joe_1 wikiPageWikiLink Little_Joe_(rocket).
- Big_Joe_1 wikiPageWikiLink McDonnell_Aircraft.
- Big_Joe_1 wikiPageWikiLink Mercury-Atlas_1.
- Big_Joe_1 wikiPageWikiLink Mercury_(spacecraft).
- Big_Joe_1 wikiPageWikiLink NASA.
- Big_Joe_1 wikiPageWikiLink National_Air_and_Space_Museum.
- Big_Joe_1 wikiPageWikiLink Project_Mercury.
- Big_Joe_1 wikiPageWikiLink SM-65D_Atlas.
- Big_Joe_1 wikiPageWikiLink Splashdown.
- Big_Joe_1 wikiPageWikiLink Steven_F._Udvar-Hazy_Center.
- Big_Joe_1 wikiPageWikiLinkText "Big Joe 1".
- Big_Joe_1 wikiPageWikiLinkText "Mercury-Big Joe".
- Big_Joe_1 imageCaption "Big Joe 1 at LC-14 in September 1959".
- Big_Joe_1 insignia "Mercury insignia.png".
- Big_Joe_1 landingDate "--09-09".
- Big_Joe_1 launchDate "--09-09".
- Big_Joe_1 launchRocket SM-65D_Atlas.
- Big_Joe_1 launchSite Cape_Canaveral_Air_Force_Station.
- Big_Joe_1 launchSite Cape_Canaveral_Air_Force_Station_Launch_Complex_14.
- Big_Joe_1 manufacturer McDonnell_Aircraft.
- Big_Joe_1 missionDuration "780.0".
- Big_Joe_1 missionType "Reentry test".
- Big_Joe_1 name "Big Joe 1".
- Big_Joe_1 nextMission Mercury-Atlas_1.
- Big_Joe_1 operator NASA.
- Big_Joe_1 programme Project_Mercury.
- Big_Joe_1 programme "(Mercury-Atlas series)".
- Big_Joe_1 spacecraftType "Mercury boilerplate".
- Big_Joe_1 wikiPageUsesTemplate Template:Convert.
- Big_Joe_1 wikiPageUsesTemplate Template:End-date.
- Big_Joe_1 wikiPageUsesTemplate Template:Include-NASA.
- Big_Joe_1 wikiPageUsesTemplate Template:Infobox_spaceflight.
- Big_Joe_1 wikiPageUsesTemplate Template:Project_Mercury.
- Big_Joe_1 wikiPageUsesTemplate Template:Reflist.
- Big_Joe_1 wikiPageUsesTemplate Template:Start-date.
- Big_Joe_1 subject Category:1959_in_spaceflight.
- Big_Joe_1 subject Category:Project_Mercury.
- Big_Joe_1 type ArtificialSatellite.
- Big_Joe_1 type CelestialBody.
- Big_Joe_1 type Place.
- Big_Joe_1 type Satellite.
- Big_Joe_1 type Program.
- Big_Joe_1 type Programme.
- Big_Joe_1 type Source.
- Big_Joe_1 type Location.
- Big_Joe_1 type Place.
- Big_Joe_1 type Thing.
- Big_Joe_1 comment "Big Joe 1 (Atlas 10-D) launched an unmanned boilerplate Mercury capsule from Cape Canaveral, Florida on September 9, 1959. The objective of the Big Joe program was to test the Mercury spacecraft ablating heat shield. It was also the first launch of a spacecraft in Project Mercury.Late on the night of September 8-9, Atlas 10D's engines roared to life on LC-14 and drove the Mercury capsule into the black sky.".
- Big_Joe_1 label "Big Joe 1".
- Big_Joe_1 sameAs Q762523.
- Big_Joe_1 sameAs Биг_Джо_1.
- Big_Joe_1 sameAs Big_Joe_1.
- Big_Joe_1 sameAs Mercury-Big-Joe_1.
- Big_Joe_1 sameAs Big_Joe_1.
- Big_Joe_1 sameAs Mercury-Big_Joe_1.
- Big_Joe_1 sameAs Big_Joe_1.
- Big_Joe_1 sameAs m.0365hv.
- Big_Joe_1 sameAs Биг_Джо-1.
- Big_Joe_1 sameAs Big_Joe_1.
- Big_Joe_1 sameAs Q762523.
- Big_Joe_1 wasDerivedFrom Big_Joe_1?oldid=691441578.
- Big_Joe_1 depiction Big_Joe_Ready_for_Launch_at_Cape_Canaveral_-_GPN-2002-000045.jpg.
- Big_Joe_1 isPrimaryTopicOf Big_Joe_1.