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- Delta_3000 abstract "The Delta 3000 series was an American expendable launch system which was used to conduct thirty five orbital launches between 1975 and 1989. It was a member of the Delta family of rockets. Several variants existed, which were differentiated by a four digit numerical code.The first stage was the RS-27 powered Extended Long Tank Thor, first flown on the 2000-series. Three or nine Castor-4 solid rocket boosters were attached to increase thrust at lift-off, replacing the less powerful Castor-2 boosters used on earlier models. Two second stages were available; the Delta-P, which had been flown on the Delta 1000 and 2000 series, or the Delta-K, an uprated version with the Aerojet engine. Some launches used a three-stage configuration in order to reach higher orbits. A Star-37D, Star-37E, or Star-48B PAM-D could be used as an upper stage. Launches with PAM-D upper stages were designated Delta 3XX0 PAM-D, rather than assigning a code to the upper stage for use in the four-digit sequence. From the 4000-series onwards, the PAM-D received the upper stage code "5", however this was not applied retrospectively to 3000-series rockets, which were still in service at the time.The Delta 3000 was launched from Space Launch Complex 2W at Vandenberg AFB and Launch Complex 17A and B at Cape Canaveral. Of the 35 launches, there were two complete and one partial failure. The first, Vehicle 134 lifted from LC-17A at Cape Canaveral on September 13, 1977 with a European OTS communications satellite and exploded less than a minute into the flight when one of the solid rocket motor casings ruptured. There had been an upper stage failure of a Delta 2000 series in April and three weeks later, an Atlas-Centaur exploded 55 seconds after liftoff. NASA was particularly vexed by the string of accidents in 1977 because they had had a perfect run the year before (16 launches in 1976 without a failure). While this record (three failures out of 16 NASA launches during 1977) would have been acceptable in the 1960s, it was not welcomed at all in the late 1970s after the early "Wild West" days of the space program had passed and the hardware was supposed to be mature.The second Delta 3000 failure, Vehicle 150, was launched on December 7, 1979 but its Satcom communications satellite remained trapped in low earth orbit when the third stage failed to ignite. The third, Vehicle 178, launched on May 3, 1986 with a GOES weather satellite. This was televised on CNN to mark NASA's first launch since the Challenger Disaster four months earlier, but proved to be a serious embarrassment to the program. The Delta performed normally until T+71 seconds when the main engine abruptly shut off. With no attitude control, the launch vehicle began tumbling violently. The shroud, payload, and third stage were ripped away followed several seconds later by Range Safety issuing the destruct command. It was the first time an electrical failure had occurred in a Delta since its introduction in 1960. Investigators concluded that two voltage spikes in the power system, which was also an old design not modified or updated since 1960, had caused the engine valves to snap shut, immediately terminating all thrust. As the solid rocket motors had fixed nozzles with no gimballing ability, the booster became completely uncontrollable without the main engine. Delta 150 was the first failed launch since 134 nine years earlier and marked the end of 42 consecutive flights without a failure, a record for the US space program.The two voltage spikes in the power system caused a sudden major load on the first stage battery, which ordinarily supplied 9 amps of power, but momentary shot up to 188 amps, a more than 2000 percent increase that quickly drained it and resulted in loss of the electrical current used to keep the engine valves open. Investigators ultimately traced the incident to a damaged wiring harness; there had recently been a switch from polyvinyl chloride wire insulation to Teflon. Because engineers had not taken into account the shape of the wiring harness when this modification was made, it banged against other components inside the first stage due to vibration during launch. The insulation was then rubbed off the wires, exposing them and allowing a short to occur.During the first half of the 1980s, the rate of Delta launches drastically declined due to the space shuttle taking a large part of its missions. Orders for the booster slowed to a trickle and McDonnell-Douglas came close to completely shutting down production. 1985 was the first year since the Delta family's introduction in 1960 that no launches took place, but the Challenger Disaster brought about a renewed need for disposable launch vehicles and orders soon picked up again. While only a handful of Delta launches took place in 1986-88, nine flew in 1989 and the 1990s would see a busy schedule most years except 1994-95 (seven launches during those two years).".
- Delta_3000 countryOrigin United_States.
- Delta_3000 finalFlight "1989-03-24".
- Delta_3000 launchSite Cape_Canaveral_Air_Force_Station.
- Delta_3000 launchSite Vandenberg_Air_Force_Base.
- Delta_3000 maidenFlight "1975-12-13".
- Delta_3000 partialFailedLaunches "1".
- Delta_3000 rocketFunction Expendable_launch_system.
- Delta_3000 status "Retired".
- Delta_3000 successfulLaunches "32".
- Delta_3000 thumbnail Delta_3910_rocket_with_SMM_satellite.jpg?width=300.
- Delta_3000 totalLaunches "35".
- Delta_3000 wikiPageID "21551824".
- Delta_3000 wikiPageLength "6470".
- Delta_3000 wikiPageOutDegree "32".
- Delta_3000 wikiPageRevisionID "682970936".
- Delta_3000 wikiPageWikiLink Atlas-Centaur.
- Delta_3000 wikiPageWikiLink CNN.
- Delta_3000 wikiPageWikiLink Cape_Canaveral_Air_Force_Station.
- Delta_3000 wikiPageWikiLink Cape_Canaveral_Air_Force_Station_Launch_Complex_17.
- Delta_3000 wikiPageWikiLink Cape_Canaveral_Air_Force_Station_Space_Launch_Complex_17.
- Delta_3000 wikiPageWikiLink Castor-4.
- Delta_3000 wikiPageWikiLink Category:Delta_(rocket_family).
- Delta_3000 wikiPageWikiLink Challenger_Disaster.
- Delta_3000 wikiPageWikiLink Delta-K.
- Delta_3000 wikiPageWikiLink Delta-P.
- Delta_3000 wikiPageWikiLink Delta_(rocket_family).
- Delta_3000 wikiPageWikiLink Delta_2000.
- Delta_3000 wikiPageWikiLink Delta_4000.
- Delta_3000 wikiPageWikiLink Expendable_launch_system.
- Delta_3000 wikiPageWikiLink Extended_Long_Tank_Thor.
- Delta_3000 wikiPageWikiLink Orbit.
- Delta_3000 wikiPageWikiLink Payload_Assist_Module.
- Delta_3000 wikiPageWikiLink RS-27.
- Delta_3000 wikiPageWikiLink Solar_Maximum_Mission.
- Delta_3000 wikiPageWikiLink Solid_rocket_booster.
- Delta_3000 wikiPageWikiLink Space_Shuttle.
- Delta_3000 wikiPageWikiLink Space_Shuttle_Challenger_disaster.
- Delta_3000 wikiPageWikiLink Space_shuttle.
- Delta_3000 wikiPageWikiLink Star-37D.
- Delta_3000 wikiPageWikiLink Star-37E.
- Delta_3000 wikiPageWikiLink Star-48B.
- Delta_3000 wikiPageWikiLink Star_37.
- Delta_3000 wikiPageWikiLink Star_48.
- Delta_3000 wikiPageWikiLink United_States.
- Delta_3000 wikiPageWikiLink Vandenberg_AFB.
- Delta_3000 wikiPageWikiLink Vandenberg_AFB_Space_Launch_Complex_2.
- Delta_3000 wikiPageWikiLink Vandenberg_Air_Force_Base.
- Delta_3000 wikiPageWikiLinkText "Delta 3000".
- Delta_3000 wikiPageWikiLinkText "Delta 3910".
- Delta_3000 wikiPageWikiLinkText "Delta 3913".
- Delta_3000 wikiPageWikiLinkText "Delta 3914".
- Delta_3000 wikiPageWikiLinkText "Delta 3920".
- Delta_3000 wikiPageWikiLinkText "Delta 3924".
- Delta_3000 wikiPageWikiLinkText "Delta-3920".
- Delta_3000 caption "Launch of SolarMax on a Delta 3910 7.2-J 6900.1".
- Delta_3000 failed "2".
- Delta_3000 first "1975-12-13".
- Delta_3000 function Expendable_launch_system.
- Delta_3000 hasPhotoCollection Delta_3000.
- Delta_3000 last "1989-03-24".
- Delta_3000 launches "35".
- Delta_3000 name "Delta 3000 series".
- Delta_3000 partial "1".
- Delta_3000 sites Cape_Canaveral_Air_Force_Station.
- Delta_3000 sites Cape_Canaveral_Air_Force_Station_Launch_Complex_17.
- Delta_3000 sites Cape_Canaveral_Air_Force_Station_Space_Launch_Complex_17.
- Delta_3000 sites Vandenberg_AFB_Space_Launch_Complex_2.
- Delta_3000 sites Vandenberg_Air_Force_Base.
- Delta_3000 status "Retired".
- Delta_3000 success "32".
- Delta_3000 wikiPageUsesTemplate Template:About.
- Delta_3000 wikiPageUsesTemplate Template:Cite_web.
- Delta_3000 wikiPageUsesTemplate Template:Expendable_launch_systems.
- Delta_3000 wikiPageUsesTemplate Template:Infobox_Rocket.
- Delta_3000 wikiPageUsesTemplate Template:Refbegin.
- Delta_3000 wikiPageUsesTemplate Template:Refend.
- Delta_3000 wikiPageUsesTemplate Template:Rocket-stub.
- Delta_3000 wikiPageUsesTemplate Template:Thor_and_Delta_rockets.
- Delta_3000 wikiPageUsesTemplate Template:US_launch_systems.
- Delta_3000 subject Category:Delta_(rocket_family).
- Delta_3000 hypernym System.
- Delta_3000 type MeanOfTransportation.
- Delta_3000 type Rocket.
- Delta_3000 type Vehicle.
- Delta_3000 type DesignedArtifact.
- Delta_3000 type Thing.
- Delta_3000 type Q41291.
- Delta_3000 comment "The Delta 3000 series was an American expendable launch system which was used to conduct thirty five orbital launches between 1975 and 1989. It was a member of the Delta family of rockets. Several variants existed, which were differentiated by a four digit numerical code.The first stage was the RS-27 powered Extended Long Tank Thor, first flown on the 2000-series.".
- Delta_3000 label "Delta 3000".
- Delta_3000 sameAs Delta_3000.
- Delta_3000 sameAs דלתא_3000.
- Delta_3000 sameAs Delta_3000.
- Delta_3000 sameAs Delta_3000.
- Delta_3000 sameAs m.05h4v1s.
- Delta_3000 sameAs Дельта-3000.
- Delta_3000 sameAs Q49520.
- Delta_3000 sameAs Q49520.
- Delta_3000 wasDerivedFrom Delta_3000?oldid=682970936.
- Delta_3000 depiction Delta_3910_rocket_with_SMM_satellite.jpg.