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Topic: Delta II rocket


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In the News (Tue 25 Jun 19)

  
  Mars Surveyor 98 Launch Vehicle
The Delta II 7425 capability for the Orbiter is 643 kg wet mass at a C3 of 11.263 km
The Delta II is a medium capacity expendable launch vehicle derived from the Delta family of rockets built and launched since 1960.
Initially the rocket lifted 100 pounds to low-Earth orbit (LEO); the Delta II model 7425 with a 9.5-ft fairing boosts approximately 2,490 pounds (1,129 kg) to geosynchronous transfer orbit (GTO) and 6,970 pounds (3,162 kg) to low-Earth orbit (LEO).
mars.jpl.nasa.gov /msp98/delta2.html   (964 words)

  
  Delta II rocket -- Facts, Info, and Encyclopedia article   (Site not responding. Last check: )
Deltas are (Click link for more info and facts about expendable launch vehicle) expendable launch vehicles (ELVs), which means they are only used once.
The medium-capacity Delta II has nine motors total, six of which are lit at liftoff, three lit one minute into flight; the newer Med-Lite models use only three or four motors, all of which are lit at liftoff.
Stage III: Optional solid rocket motor (some Delta II vehicles are two-stage only, and generally used for Earth-orbit missions) provides the majority of the velocity change needed to leave Earth orbit and inject the spacecraft on a trajectory to Mars; connected to the spacecraft until done firing, then separates.
www.absoluteastronomy.com /encyclopedia/d/de/delta_ii_rocket1.htm   (356 words)

  
 Delta II - Wikipedia, the free encyclopedia
The Delta II, specifically, was designed to accommodate the GPS Block II series of satellites.
Delta IIs have successfully launched 115 projects (through August 2004), including several NASA missions to Mars:
Stage III: Optional ATK-Thiokol solid rocket motor (some Delta II vehicles are two-stage only, and generally used for Earth-orbit missions) provides the majority of the velocity change needed to leave Earth orbit and inject the spacecraft on a trajectory to Mars; connected to the spacecraft until done firing, then separates.
en.wikipedia.org /wiki/Delta_2   (590 words)

  
 Spaceflight Now | Delta Launch Report | Delta 2 rocket puts three satellites into Earth orbit
It was a marathon mission for the Delta 2 lasting an hour and 50 minutes from start to finish with multiple burns of the upper stage motor and deployment of the three satellite cargos.
The Delta 2's mission ended almost two hours after it began when the spent second stage ejected the tiny Munin nanosatellite while southeast of Hawaii near the equator having spanned a complete orbit of the Earth.
The three strap-on solid rocket motors are jettisoned to fall into the Pacific as the vehicle begins a "dog-leg maneuver" to change trajectory.
spaceflightnow.com /delta/d282   (1468 words)

  
 Boeing Delta II rocket lifts Air Force Navigational Satellite into orbit
Delta II comprises a large and growing family of expendable rockets that can be configured as two- or three-stage vehicles, depending on mission needs.
Delta II payload delivery capabilities range from about 1 to 2 metric tons (1,980 to 4,550 lb) to geosynchronous transfer orbit (GTO) and from 2.7 to 5.8 metric tons (6,020 to 12,820 lb) to low-Earth orbit (LEO).
The Delta II second stage-engine may be restarted in flight and works in conjunction with the Redundant Inertial Flight Control Assembly (RIFCA) that provides vehicle guidance control to achieve highly accurate orbital insertion of Delta II payloads.
www.gisdevelopment.net /news/2001/jan/afns.htm   (801 words)

  
 Boeing: Integrated Defense Systems - Boeing Launch Services - Delta
Delta's origins go back to the Thor intermediate-range ballistic missile, which was developed in the mid-1950s for the U.S. Air Force.
Known as the "workhorse" of the launch industry, the Delta II comprises a group of expendable rockets that can be configured as two- or three-stage vehicles and with three, four or nine strap-on graphite epoxy motors (GEMs) depending on mission needs.
Delta IV was developed in partnership with the U.S. Air Force EELV program and is the most advanced family of Delta rockets.
www.boeing.com /defense-space/space/delta   (197 words)

  
 Spaceflight Now | Delta Launch Report | Delta rocket launches replacement GPS satellite
Boeing's Delta 2 rocket pierced the nighttime Florida sky at Cape Canaveral and successfully carried the GPS 2R-4 satellite aloft during a 25-minute flight.
The Delta 2 rocket's three air-lit solid rocket boosters are ignited and the six ground-start motors are jettisoned.
Delta 2 rocket - Overview of the Delta 2 7925-model rocket used to launch GPS satellites.
spaceflightnow.com /delta/d278/000511launch.html   (1034 words)

  
 John F. Kennedy Space Center - NASA Direct!
The Delta II was selected for the Swift mission because of the weight/size requirements and the location that Swift is going to be doing its science.
The Delta II launch vehicle from bottom to top is 125 feet and some of the configurations it can launch, the equivalent of a suburban-class utility vehicle with a trailer and a 25-foot boat behind it.
The Delta II can use both pads, both Pad A and Pad B, in the standard configuration, which is nine solids.
www.ksc.nasa.gov /NASADirect/elv/swift/webcast2-omar.htm   (804 words)

  
 Mars Odyssey: The Mission
Odyssey launched on Boeing's Delta II 7925 that uses nine strap-on solid rocket motors.
The casings on the solid rocket motors are made of lightweight graphite epoxy.
During launch and ascent through Earth's atmosphere, the spacecraft PAM-D upper stage combination is protected from aerodynamic forces by a 2.9 meter (9.5 foot) diameter payload fairing, that is jettisoned from the launch vehicle during second stage powered flight at an average altitude of 131 kilometers (81 miles).
mars.jpl.nasa.gov /odyssey/mission/vehicle.html   (274 words)

  
 Cosmos4Kids.com: Delta II Rocket
Typically used for launches of low-Earth orbit missions, the Delta II rocket can be arranged as a two or three stage vehicle and allow up to nine strap on motors.
The Delta II rockets can launch single or multiple mission payloads.
Launch Complex 17-B, Cape Canaveral Air Force Station, the Delta II Heavy launch vehicle carrying the rover "Opportunity" for the second Mars Exploration Rover mission is poised for launch after rollback of the Mobile Service Tower.
www.cosmos4kids.com /misc/rocket_delta2.html   (141 words)

  
 Mars Exploration Rover Mission: The Mission
The Boeing Delta II launch vehicle was selected for the Mars Exploration Rover mission because it has the right liftoff capability for the weight requirements and because it's extremely reliable.
The Delta II family of launch vehicles has been in service for over 10 years and has successfully launched 90 projects including the last five NASA missions to Mars: Mars Global Surveyor and Mars Pathfinder in 1996, Mars Climate Orbiter in 1998, Mars Polar Lander in 1999, and Mars Odyssey in 2001.
The major elements of the Delta Rockets for the MER missions, however, are nearly identical.
marsrovers.jpl.nasa.gov /mission/launch_vehicle.html   (342 words)

  
 NASA - Understanding the Delta II Rocket
The fairing is released at the fringes of the atmosphere to expose the spacecraft to space in preparation for placing the spacecraft in the proper orbit.
When they run out of solid propellant they are jettisoned from the rocket and at the same time the remaining three motors ignite and assist the first stage in getting the rocket to the predetermined altitude mentioned above in the main engine explanation.
It is used to carry the entire rocket to a predetermined altitude, along with the solid rocket motors, before shutting down, allowing the first stage to separate from the second stage.
www.nasa.gov /centers/kennedy/launchingrockets/delta-II-definitions.html   (388 words)

  
 Rocket repairs delay second Mars rover - 30 June 2003 - New Scientist   (Site not responding. Last check: )
The rocket was originally scheduled to blast off on Saturday but take-off was halted when a boat strayed into the waters below the launch path.
Firstly it shields the nine solid rocket boosters attached to the first stage from the coldness of the liquid oxygen during fuelling.
The rocket's boosters have been upgraded to increase its launch capacity and this will be first launch of a Delta 2 in this configuration.
www.newscientist.com /article.ns?id=dn3888   (408 words)

  
 ipedia.com: Delta II rocket Article   (Site not responding. Last check: )
The Boeing Delta II family of launch vehicles has been in service for over 10 years and has successfully launched 90 projects including the last six NASA missions to Mars : Mars Global Surveyor in 199...
Solid rocket motors: Used to increase engine thrust; nine total, six of which are lit at liftoff, three lit one minute into flight
Stage II: Fuel and oxidizer and the vehicle's "brains"; fires twice, once to insert the vehicle-spacecraft stack into low Earth orbit and then again to orient the third stage prior to it firing
www.ipedia.com /delta_ii_rocket.html   (245 words)

  
 Boeing Delta II rocket launches pair of satellites
The Boeing Delta II rocket containing the CALIPSO and CloudSat satellites is seen at Vandenberg Air Force Base, Calif., prior to launch.
The Delta II assembly plant, previously located in Pueblo, Colo., moved to Decatur in July 2004.
Boeing launched three Delta II rockets in 2005, all of which included some components from the Decatur facility.
www.decaturdaily.com /decaturdaily/news/060429/launch.shtml   (472 words)

  
 CNN - Unmanned rocket explodes after liftoff - Jan. 17, 1997
The rocket was to launch a "new generation of satellites for the U.S. Air Force." However, Air Force officials say the rocket self-destructed about 11 a.m.
The rocket was carrying the first in a new generation of Global Positioning System satellites that can enable people to pinpoint time to within a millionth of a second, speed to a fraction of a mile per hour and location to within a few feet.
This was the first time a Delta rocket has blown up in more than a decade.
www.cnn.com /TECH/9701/17/rocket.explosion   (341 words)

  
 Delta II rocket prepared for launch of Deep Space 1   (Site not responding. Last check: )
Delta II rockets are medium capacity expendable launch vehicles derived from the Delta family of rockets built and launched since 1960.
The Thor -- a single-stage, liquid-fueled rocket -- later was modified to become the Delta launch vehicle.
The Delta 7236 has three solid rocket boosters and a Star 37 upper stage.
science.ksc.nasa.gov /gallery/photos/1998/xml/KSC-98PC-1112.xml   (180 words)

  
 Encyclopedia: 2005   (Site not responding. Last check: )
January 12 - Deep Impact is launched from Kennedy Space Center by a Delta 2 rocket.
A Delta II rocket launches from Cape Canaveral carrying a GPS satellite The Boeing IDS Delta II family of launch vehicles has been in service since 1989 and has successfully launched 115 projects (through August, 2004) including the last six NASA missions to Mars: Mars Global Surveyor in 1996 Mars...
Jump to: navigation, search Pope John Paul II (Latin:), born Karol Józef Wojtyła (May 18, 1920 - April 2, 2005), reigned as pope of the Catholic Church for almost 27 years, from 16 October 1978 until his death, making his the third-longest pontificate in the history of the...
www.nationmaster.com /encyclopedia/2005   (9629 words)

  
 KSC Release No. 107-95
The rocket is 125 feet tall and eight feet in diameter.
First used by NASA for Delta launches starting in 1969, the launch pad mobile service structure and fixed umbilical tower have been raised approximately 12 feet to accommodate the longer length of the Delta II vehicle.
The Kennedy Space Center is responsible for government oversight of the Delta II processing activities at Vandenberg Air Force Base, integration of the RADARSAT spacecraft with the launch vehicle and launch countdown activities.
www-pao.ksc.nasa.gov /kscpao/release/1995/107-95.htm   (1047 words)

  
 Rocket Cock protects and quiets Tippmann 98 Custom
The Rocket Cock II is easily the best upgrade for the Tippmann Custom 98 under $20.
Second, the Rocket Cock II offers your fingers some protection against the bolt which slides back and forth every time you fire the marker.
Short of installing a silencer, the Rocket Cock II is a slick upgrade for anyone looking to hush up their noisy 98.
www.specialopspaintball.com /articles/rocketcock2.asp   (419 words)

  
 Wired News: Delta II Rocket Falls to the Odds
Air Force officials said they have scrapped plans to launch a Delta rocket from Vandenberg Air Force Base in California that was scheduled for next week, pending the investigation into Friday's explosion.
The Delta II is powered by a kerosene and liquid oxygen engine used in combination with solid-fueled rocket motors.
The solid fuel burns out at low altitudes and the kerosene and liquid oxygen "are about as toxic as gasoline." Pike said the GPS satellite on board the Delta was outfitted with solar panels and did not use a plutonium power source.
wired-vig.wired.com /news/technology/0,1282,1537,00.html   (523 words)

  
 Business Wire: Boeing Delta II Rocket Poised to Place U.S. Air... @ HighBeam Research   (Site not responding. Last check: )
A Boeing (NYSE: BA) Delta II rocket is poised at Cape Canaveral Air Force Base, Fla. to place a Global Positioning System satellite into orbit.
"Delta II launch vehicles placed the original 24 operational satellites and all replacements for the GPS constellation into orbit for the U.S. Air Force," said Will Hampton, director, Air Force Delta programs.
A contract in 1987 with the Air Force to launch GPS satellites reactivated the Delta manufacturing line and resulted in the introduction of the Delta II rocket.
www.highbeam.com /library/doc0.asp?docid=1G1:66573394&refid=ink_tptd_g1   (452 words)

  
 NASA - THEMIS
Taking multitasking to new heights, NASA launched the five THEMIS satellites aboard a single Delta II rocket from Cape Canaveral Air Force Station in Florida at 6:01 p.m.
Racing into space on the flaming power of three rocket stages and nine solid rocket motors, the THEMIS satellites will soon disperse around Earth to monitor auroras like the Northern Lights.
The launch of NASA's THEMIS spacecraft aboard a Delta II rocket was scrubbed tonight six minutes before launch due to out-of-limit upper level winds.
www.nasa.gov /mission_pages/themis/main   (589 words)

  
 Delta II Rocket Falls to the Odds
The US$55 million Delta II rocket the Air Force used to launch a global positioning satellite had cheated the law of averages.
Air Force officials said they have scrapped plans to launch a Delta rocket from Vandenberg Air Force Base in California that was scheduled for next week, pending the investigation into Friday's explosion.
The Delta II is powered by a kerosene and liquid oxygen engine used in combination with solid-fueled rocket motors.
www.wired.com /news/politics/0,1283,1537,00.html   (475 words)

  
 Universe Today - Delta Launches New GPS Satellite
A Boeing [NYSE: BA] Delta II launch vehicle today successfully delivered the first of the modernized Block IIR Global Positioning System (GPS) satellites to space for the U.S. Air Force.
The Delta II rocket carrying the GPS IIR-14 (M) spacecraft lifted off from Space Launch Complex 17A at Cape Canaveral Air Force Station, Fla., yesterday at 11:37 p.m.
The Boeing Delta II 7925-9.5 configuration vehicle used for this mission featured a Boeing first stage booster powered by a Pratt and Whitney Rocketdyne RS-27A main engine and nine Alliant Techsystems (ATK) solid rocket boosters.
www.universetoday.com /am/publish/delta_launches_new_gps.html?2692005   (667 words)

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