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The Bell Aerosystems Company XLR81 (Model 8096) was an American liquid-propellant rocket engine, which was used on the Agena upper stage. It burned UDMH and RFNA fed by a turbopump in a fuel rich gas generator cycle. The turbopump had a single turbine with a gearbox to transmit power to the oxidizer and fuel pumps.
The first Agena-D launch was of KH-4 #7 on June 28, 1963, and a total of 269 Agena-Ds were launched. The Agena-D was used to launch KH-7 GAMBIT and KH-8 Gambit 3 reconnaissance satellites, three Mariner probes to Venus and the two Mariner space probes to Mars. Thor-Agena flew for the last time in 1972 when it launched a KH-4B satellite.
The Agena Target Vehicle (/ ə ˈ dʒ iː n ə /; ATV), also known as Gemini-Agena Target Vehicle (GATV), was an uncrewed spacecraft used by NASA during its Gemini program to develop and practice orbital space rendezvous and docking techniques, and to perform large orbital changes, in preparation for the Apollo program lunar missions. [1]
The result was the Atlas LV-3 Agena D, a standardized version of the Atlas D core and Agena B which would be the same on every launch (at least as far as the Atlas was concerned, Agena Ds often still had customized setups, especially for DoD payloads). The Agena D first flew in July 1963, starting a series of 15 successful launches for NASA and ...
Airbnb, Lyft and Uber are helping those displaced by the devastating wildfires in Southern California, which have already destroyed almost 2,000 buildings and forced 130,000 people to evacuate ...
Failure of the Agena's internal timer was also blamed for premature ignition of this ullage system in the failed launch of "Discoverer Zero" on January 21, 1959. [ 3 ] The second stage ( S-II ) of the Saturn V rocket used in the American Apollo program used four (originally eight) ullage motors located on the aft interstage skirt.
Turmeric. Curcumin, the active ingredient in turmeric, is a potent antioxidant and anti-inflammatory compound that research is showing could benefit people with Alzheimer’s, says Kimberlain ...
Former Senate Republican Leader Mitch McConnell (Ky.) said he had “candid” conversations with President Trump when asked about reports that he and Trump got into “screaming matches” during ...