American orbital launch vehicle. Proposed upgrade to Delta IV Heavy by adding 4 GEM-60 solid rocket boosters, RS-68 Regen upgraded engines with regeneratively-cooled nozzles to the core vehicles, and cryogenic propellant densification. 6.5 m diameter payload fairing. Introduction would require modifications to existing launch pads.
LEO Payload: 36,000 kg (79,000 lb) to a 407 km orbit at 28.50 degrees. Payload: 14,000 kg (30,000 lb) to a earth escape.
Status: Study 2004.
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Payload: 36,000 kg (79,000 lb).
Height: 71.00 m (232.00 ft).
Diameter: 5.00 m (16.40 ft).
Span: 15.00 m (49.00 ft).
Apogee: 407 km (252 mi).
Delta IV The Delta IV was the world's first all-Lox/LH2 launch vehicle and represented the only all-new-technology launch vehicle developed in the United States since the 1970's. It was the winner of the bulk of the USAF EELV orders and was based on the all-new RS-68-powered Lox/LH2 cryogenic Common Booster Core (CBC). This could be used with new Delta cryogenic upper stages powered by the RL10 engine but unrelated to previous Centaur upper stages. More...
Associated Manufacturers and Agencies
Douglas American manufacturer of rockets, spacecraft, and rocket engines. Boeing Huntington Beach, Huntington Beach, CA, USA. More...
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