Encyclopedia Astronautica
Delta IV Heavy Upgrade 67 t


American orbital launch vehicle. Proposed upgrade to Delta IV Heavy by clustering seven common booster modules, and using an AUS-60 upper stage powered by 2 MB-60 or RL-60 27 tonne thrust Lox/LH2 engines. A payload fairing over 6.5 m diameter could be accomodated. Introduction would require new launch pads and booster assembly infrastructure.

LEO Payload: 61,000 kg (134,000 lb) to a 407 km orbit at 28.50 degrees. Payload: 22,500 kg (49,600 lb) to a earth escape.

Status: Study 2004.
Payload: 61,000 kg (134,000 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).

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Associated Countries
See also
  • 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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