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Delta IV Heavy Upgrade 87 t
Part of Delta IV
American orbital launch vehicle. Proposed upgrade to Delta IV Heavy by clustering seven common booster modules, using a new RS-800K engine in the booster stages, and an AUS-60 27 metric ton thrust LOx/LH2 upper stage. Payload fairings over 6.5 m diameter could be accommodated. Introduction would require new launch pads and booster assembly infrastructure.

Status: Study 2004. Payload: 79,000 kg (174,000 lb). Height: 67.00 m (219.00 ft). Diameter: 5.00 m (16.40 ft). Span: 15.00 m (49.00 ft). Apogee: 407 km (252 mi).

LEO Payload: 79,000 kg (174,000 lb) to a 407 km orbit at 28.50 degrees. Payload: 30,000 kg (66,000 lb) to a earth escape.



Family: orbital launch vehicle. Country: USA. Agency: Douglas.

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