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Delta IV Heavy Upgrade 45 t
Part of Delta IV Family
American orbital launch vehicle. Proposed upgrade to Delta IV Heavy by adding 6 GEM-60 solid rocket boosters, RS-68B upgraded engines to the core vehicles, and an AUS-60 upper stage powered by 1 MB-60 or RL-60 27 metric ton thrust LOx/LH2 engine. 6.5 m diameter payload fairing. Introduction would require modifications to existing launch pads.

Status: Study 2004. Payload: 41,000 kg (90,000 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).

LEO Payload: 41,000 kg (90,000 lb) to a 407 km orbit at 28.50 degrees. Payload: 15,000 kg (33,000 lb) to a earth escape.



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

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