AKA: Horus. Status: Study 1985. Thrust: 1,280.00 kN (287,756 lbf). Gross mass: 112,000 kg (246,000 lb). Unfuelled mass: 32,600 kg (71,800 lb). Specific impulse: 490 s. Specific impulse sea level: 409 s. Burn time: 298 s. Height: 27.60 m (90.50 ft). Diameter: 5.50 m (18.00 ft). Span: 15.60 m (51.10 ft).
Cost $ : 18.000 million.