 | Excalibur Credit - Truax Engineering
| Orbital launch vehicle. Year: 1992. Family: Truax. Country: USA. Status: Design 1992. Excalibur was a subscale version of Sea Dragon proposed by Truax Engineering in the 1990's. It featured the same attributes as Sea Dragon: low cost design (pressure fed engines), Lox/Kerosene first stage (combustion chamber pressure 24 atmospheres) and Lox/LH2 second stage (chamber pressure 5 atmospheres). Guidance would be by a combined Inertial/GPS system. An even smaller Excalibur S vehicle would prove the concept and place 500 kg in orbit. Manufacturer: Truax. LEO Payload: 55,000 kg (121,000 lb). to: 230 km Orbit. at: 90.00 degrees. Total Mass: 2,366,500 kg (5,217,200 lb). Core Diameter: 10.67 m (35.00 ft). Total Length: 120.00 m (390.00 ft).
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