American sea-launched orbital launch vehicle. Two recoverable pressure-fed stages.
LEO Payload: 500 kg (1,100 lb) to a 185 km orbit at 28.00 degrees.
Status: Design 1998.
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Payload: 500 kg (1,100 lb).
Apogee: 185 km (114 mi).
Excalibur 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). More...
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