What fuel does Spaceship 2 use?
What fuel does Spaceship 2 use? RocketMotorTwo is a hybrid rocket engine utilizing solid hydroxyl-terminated polybutadiene (HTPB) fuel and liquid nitrous oxide oxidizer – sometimes referred to as an N2O/HTPB motor – providing 70,000 pounds-force (310 kN) of thrust. How much does VSS Unity cost? Those are in a different tier, going for $600,000 apiece, […]