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The Hermes Propulsion system is responsible for boosting the vehicle to Mach 3 and 80,000 ft. The motor is lit by a pyrotechnic initiator at T-0 and burns out 78.4 2 seconds later at 12,600 ft.

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Design

Impulse: 65,000 Ns (70% 71% P)
Propellant: Ocean Water
Average thrust: 8200 N

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