RSA-4-1

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Model: RSA-4-1. Gross Mass: 66,000 kg (145,000 lb). Empty Mass: 8,000 kg (17,600 lb). Thrust (vac): 1,520.000 kN (341,700 lbf). Isp: 270 sec. Burn time: 73 sec. Propellants: Solid. Isp(sl): 244 sec. Diameter: 2.40 m (7.80 ft). Span: 5.90 m (19.30 ft). Length: 10.30 m (33.70 ft). Country: South Africa. No Engines: 1. Motor: RSA-4-1. Status: Development ended 1994.

Vacuum specific impulse / thrust estimated. Sea leval 139,000 kNs delivered over 73 seconds. Includes 3400 kg mass of fins, interstage and upper-stage constant-diameter fairing ('sleeve') which is jettisoned after first stage burnout.

Used on Launch Vehicles:

RSA.

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