| M-23 |
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Model: Mu-3S-2. Gross Mass: 13,100 kg (28,800 lb). Empty Mass: 2,800 kg (6,100 lb). Thrust (vac): 523.998 kN (117,799 lbf). Isp: 285 sec. Burn time: 70 sec. Propellants: Solid. Isp(sl): 220 sec. Diameter: 1.41 m (4.62 ft). Span: 1.41 m (4.62 ft). Length: 6.19 m (20.30 ft). Country: Japan. No Engines: 1. Motor: M-23-Mu. Status: Retired 1995. Cost $ : 0.430 million. First Flight: 1985. Last Flight: 1995. No Launched: 9. No Failed: 1. Other designations: M-23.
Model: J-1-2. Gross Mass: 12,800 kg (28,200 lb). Empty Mass: 2,400 kg (5,200 lb). Thrust (vac): 524.802 kN (117,980 lbf). Isp: 282 sec. Burn time: 73 sec. Propellants: Solid. Isp(sl): 0 sec. Diameter: 1.40 m (4.50 ft). Span: 1.40 m (4.50 ft). Length: 2.70 m (8.80 ft). Country: Japan. No Engines: 1. Motor: M-23-J. Status: In development. First Flight: 1996. Last Flight: 1996. No Launched: 1. Other designations: M-23. Version for J-1 F2 has 300 kg heavier empty mass. Used on Launch Vehicles:
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