Mu-3

The Japanese Mu launcher series provided a flexible all-solid propellant launch vehicle for access to space.

LEO Payload: 770 kg (1,690 lb) to a 185 km orbit. Payload: 520 kg (1,140 lb) to a GTO. Launch Price $: 30.000 million in 1994 dollars.

Stage Data - Mu-3

• Stage 0. 2 x Mu-3S-0. Gross Mass: 5,100 kg (11,200 lb). Empty Mass: 1,080 kg (2,380 lb). Thrust (vac): 327.830 kN (73,699 lbf). Isp: 263 sec. Burn time: 38 sec. Isp(sl): 238 sec. Diameter: 0.73 m (2.39 ft). Span: 0.73 m (2.39 ft). Length: 8.25 m (27.06 ft). Propellants: Solid. No Engines: 1. Engine: SB-735. Other designations: SB-735. Status: In Production.

• Stage 1. 1 x Mu-3S-1. Gross Mass: 34,800 kg (76,700 lb). Empty Mass: 7,640 kg (16,840 lb). Thrust (vac): 1,262.419 kN (283,803 lbf). Isp: 263 sec. Burn time: 70 sec. Isp(sl): 238 sec. Diameter: 1.41 m (4.62 ft). Span: 5.00 m (16.40 ft). Length: 14.75 m (48.39 ft). Propellants: Solid. No Engines: 1. Engine: M-13. Other designations: M-13. Status: In Production.

• Stage 2. 1 x 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. 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). Propellants: Solid. No Engines: 1. Engine: M-23-Mu. Other designations: M-23. Status: In Production.

• Stage 3. 1 x Mu-3S-3. Gross Mass: 3,590 kg (7,910 lb). Empty Mass: 490 kg (1,080 lb). Thrust (vac): 132.115 kN (29,701 lbf). Isp: 294 sec. Burn time: 85 sec. Diameter: 1.50 m (4.90 ft). Span: 1.50 m (4.90 ft). Length: 2.68 m (8.79 ft). Propellants: Solid. No Engines: 1. Engine: M-3B-Mu. Other designations: M-3B. Status: In Production.