AKA: J-1-2. Status: In development. Number: 1 . Thrust: 524.80 kN (117,980 lbf). Gross mass: 12,800 kg (28,200 lb). Unfuelled mass: 2,400 kg (5,200 lb). Specific impulse: 282 s. Burn time: 73 s. Height: 2.70 m (8.80 ft). Diameter: 1.40 m (4.50 ft).
Area Ratio: 23.