AKA: Angara Briz M. Status: In development. Thrust: 19.60 kN (4,406 lbf). Gross mass: 6,565 kg (14,473 lb). Unfuelled mass: 1,600 kg (3,500 lb). Specific impulse: 326 s. Burn time: 1,000 s. Height: 2.61 m (8.56 ft). Diameter: 2.50 m (8.20 ft). Span: 2.50 m (8.20 ft).