Engine Model: DOK-50. Designer: Isayev. Propellants: Hydrazine. Thrust(vac): 50 N (11 lbf). Isp: 229 sec. Burn time: 1,500 sec. Mass Engine: 1.10 kg (2.40 lb). Chambers: 1. Chamber Pressure: 8.00 bar. Area Ratio: 42.00. Thrust to Weight Ratio: 4.63. Country: Russia. Status: In Production. Pressure-fed monopropellant engine. Thermal decomposition of hydrazine by an iridium-based catalyst, which heated to increase stability. 40,000 ignitions
Bibliography:- Haeseler, Dietrich, Visit to the museum of Chemical Machining Design Bureau, Kalinin 1998 via Dietrich Haeseler.