Engine Model: DOT-25. Designer: Isayev. Propellants: Hydrazine. Thrust(vac): 25 N (5 lbf). Isp: 235 sec. Burn time: 25,000 sec. Mass Engine: 1.30 kg (2.80 lb). Chambers: 1. Chamber Pressure: 4.50 bar. Area Ratio: 55.00. Thrust to Weight Ratio: 1.96. Country: Russia. Status: In Production. Pressure-fed monopropellant engine. Thermal decomposition of hydrazine by a wire catalyst, which is electrically heated to 620 K. 60,000 ignitions
Bibliography:- Haeseler, Dietrich, Visit to the museum of Chemical Machining Design Bureau, Kalinin 1998 via Dietrich Haeseler.