Engine Model: DMT-600 MMH. Designer: Isayev. Application: Hermes. Propellants: N2O4/MMH. Thrust(vac): 600 N (130 lbf). Isp: 306 sec. Burn time: 5,000 sec. Mass Engine: 4.20 kg (9.20 lb). Chambers: 1. Chamber Pressure: 9.00 bar. Area Ratio: 46.50. Oxidizer to Fuel Ratio: 1.65. Thrust to Weight Ratio: 14.57. Country: Russia. Status: In Production. Version of DMT-600 using MMH in place of UDMH, adaptation to western market (was discussed for European Hermes space plane project). 6,000 ignitions
Bibliography:- Haeseler, Dietrich, Visit to the museum of Chemical Machining Design Bureau, Kalinin 1998 via Dietrich Haeseler.