Engine Model: 4D10. Government Designation: 4D10. Designer: Isayev. Application: R-27 / RSM-25 (SS-N-6). Propellants: N2O4/UDMH. Thrust(vac): 255.000 kN (57,326 lbf). Chambers: 1 + 4. Country: Russia. Status: Out of Production. First engine system to be submerged in propellant tank. One main engine chamber plus unknown number (probably 4) of steering thrusters. Thrust 226 + 29 kN.
Bibliography:- Russian Space Industry, Federation of American Scentists Web Pages, 1998 via Dietrich Haeseler. Web Address when accessed: http://www.fas.org/spp/civil/russia/.
- Shirokorad, A, Rakety nad Morem, Second Edition, Tekhnika I Vooruzhenie, Moscow 11-12, 1997 via Dietrich Haeseler.
- Russian Arms Catalogue, Vol 5 and 6, Military Parade, Moscow via Dietrich Haeseler.