R-39 St2	home topic index
Engine Model: R-39 St2. Designer: Makeev. Propellants: N2O4/UDMH. Country: Russia. R-39 St2 used on Rocket Stages Used on stage: R-39-2. on launch vehicle: R-39. Contact us with any corrections, additions, or comments. Conditions for use of drawings, pictures, or other materials from this site.. To contact astronauts or cosmonauts. © Mark Wade, 1997 - 2008 except where otherwise noted.