LM-3A

The current page: Home -> Space Transportation

LM-3A

LM-3A is a 3-stage launch vehicle developed on the basis of LM-3 and LM- 2C. Its third stage is powered by cryogenic propellants --- liquid hydrogen and liquid oxygen. It is mainly usec for launching spacecraft with GTO mission. Its launch capability for GTO mission is 2,600 kg. The fairing static envelope is 3m in diameter.

Technical Data

Stage 1st Stage 2nd Stage 3rd Stage
Lift-off Mass (t) 241
Stage Propellant Mass (t) 171.775 30.752 18.193
Propellant N2O4/UDMH LOX/LH2
Engine YF-21C YF-24E
YF-22E (Main)
YF-23C (Vernier)
YF-75
Engine Thrust (KN) 2961.6 742 (Main)
11.8x4 (Vernier)
78.5x2
Engine Specific Impulse
(N.Sec/kg)
2556.5 2922.57 (Main)
2910.5 (Vernier)
4312
Booster 0
Overall Length (m) 52.52
Fairing Diameter (m) 3.35
Fairing Length (m) 8.887
GTO Launch Capability (kg) 2600
LM-3A