The Propulsion Systems damp spacecraft's initial post-separation disturbances and provide attitude control and orbit correction.

Microsat Satellite Propulsion System 

Sich-2M Satellite Propulsion System

Basic Specifications

Working medium -  ammonia

Expulsion gas – ammonia vapor

Maximum bottle pressure at 50°С, MPa


Nominal ammonia pressure upstream engines, MPa


Total thrust impulse, kN·s


Nominal engine thrust, N

0,05; 0,1; 0,15

Thrust excursion in all operating environments, %


Engine thrust-to-power ratio, not more than, W/N


Engine specific impulse (working medium – ammonia decomposition products at 1100°С at nozzle inlet), m/s