SR ROCKETs

Design and manufacturing of ultra-small-lift and small-lift launch vehicles,
hardware and software complexes is one of the key activities of SR Rockets

License to define space activities
License registration number: L026-00122-77/00708283
Authority that issued the license: Roscosmos

SR ROCKETs
Stalker
SPECIFICATIONS
Small-lift launch vehicles
Payload to 200 km LEO
Payload to 400 km SSO
1700 kg
1300kg
A two-stage, small-lift launch vehicle for commercial launches. The rocket was designed according to market needs
Payload to 700 km SSO
700 kg
Specifications
Stalker
FIRST STAGE
Launch mass
Length
60,5 t
32,8 m
Diameter
2,2 m
Propellants
First stage length
oxygen and methane
18,5 m
Second stage length
6,25 m
Target launch cost
8 350 ths $
Stalker
SPECIFICATIONS
First stage
The propulsion system of the first stage is equipped with 9 engines that were built according to the open cycle layout. Oxygen and methane are used as propellant
First stage length
18,5 m
Thrust: sea level
76,5 tf
SECOND STAGE
Stalker
Thrust: vacuum
86,4 tf
Specific impulse: sea level
300,0 Isp
Specific impulse: vacuum
339,2 Isp
PAYLOAD FAIRING
FIRST STAGE
Second stage
Stalker’s second stage is equipped with one RD-3,5 engine
Second stage length
6,25 m
Stalker
Thrust: sea level
11,0 tf
Specific impulse: vacuum
360,0 Isp
SECOND STAGE
ENGINE
Payload fairing
Stalker
2,2 m
Payload fairing diameter
Payload fairing length
5,2 m
The launch vehicle is designed with the possibility of using two payload fairings. SR Space works on composite materials that will be used to manufacture the rocket
Extended payload fairing diameter
3,2 m
Extended payload fairing length
8 m
PAYLOAD FAIRING
Engine
The RD-1 liquid-propellant rocket engine is built according to the open cycle layout. Oxygen and methane are used as propellant.
Thrust: sea level
8,5 tf
Stalker
Thrust: vacuum
9,6 tf
The engine is designed to be reused during several missions
Specific impulse: sea level
300,0 Isp
Specific impulse: vacuum
339,2 Isp
SR ROCKETs
Cosmos
A two-stage ultra-small launch vehicle designed to launch small spacecraft into orbit
SPECIFICATIONS
Ultra-small-lift launch vehicle
Payload to 200 km LEO
Payload to 400 km SSO
390 kg
310 kg
Payload to 700 km SSO
200 kg
Specifications
Cosmos
FIRST STAGE
Launch mass
Length
13,5 t
22 m
Diameter
1,2 m
Propellants
First stage length
oxygen and methane
13 m
Second stage length
6 m
Target launch cost
1 670 ths $
Cosmos
SPECIFICATIONS
First stage
First stage length
13 m
Cosmos
Thrust: sea level
3,03 tf
Cosmos’s first stage is equipped with one RD-3,5 engine that was built according to the open cycle. Oxygen and methane are used as propellant
SECOND STAGE
Thrust: vacuum
3,56 tf
Specific impulse: sea level
294,8 Isp
Specific impulse: vacuum
346,8 Isp
FIRST STAGE
Second stage
Second stage length
6 m
Cosmos
Cosmos’s second stage is equipped with one liquid-propellant engine RD. Oxygen and methane are used as propellant
PAYLOAD FAIRING
Thrust: vacuum
1,0 tf
Specific impulse: vacuum
348,1 Isp
SECOND STAGE
Payload fairing
SR Space works on composite materials that are used to manufacture the payload fairing
Cosmos
ENGINE
Payload fairing diameter
1,2 m
Payload fairing length
3 m
Engine
The RD-3,5 liquid-propellant rocket engine is built according to the open cycle layout. Oxygen and methane are used as propellant.
Thrust: sea level
3,03 tf
Cosmos
Thrust: vacuum
3,56 tf
The engine is designed to be reused during several missions
PAYLOAD FAIRING
Specific impulse: sea level
294,8 Isp
Specific impulse: vacuum
346,8 Isp
SR ROCKETs
Nebo
SPECIFICATIONS
Suborbital launch vehicle
Commercial single-stage suborbital launch vehicle designed for several scientific missions such as meteorological research and testing various systems at altitudes up to 120 km
Payload to 120 km LEO
20 kg
Specifications
Nebo
FIRST STAGE
Launch mass
Length
0,5 t
6,9 m
Diameter
0,45 m
Propellants
First stage length
oxygen and methane
4,3 m
Target launch cost
335 ths $
Nebo
SPECIFICATIONS
First stage
First stage length
4,3 m
Nebo
RD-1 liquid propellant rocket engine. Propellants: oxygen, methane
PAYLOAD FAIRING
Thrust: sea level
0,86 tf
Thrust: vacuum
1,02 tf
Specific impulse: sea level
294,8 Isp
Specific impulse: vacuum
346,8 Isp
FIRST STAGE
ENGINE
Payload fairing
The payload fairing is built from a composite material produced by SR Space
Nebo
Payload fairing diameter
0,45 m
Payload fairing length
1,9 m