Some Chinese solid fuel aerospace motors

In addition: Large motors with a diameter of 1.4 m and more

Norbert Brügge, Germany
 

The civilian aerospace solid rocket motor developed by China Hexi Chemical & Mechanical Company has two fundamental types according to their applicable purpose, in which SpaB (space bridge) family aerospace motors are to accomplish the transfer orbit tasks when satellites enter or leave the orbit. L-SpaB (space bridge booster) family aerospace motors are used as the booster for launching the satellite system. At present the China Hexi Chemical & Mechanical Company has some fundamental products according to the diameter.
Subsequently some of the up to now found data:
 

Motor

Motor

Diameter

 Lenght

Mass

Thrust vac

Isp vac

Propellant

Burn time

Flow rate

Total vac Imp

Designations

Use

 mm mm

tons

kN (av.)

N*s/kg

tons

s

t/s

MN*s
 FG-47  SpaB-54  CZ-2C/SD, SMA 542 852 0.160 9.8 2824 0.125 36 0.0035 0.353
   SpaB-65  KT-1 (OM) 650 1,205 0.367           0.882
 FG-14    retro FSW-0     0.246   2608 0.200     0.522
 FG-23  SpaB-68  retro FSW-1   666              
 FG-23A    retro FSW-2 680 896 0.265 30.6 2741 0.213 19 0.0112 0.582
 FG-02    CZ-1 770 ~4,000   118.0  2491 1.806 38 0.0474 4.499
   SpaB-77  PKM-77 770     60.5  2834 0.811 38  0.0214  2.298
 FG-15    AKM DFH-2 896 1,422 0.525 38.0 2824 0.450 33 0.0134 1.242
 FG-15B    AKM DFH-2A 896 1,489 0.580 40.9 2834 0.505 35 0.0144 1.432
 FG-28     896                
 FG-29     896                
 FG-36  SpaB-90  AKM FY-2 896 1,529 0.729 44.0 2834 0.650 43 0.0151 1.842
   SpaB-100   1,000 2,478 2.030           5.078
   L-SpaB-100   1,000 5,410   186.5 2383 5.560 71 0.0783  
   SpaB-140A   1,400 2,892 4.635   2854       11.368
   SpaB-140B   1,400 2,863 4.140 161.5 2854 3.565 63 0.0566 10.160
   SpaB-140C  CZ-2C/SM 1,400 2,230 2.929 104.2 2854 2.620 74 0.0354 7.477
   L-SpaB-140A   1,400 5,250   380.0   10.440      
   L-SpaB-140B   1,400 7,149   594.0   15.100      

 FG-46

  SpaB-170  CZ-2E/ EPKM 1,700 2,928 6.001 179.2 2864 5.444 87 0.0626 15.589

 

 
   
 FG-15 (AKM)		   
   
FG-36 (AKM)

SpaB-54 (FG-47; SD,  SMA)

SpaB-54

SpaB-68 (FG-23A retro)		         
SpaB-68


FG-28M2 (export)


L-SpaB-100
L-SpaB-100 (?)


SpaB-140A


SpaB-140


SpaB-140C

SpaB-170 (EPKM)


Large motors with a diameter of 1.4 m and more

  Diameter 1.40 m



L-SpaB-140A



L-SpaB-140B



Galactic Energy



 

   Diameter 2.00 m




The large motor of 2.00 m diameter and 120 tonnes of thrust......



............ with a swiveling nozzle (CZ-11)

   Diameter 2.20 m

A large motor of 2.20 m diameter for KZ-11

   Diameter 3.20 m
In August 2016, CASC announced that the Academy of Aerospace Solid Propulsion Technology (AASPT) had successfully carried out the ground test firing of a 3 m-diameter, 2-segment solid rocket motor, the largest solid rocket ever developed in China. The plan is to develop a 3.2 m-diameter, 5-segment solid rocket motor with 150 t of thrust.




    


       

3-segment motor was tested in December 2020.  It is not clear for which rocket the motor is being developed:

  Diameter 3.50 m
In 2021, AASPT presented a 3-segment motor with a diameter of 3.5 m and a length of 12.7 m. The thrust should be 500 t. Use is planned for 2024. A 5-segment motor is then developed on this basis.