IHI Aerospace Co. Ltd. / ISAS ----> JAXA

 M-3SI M-3SII M-V -I M-V -II
Overall
Vehicle		 Operational from 17.02.1980 07.01.1985 12.02.1997 09.05.2003
  to 14.02.1984 15.01.1995 10.02.2000 22.09.2006
Orbital flights   4 8 3 4
Payload weight t M-3SI-1 0.185 M-3SII-1 0.138 GTO 1.215 GTO 1.280
Gross liftoff weight t 48.65 64.64 132.90 137.20
Gross propellant weight t  38.09 49.34 114.58 118.42
Total length m 23.80 27.78 30.80 30.80
Max. diameter (span) m        
Total liftoff thrust (s.l.) kN 1,890.9 1,741.5 3,386.5 3,386.5
Total impulse (vac) MN*s 99.9 129.6 315.0 326.5

Fairing

 Total length m 4.00 6.85 9.19 9.19
Diameter m 1.41 1.63 2.50 2.50
Total weight t 0.30 0.52  0.70 0.70
Stage 4 Name     Nissan KM-P Nissan KM-V1 Nissan KM-V2a
  Length m     1.50 1.50
Diameter m   1.20 1.20
Liftoff weight t 0.653 1.430 3.000
Propellant weight t 0.606 1.312 2.500
Engines        
Propellant   solid HTPB solid HTPB solid HTPB
Total thrust (vac) kN   52.0 81.3
Specific impulse (vac) N*s/kg   2922 2922
Burn time s   73.6 90
Total impulse (vac) MN*s   3.8 7.3
Stage 3

Name

   Nissan M-3A Nissan M-3B Nissan M-34a TVC Nissan M-34b TVC
  Length m 2.04 3.06 (2.66) 2.97 3.61/4.29
Diameter m 1.41 (1.14) 1.62 (1.50) 2.50 (2.16) 2.50 (2.21)
Liftoff weight t 1.426 4.209 10.80 11.60
Propellant weight t 1.084 3.298 10.03 10.80
Engines          
Propellant   solid solid solid BP-205J solid BP-205J
Total thrust (vac) kN 56.9 132.0 294.2 (av) 294.2 (av)
Specific impulse (vac) N*s/kg 2785 2874 2942 2942
Burn time s 53.1 71.9 100.3 108
Total impulse (vac) MN*s 3.0 9.5 29.5 31.8

Stage 2

 Name   Nissan M-22 TVC Nissan M-23 TVC Nissan M-24 TVC Nissan M-25 TVC
  Length m 4.89 6.27 7.88 (6.80) 7.88 (6.61)
Diameter m 1.41 1.60 2.50 2.50
Liftoff weight t 11.043 17.267 34.47 36.35
Propellant weight t 7.201 10.317 31.06 32.94
Engines          
Propellant   solid solid solid BP-204J solid BP-208J
Total thrust (vac) kN 324.6 524.6 1,239.0 (av) 1,243.3 (av)
Specific impulse (vac) N*s/kg 2716 2765 2824 2834
Burn time s 60.2 54.4 70.8 74.9
Total impulse (vac) MN*s 19.6 28.5 87.7 93.4

Stage 1

 Name   Nissan M-13 TVC Nissan M-13 TVC Nissan M-14 TVC Nissan M-14 TVC
  Length m 14.91 14.66  13.73  13.73
Diameter m 1.41 1.41 2.50 2.50
Liftoff weight t 31.60 31.60 84.26 84.26
Propellant weight t 27.064 27.098 72.18 72.18
Engines          
Propellant   solid solid solid BP-204J solid BP-204J
Total thrust (s.l.) kN 1,134.3 1,134.3 3,386.5 3,386.5
Specific impulse (s.l.) N*s/kg 2344 2344 2393 2393
Burn time s 55.9 56.0 51 51
Total impulse (vac) MN*s 70.6 70.7 194.0 194.0

Booster

 Name   8 SB-310 2 SB-735 TVC    
  Length m 5.79 9.14    
Diameter m 0.31 0.74
Liftoff weight t 4.119 10.248
Propellant weight t 2.741 8.023
Engines      
Propellant   solid solid
Total thrust (s.l.) kN 756.6 607.2
Specific impulse (s.l.) N*s/kg 2148 2344
Burn time s 7.8 31.0
Total impulse (vac) MN*s 6.7 20.9