Vegaspazio  / Fiat Avio (Italy)

VEGA

VEGA

Overall
Vehicle
Operational from 13.02.2012 23.06.2015
  to 11.02.2015 09.10.10.2023
Orbital flights   4 17
Payload weight t SSO 1.56 SSO 1.56
Gross liftoff weight t 136.65 136.65
Gross propellant weight t 122.67 122.67
Total length m 31.06 31.06
Max. diameter (span) m 3.025 3.025
Total liftoff thrust (s.l.) kN 2,800 2,800
Total impulse (vac) MN*s 340.5 340.5

Fairing

Total length m 7.88 7.88
Diameter m 2.60 2.60
Total weight t 0.50 0.50
Stage 4 Name   AVUM AVUM
  Length (+adapter) m 0.46 (2.04) 0.46 (2.04)
Diameter m 1.95 1.95
Liftoff weight t 1.237 1.237
Propellant weight t 0.578 0.578
Engines   RD-843 RD-868P
Propellant   UDMH/N2O4 UDMH/N2O4
Total thrust (vac) kN 2.45 2.45
Specific impulse (vac) N*s/kg 3094 3187
Burn time s 735 746
Total impulse (vac) MN*s 1.8 1.8
Stage 3 Name   Z-9 Z-9
  Length m 3.47 (4.12) 3.47 (4.12)
Diameter m 1.91 1.91
Liftoff weight t 11.80 11.80
Propellant weight t 10.567 10.567
Engines   BPD Zefiro BPD Zefiro
Propellant   solid HTPB-1912 solid HTPB-1912
Total thrust (vac) kN 256.4 (av) 256.4 (av)
Specific impulse (vac) N*s/kg 2902 2902
Burn time s 119.6 119.6
Total impulse (vac) MN*s 30.7 30.7
Stage 2

Name

  Z-23 Z-23
  Length m 7.53 (8.39) 7.53 (8.39)
Diameter m 1.91 1.91
Liftoff weight t 26.56 26.56
Propellant weight t 23.814 23.814
Engines   BPD Zefiro BPD Zefiro
Propellant   solid HTPB-1912 solid HTPB-1912
Total thrust (vac) kN 871.0 (av) 871.0 (av)
Specific impulse (vac) N*s/kg 2819 2819
Burn time s 77.1 77.1
Total impulse (vac) MN*s 67.2 67.2

Stage 1

Name   P-80FW P-80FW
  Length m 11.72 (11.20) 11.72 (11.20)
Diameter m 3.00 3.00
Liftoff weight t 95.00 95.00
Propellant weight t 87.710 87.710
Engines   MPS MPS
Propellant   solid HTPB-1912 solid HTPB-1912
Total thrust (s.l.) kN 2,034.9 (av) 2,034.9 (av)
Specific impulse (s.l.) N*s/kg 2550 2550
Burn time s 109.9 109.9
Total impulse (vac) MN*s 240.8 240.8