Europropulsion / AVIO' solid fuel motors for VEGA rockets

 

Designation

Zefiro-9 Zefiro-23 Zefiro-40 Zefiro-40C P-80 P-100 P-120 P-120C

Manufacturer

AVIO

Europropulsion

Use for

VEGA VEGA VEGA-E VEGA-C; VEGA-E VEGA VEGA-E VEGA-C VEGA-C; VEGA-E

Overall length (m)

3.70 6.80 9.50 8.00 9.60 11.70 13.20 14.00

Diameter (m)

1.91 1.91 1.91 2.36 3.00 3.00 3.00 3.40

Mass (t)

  26.56   39.27 95.02     147.00

Propellant

HTPB-1912 HTPB-1912 HTPB HTPB HTPB-1912 HTPB HTPB HTPB-2013

Mass of propellant (t)

10.567 23.814 ~36 36.00 87.71 ~100 ~120 135.60

S.L. Thrust (kN)

max

- - - - 2,799.5 ? ? 3,951.0

average

- - - - 2,034.9 ? ? 2,579.0

Vac Thrust (kN)

max

317.0 1,120.0 ? 1,300.0 3,015.0 ? ? 4,250.0

average

256.4 871.0 ? 1,120.0 2,191.4 ? ? 2,774.0

S.L. Isp (Ns*kg.)

- - - - 2550     2530

Vac Isp (Ns*kg)

2902 2819 ? 2878 2746     2721

Burn time (sec)

 119.6 77.1 ? 92.5 109.8     133

Average Combustion (tons/sec)

0.0884 0.3089 ? 0.3891 0.7981     1.0194

Vac Total Impulse (MN*sec)

30.671 67.152 ? 103.60 240.47 ? ? 368.9

 

Dimensions

 

Thrust path diagram