Engines Athena


      
                                                              Castor 120



Orion 38

LLV-1

Stage

Engines

Thrust s.l.

Isp s.l.

Thrust vac

Isp vac

Propellant

Burn time

Flow rate

Total Imp.
 - - kN N*s/kg kN N*s/kg tons s t/s MN*s
1 TU-902 1,286.4 2246 1,443.7 2520 45.820 80 0.5728 115.5
2 ORBUS-21D     194.5 2883 9.76 145 0.0675 28.1
 3 O.A.M     0.89 2206 0.354 890 0.0004 0.78

Athena I (LMLV-1)

Stage

Engines

Thrust s.l.

Isp s.l.

Thrust vac

Isp vac

Propellant

Burn time

Flow rate

Total Imp.
 - - kN N*s/kg kN N*s/kg tons s t/s MN*s
1 Castor 120 1,483.7 2481 1,650.3 2759 49.024 82 0.5980 135.3
2 ORBUS-21D     194.5 2883 9.76 145 0.0675 28.1
3 O.A.M     0.89 2206 0.354 890 0.0004 0.78
4 Orion 38     31.60 2840 0.771 69.6 0.0111 2.2

Athena II

Stage

Engines

Thrust s.l.

Isp s.l.

Thrust vac

Isp vac

Propellant

Burn time

Flow rate

Total Imp.
 - - kN N*s/kg kN N*s/kg tons s t/s MN*s
1 Castor 120 1,483.7 2481 1,650.3 2759 49.024 83 0.5980 135.3
2 Castor 120     1,650.3 2759 48.596 81.2 0.5980 134.1
3 ORBUS-21G     194.5 2883 9.76 145 0.0675 28.1
4 O.A.M.     0.89 2206 0.354 890 0.0004 0.78
5
or		 Orion 38     31.60 2840 0.771 69.6 0.0111 2.2
Star 37FM     47.26 2842 1.066 64.6 0.0166 3.0