Engines Delta IV

 
     
Engine RS-68

Booster

Versions

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
Delta IV-M+ GEM-60 TVC   826.9 2513 885.9 2693 29.904 90.9 0.3290 83. 5
GEM-60   851.5 2554 899.9 2699 29.904 89.7 0.3334 80.7
Delta IV-HLV RS-68 100% 2,891.4 3500 3,314.0 4012 199.65 231 0.8260 801.0
57% 1,648.1 1,889.0 19 0.4709

Stage 1

Versions

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
Delta IV-M RS-68 100% 2,891.4 3500 3,314.0 4012 199.65 232 0.8260 800.9
57% 1,648.1 1,889.0 17 0.4709
Delta IV-M+ RS-68 100% 2,891.4 3500 3,314.0 4012 199.65 228 0.8260 801.0
57% 1,648.1 1,889.0 24 0.4709
Delta IV-HLV RS-68 102% 2,949.2 3500 3,380.3 4012 199.65 56 0.8426 801.0
57% 1,648.1 1,889.0 201 0.4709
100% 2,891.4 3,314.0 70 0.8260

 


         
 RL-10B-2-1

Stage 2

Versions

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
Delta IV-S AJ-10-118K     43.7 3130 6.004 430.4 0.0139 18.8
Delta IV-M/M+ (4) RL-10B-2-1     110.1 4575 20.450 850 0.0241 93.6
Delta IV-H /M+ (5) RL-10B-2-1     110.1 4575 27.200 1,130 0.0241 124.4