Engines Delta III

 
  RS-27A     RL-10B-2-1

 

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
Booster GEM-46 ground-lit 537.7 2377 608.1 2688 17.010 75.2 0.2262 45.7
air-lit 579.3 2561 628.5 2779 47.4
1 RS-27A 914.8 2493 1,085.8 2959 95.550 257.2 0.3670 282.1

2 Verniers LR-101

8.9 1952 11.1 2442     0.0046  
2 RL-10B-2-1     110.1 4535 16.602 684 0.0243 75.3