Saturn-I, Propulsion

Propulsion Saturn I & IB

H-1 inboard engine	RL-10A-3S
H-1 outboard engine

Saturn I (Block 1)

Stage	Engines	Sequence	Thrust s.l.	Isp s.l.	Thrust vac	Isp vac	Propellant	Burn time	Flow rate	Total Imp
Stage	Engines	-	kN	N*s/kg	kN	N*s/kg	tons	s	t/s	MN*s
1	H-1 (8)	1	5,871.7	2456	6,654.6	2783	264.23	110.5	2.3912	770.3
1	H-1 (4)	2			3,327.3	2783	12.55	10.5	1.1955	770.3

Saturn I (Block 2)

Stage	Engines	Sequence	Thrust s.l.	Isp s.l.	Thrust vac	Isp vac	Propellant	Burn time	Flow rate	Total Imp
Stage	Engines	-	kN	N*s/kg	kN	N*s/kg	tons	s	t/s	MN*s
1	H-1 (8)	1	6,690.2	2525	7,473.1	2821	373.56	141	2.6490	1,076.1
1	H-1 (4)	2			3,736.5	2821	7.95	6	1.3245	1,076.1
2	RL-10A-3S (6)				400.3	4197	45.36	475.6	0.9538	190.4

Engine J-2

Saturn IB (Skylab)

Stage	Engines	Sequence	Thrust s.l.	Isp s.l.	Thrust vac	Isp vac	Propellant	Burn time	Flow rate	Total Imp
Stage	Engines	-	kN	N*s/kg	kN	N*s/kg	tons	s	t/s	MN*s
1	H-1 (8)	1	7,117.2	2574	8,297.6	3001	389.86	141	2.7650	1,209.6
1	H-1 (4)	2			3,967.9	3001	13.82	10	1.3825	1,209.6
2	J-2	1			889.7	4187	1.06	5	0.2125	447.3
	J-2	2			1,000.9	4168	70.08	292	0.2401
	J-2	3			822.9	4217	35.69	183	0.1952