Delta A through N

Country of Origin: United States
Manufacturer: Douglas

Height:
Diameter: 2.44 m core, 0.79 m boosters
Payload to LEO:
Total Mass:

Launch Sites: Cape Canaveral, Vandenberg
First Flight: October 2, 1962
Last Flight: March 12, 1972
Total Launches:
Successful Launches:

Delta A

Stage	Diameter	Propellant	Engine	Time	Thrust (Vac.)	ISP (SL/Vac.)
1 (Thor)	2.44 m	RP-1 / LOX	MB-3-II	153.8 s	734.0 kN	250 / 285 s
2 (Delta)		UDMH / WFNA	AJ-10-118	125 s	33.4 kN	? / 270 s
3 (opt.) (Altair IA)		Solid	X-248	42.6 s	13.8 kN	? / 283.9 s

Delta B

Stage	Diameter	Propellant	Engine	Time	Thrust (Vac.)	ISP (SL/Vac.)
1 (Thor)	2.44 m	RP-1 / LOX	MB-3-II	153.8 s	734.0 kN	250 / 285 s
2 (Delta)		UDMH / IRFNA	AJ-10-118D	169.7 s	33.7 kN	? / 272 s
3 (opt.) (Altair IA)		Solid	X-248	42.6 s	13.8 kN	? / 283.9 s

Delta C

Stage	Diameter	Propellant	Engine	Time	Thrust (Vac.)	ISP (SL/Vac.)
1 (Thor)	2.44 m	RP-1 / LOX	MB-3-II	153.8 s	734.0 kN	250 / 285 s
2 (Delta)		UDMH / IRFNA	AJ-10-118D	169.7 s	33.7 kN	? / 272 s
3 (opt.) (Altair IIA)		Solid	X-258	26.4 s	24.8 kN	? / 283.9 s

Delta D

Stage	Diameter	Propellant	Engine	Time	Thrust (Vac.)	ISP (SL/Vac.)
Boosters	0.79 m	Solid	3 x Castor 1	27 s	3 x 236 kN
1 (Thor)	2.44 m	RP-1 / LOX	MB-3-III	149.3 s	760.6 kN	250 / 285 s
2 (Delta)		UDMH / IRFNA	AJ-10-118D	170 s	33.7 kN	? / 272 s
3 (opt.) (Altair IIA)		Solid	X-258	26.4 s	24.8 kN	? / 283.9 s

Delta E

Stage	Diameter	Propellant	Engine	Time	Thrust (Vac.)	ISP (SL/Vac.)
Boosters	0.79 m	Solid	3 x Castor I	37 s	3 x 259 kN	? / 262 s
1 (Thor)	2.44 m	RP-1 / LOX	MB-3-III	149.3 s	760.6 kN	250 / 285 s
2 (Delta)		UDMH / IRFNA	AJ-10-118E	377 s	35.2 kN	? / 277.9 s
3 (opt.) (Altair IIA)		Solid	X-258	26.4 s	24.8 kN	? / 283.9 s

Delta G

Stage	Diameter	Propellant	Engine	Time	Thrust (Vac.)	ISP (SL/Vac.)
Boosters	0.79 m	Solid	3 x Castor I	37 s	3 x 259 kN	? / 262 s
1 (Thor)	2.44 m	RP-1 / LOX	MB-3-III	149.3 s	760.6 kN	250 / 285 s
2 (Delta)		UDMH / IRFNA	AJ-10-118E	377 s	35.2 kN	? / 277.9 s

Delta J

Stage	Diameter	Propellant	Engine	Time	Thrust (Vac.)	ISP (SL/Vac.)	Mass/Empty Mass
Boosters	0.79 m	Solid	3 x Castor I	37 s	3 x 259 kN	? / 262 s
1 (Thor)	2.44 m	RP-1 / LOX	MB-3-III	149.3 s	760.6 kN	250 / 285 s
2 (Delta)		UDMH / IRFNA	AJ-10-118E	377 s	35.2 kN	? / 277.9 s
3 (Star 37D)	0.93 m	Solid	Star 37D	44.0	42.3 kN	? / 290 s	0.718 / 0.065 tons

Delta L

Stage	Diameter	Propellant	Engine	Time	Thrust (Vac.)	ISP (SL/Vac.)
Boosters	0.79 m	Solid	3 x Castor 2	40 s	3 x 259 kN	? / 262 s
1 (Thor)	2.44 m	RP-1 / LOX	MB-3-III	217.0 s	760.6 kN	250 / 285 s
2 (Delta)		UDMH / IRFNA	AJ-10-118E	377 s	35.2 kN	? / 277.9 s
3 (Altair III)		Solid	FW-4D	29.2	26.4 kN	? / 285.9 a

Delta M

Stage	Diameter	Propellant	Engine	Time	Thrust (Vac.)	ISP (SL/Vac.)	Mass/Empty Mass
Boosters	0.79 m	Solid	3 x Castor 2	40 s	3 x 259 kN	? / 262 s
1 (Thor)	2.44 m	RP-1 / LOX	MB-3-III	217.0 s	760.6 kN	250 / 285 s
2 (Delta)		UDMH / IRFNA	AJ-10-118E	377 s	35.2 kN	? / 277.9 s
3 (Star 37D)	0.93 m	Solid	Star 37D	44.0 s	42.3 kN	? / 290 s	0.718 / 0.065 tons

Delta M/N Super Six

Stage	Diameter	Propellant	Engine	Time	Thrust (Vac.)	ISP (SL/Vac.)
Boosters	0.79 m	Solid	6 x Castor 2	40 s	6 x 259 kN	? / 262 s
1 (Thor)	2.44 m	RP-1 / LOX	MB-3-III	217.0 s	760.6 kN	250 / 285 s
2 (Delta)		UDMH / IRFNA	AJ-10-118E	377 s	35.2 kN	? / 277.9 s