Delta-K

**Delta-K**
Manufacturer	United Launch Alliance; (formerly Boeing and McDonnell Douglas)
Country of origin	United States
Used on	Delta 4000; Delta 5000; Delta II
General Characteristics
Height	5.9 metres (19 ft)
Diameter	2.4 metres (7.9 ft)
Mass	6,954 kilograms (15,330 lb)
Engine details
Engines	1 AJ-10-118K
Thrust	43.63 kilonewtons (9,810 lbf)
Specific impulse	319 sec
Burn time	431 seconds
Fuel	Aerozine 50/N2O4

Spent Delta-K stage, photographed in orbit

The Delta-K is an American rocket stage, used^[when?] as the second stage of several variants^[which?] of the Delta rocket. As of 25 May 2008, 138 have been launched,^{[citation needed]} and excluding one which was destroyed by the explosion of a lower stage, none have failed.^{[citation needed]} It is propelled by a single AJ-10-118K rocket engine, fueled by Aerozine 50 and dinitrogen tetroxide,^[1] which are hypergolic.

The Delta-K is still in use, currently as the second stage of the Delta II rocket.^{[citation needed]}

This rocketry article is a stub. You can help Wikipedia by expanding it.

References [edit]

^ ^a ^b ^c ^d ^e ^f ^g Delta K, Encyclopedia Astronautica, date unknown, accessed 2011-02-01.

General Characteristics
Manufacturer	United Launch Alliance (formerly Boeing and McDonnell Douglas)
Country of origin	United States
Used on	Delta 4000 Delta 5000 Delta II
Height	5.9 metres (19 ft)^[1]
Diameter	2.4 metres (7.9 ft)^[1]
Mass	6,954 kilograms (15,330 lb)^[1]
Engine details
Engines	1 AJ-10-118K
Thrust	43.63 kilonewtons (9,810 lbf)^[1]
Specific impulse	319 sec^[1]
Burn time	431 seconds^[1]
Fuel	Aerozine 50/N2O4