Delta 2000

Delta 2000 series
Launch history
Launch of IUE on a Delta 2914 J-8
Function	Expendable launch system
Country of origin	United States
Status	Retired
Launch sites	Canaveral LC-17 Vandenberg SLC-2W
Total launches	44
Successes	43
Failures	1
First flight	19 January 1974
Last flight	6 October 1981

The Delta 2000 series was an American expendable launch system which was used to conduct forty-four orbital launches between 1974 and 1981. It was a member of the Delta family of rockets. Several variants existed, which were differentiated by a four digit numerical code.
The Delta 1000, 2000 and 3000 series used surplus NASA Apollo program rockets engines for its first and second stages.

The first stage was an Extended Long Tank Thor, re-engined with the Rocketdyne RS-27 replacing the earlier MB-3-III engine. The RS-27 engine was a rebranded H-1 engine used in the Saturn 1B with minor changes. Three or nine Castor-2 solid rocket boosters were attached to increase thrust at lift-off. The Delta-P second stage used the TRW TR-201 engine. The TR-201 engine was a Lunar Module Descent Engine reconfigured for fixed thrust output. Launches which required a three-stage configuration in order to reach higher orbits used the Thiokol Star-37D or 37E upper stage as an apogee kick motor.

Delta 2000 launches occurred from Space Launch Complex 2W at Vandenberg AFB and both pads of Launch Complex 17 at Cape Canaveral. Forty-three out of forty-four launches were successful. The single failure being the maiden flight (19 January 1974), which placed Skynet 2A into a useless orbit. A short circuit in an electronics package circuit board (on second stage) left the upper stages and satellite in an unstable low orbit (96 x 3,406 km x 37.6 deg) that rapidly decayed. An investigation revealed that a substandard coating had been used on the circuit board.^[1]

References

↑ Kyle, Ed (9 April 2010). "Delta 2000 series - Extended Long Tank Delta". Space Launch Report. Retrieved 7 June 2012.

Wade, Mark. "Delta". Encyclopedia Astronautica. Retrieved 2009-02-15.
Krebs, Gunter. "Thor family". Gunter's Space Page. Retrieved 2009-02-15.

Orbital launch systems
See also: Comparison of orbital launch systems
Current	Angara A5 Antares 230 Ariane 5 Atlas V Delta II IV Electron Epsilon Falcon 9 v1.2 "Full Thrust" GSLV Mk II Mk III H-IIA H-IIB Kuaizhou Long March 2C 2D 2F 3A 3B 3C 4B 4C 5 6 7 11 Minotaur I IV V C Pegasus Proton-M PSLV Rokot Safir Shavit Simorgh Soyuz-FG Soyuz-2 2.1a / STA 2.1b / STB 2-1v SPARK SS-520 Strela Unha Vega Zenit 3SL 3SLB 3F
In development	Angara 1.2 A5P Antares 300 Ariane 6 Cyclone-4M Eris Falcon 9 Block 5 Falcon Heavy H3 ITS KZ-11 KZ-21 Long March 8 9 LauncherOne Mayak Naga-L Naro-2 New Glenn Oril Proton Light Medium RPS SLS Soyuz-5 Sunkar Tronador II ULV Vector-R VLM VLS Alfa VLS Beta Vulcan
Retired	Antares 110/120/130 Ariane 1 2 3 4 ASLV Athena I II Atlas B D E/F G H I II III LV-3B SLV-3 Able Agena Centaur Black Arrow Conestoga Delta A B C D E G J L M N 0100 1000 2000 3000 4000 5000 III Diamant Dnepr Energia Europa Falcon 1 Falcon 9 v1.0 v1.1 Feng Bao 1 GSLV Mk I H-I H-II Juno I Juno II Kaituozhe-1 Kosmos 1 2I 3 3M Lambda 4S Long March 1 2A 2E 3 4A Mu 4S 3C 3H 3S 3SII V N1 N-I N-II Naro-1 Paektusan Pilot Proton UR-500 K R-7 Luna Molniya M L Polyot Soyuz original L M U U2 Soyuz/Vostok Sputnik Voskhod Vostok L K 2 2M R-29 Shtil' Volna Saturn I IB V INT-21 Scout SLV Space Shuttle Sparta Start-1 Thor Able Ablestar Agena Burner Delta DSV-2U Thorad-Agena Titan II GLV IIIA IIIB IIIC IIID IIIE 34D 23G CT-3 IV Tsyklon 2 3 4 Vanguard VLS-1 Zenit 2 2M

United States orbital launch systems
Active	Antares Atlas V Delta II IV Heavy Falcon 9 v1.2 "Full Thrust" Minotaur I IV V C Pegasus SPARK
In development	Falcon 9 Block 5 Falcon Heavy ITS New Glenn SLS Vulcan
Retired	Ares I V Athena I II Atlas B D E/F G H I II III LV-3B SLV-3 Able Agena Centaur Conestoga Delta A B C D E G J L M N 0100 1000 2000 3000 4000 5000 III Falcon 1 Falcon 9 v1.0 v1.1 H-I* Juno I Juno II N-I* N-II* Pilot Saturn I IB V INT-21 Scout Shuttle Sparta Thor Able Ablestar Agena Burner Delta DSV-2U Thorad-Agena Titan II GLV IIIA IIIB IIIC IIID IIIE 34D 23G CT-3 IV Vanguard
* - Japanese projects using US rockets or stages

Thor and Delta rockets

Rockets

Thor

Delta

Alphabetical	Delta A Delta B Delta C Delta D Delta E Delta F Delta G Delta J Delta L Delta M Delta N
Numerical	Delta 0100 Delta 1000 Delta 2000 Delta 3000 Delta 4000 Delta 5000 Delta 6000 Delta 7000 Delta 8000 Delta 9000
Modern	Delta II Delta III Delta IV Delta IV Heavy

Export

Launch sites

Canaveral	(S)LC-17 LC-18B SLC-37B
Johnston	LE-1 LE-2
Tanegashima	Osaki
Vandenberg	SLC-1 SLC-2 SLC-3 SLC-6 SLC-10
Bases	Bardney Breighton Caistor Carnaby Catfoss Coleby Grange Driffield Feltwell Folkingham Full Sutton Harrington Hemswell Ludford Magna Melton Mowbray Mepal North Luffenham North Pickenham Polebrook Shepherds Grove Tuddenham

Components

Boosters

First stages

Common Booster Core

Upper Stages

Delta	Delta-A Delta-D Delta-E Delta-F Delta-K Delta-P DCSS
Other	Able Ablestar Agena Altair Burner FW-4D IABS PAM-D Star UM-129

Engines

Manufacturers

Rocket	Douglas McDonnell Douglas Boeing United Launch Alliance
Engines	Aerojet Alliant Rocketdyne Thiokol TRW

Launches

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