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astronautix.com CZ-2C/SD


Family: Long March. Country: China. Status: Hardware. Other Designations: Long March 2C.

On April 28, 1993, the Chinese Great Wall Industrial Corporation and Motorola signed a launch services contract for multiple launch of Iridium communications satellites using CZ-2C/SD launch vehicles. The main differences between the CZ-2C and the CZ-2C/SD were: a modified fairing with a diameter of 3.35m; a newly developed Smart Dispenser; improved second stage fuel and oxidizer tanks; and second stage engines with higher expansion ratio nozzles. The Smart Dispenser included a solid rocket kick motor for insertion of the Iridium satellites into a 780 km circular orbit. Each CZ-2C/SD had the capacity of delivering two Iridium system satellites. A successful CZ-2C/SD demonstration launch was conducted from Taiyuan on September 1, 1997. The first three deployment launches for the Iridium program were successfully conducted on December 8, 1997, March 26, 1998 and May 2, 1998.


Specifications

Payload: 1,400 kg. to a: 780 km, 86 deg inclination orbital trajectory. Liftoff Thrust: 302,000 kgf. Total Mass: 213,000 kg. Core Diameter: 3.4 m. Total Length: 40.4 m. Launch Price $: 25.00 million. in 1999 price dollars.


CZ-2C/SD Chronology


1997 Sep 1 - - 14:00 GMT. LV Configuration: Chang Zheng 2C-III/SD s/n CZ2C-15. Launch Site: Taiyuan .
1997 Dec 8 - - 07:16 GMT. LV Configuration: Chang Zheng 2C-III/SD s/n CZ2C-16. Launch Site: Taiyuan .
1998 Mar 25 - - 17:01 GMT. LV Configuration: Chang Zheng 2C-III/SD no. 17. Launch Site: Taiyuan .
1998 May 2 - - 09:16 GMT. LV Configuration: Chang Zheng 2C-III/SD no. 18. Launch Site: Taiyuan .
1998 Aug 19 - - 23:01 GMT. LV Configuration: Chang Zheng 2C-III/SD no. 19. Launch Site: Taiyuan .
1998 Dec 19 - - 11:30 GMT. LV Configuration: Chang Zheng 2C-III/SD no. 20. Launch Site: Taiyuan .
1999 Jun 11 - - 17:15 GMT. LV Configuration: CZ-2C/SD s/n CZ2C-21. Launch Site: Taiyuan . Launch Complex: LC1.

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