Long March 3C

The Long March 3C (simplified Chinese: 长征三号丙火箭; traditional Chinese: 長征三號丙火箭; pinyin: Chángzhēng Sānhào Bǐng Huǒjiàn), also known as the Changzheng 3C, CZ-3C and LM-3C, is a Chinese orbital carrier rocket. It is launched from Launch Complex 2 and 3 at the Xichang Satellite Launch Center. A 3-stage rocket with two strapon liquid rocket boosters, it is a member of the Long March 3 rocket family, and was derived from the Long March 3B. It was designed to fill a gap in payload capacities between the Long March 3A and 3B.

Long March 3C
Schematic of Long March 3C
FunctionCarrier rocket
ManufacturerCALT
Country of originChina
Size
Height54.8 metres (180 ft) [1]
Diameter3.35 metres (11.0 ft) [1]
Mass345,000 kilograms (761,000 lb) [1]
Stages3
Capacity
Payload to GTO3C: 3,800 kilograms (8,400 lb) [2][3]
3C/E: 3,900 kilograms (8,600 lb)
Payload to HCO2,400 kilograms (5,300 lb) [2][3]
Associated rockets
FamilyLong March
Launch history
StatusActive
Launch sitesLA-2 and LA-3, XSLC
Total launches17
Successes17
First flight25 April 2008
Boosters (3C)
No. boosters2
Length15.33 m (50.3 ft)
Diameter2.25 m (7 ft 5 in)
Propellant mass37,700 kg (83,100 lb)
Engines1 YF-25
Thrust740.4 kN (166,400 lbf)
Specific impulse2,556.2 m/s (260.66 s)
Burn time127 seconds
FuelN2O4 / UDMH
Boosters (3C/E)
No. boosters2
Length16.1 m (53 ft)
Diameter2.25 m (7 ft 5 in)
Propellant mass41,100 kg (90,600 lb)
Engines1 YF-25
Thrust740.4 kN (166,400 lbf)
Specific impulse2,556.2 m/s (260.66 s)
Burn time140 seconds
FuelN2O4 / UDMH
First stage (3C)
Length23.27 m (76.3 ft)
Diameter3.35 m (11.0 ft)
Propellant mass171,800 kg (378,800 lb)
Engines4 YF-21C
Thrust2,961.6 kN (665,800 lbf)
Specific impulse2,556.5 m/s (260.69 s)
Burn time145 seconds
FuelN2O4 / UDMH
First stage (3C/E)
Length24.76 m (81.2 ft)
Diameter3.35 m (11.0 ft)
Propellant mass186,200 kg (410,500 lb)
Engines4 YF-21C
Thrust2,961.6 kN (665,800 lbf)
Specific impulse2,556.5 m/s (260.69 s)
Burn time158 seconds
FuelN2O4 / UDMH
Second stage
Length12.92 m (42.4 ft)
Diameter3.35 m (11.0 ft)
Propellant mass49,400 kg (108,900 lb)
Engines1 YF-24E (YF-22E (Main)
4 x YF-23C (Vernier))
Thrust742 kN (167,000 lbf) (Main)
47.1 kN (10,600 lbf) (Vernier)
Specific impulse2,922.57 m/s (298.019 s) (Main)
2,910.5 m/s (296.79 s) (Vernier)
Burn time185 seconds
FuelN2O4 / UDMH
Third stage
Length12.38 m (40.6 ft)
Diameter3.0 m (9.8 ft)
Propellant mass18,200 kg (40,100 lb)
Engines1 YF-75
Thrust167.17 kN (37,580 lbf)
Specific impulse4,295 m/s (438.0 s)
Burn time478 seconds
FuelLH2 / LOX

Launches

It made its maiden flight on 25 April 2008, at 15:35 UTC. The payload for the first launch was the Tianlian-1 data relay communications satellite. The second carried the Compass-G2 navigation satellite and was conducted on 14 April 2009. The third launch was made on 16 January 2010, with the Compass-G1 satellite. The fourth carrying the Compass-G3 navigation satellite was launched on 2 June 2010. On 1 October 2010, it successfully launched China's second lunar probe, Chang'e 2.

An enhanced version of the Long March 3C rocket debuted during the launch of Chang'e 5-T1 on 23 October 2014.[4] On 30 March 2015, the Yuanzheng-1 upper stage was used on top of a Long March 3C rocket for the first time.[5]

List of launches
Main article: List of Long March launches
Flight number Date (UTC) Launch site Version Payload Orbit Result
1 April 25, 2008
15:35		 LA-2, XSLC 3C Tianlian I-01 GTO Success
2 April 14, 2009
16:16		 LA-2, XSLC 3C Compass-G2 GTO Success
3 January 16, 2010
16:12		 LA-2, XSLC 3C Compass-G1 GTO Success
4 June 2, 2010
15:53		 LA-2, XSLC 3C Compass-G3 GTO Success
5 October 1, 2010
10:59		 LA-2, XSLC 3C Chang'e 2 LTO Success
6 October 31, 2010
16:26		 LA-2, XSLC 3C Compass-G4 GTO Success
7 July 11, 2011
15:41		 LA-2, XSLC 3C Tianlian I-02 GTO Success
8 February 24, 2012
16:12		 LA-2, XSLC 3C Compass-G5 GTO Success
9 July 25, 2012
15:43		 LA-2, XSLC 3C Tianlian I-03 GTO Success
10 October 25, 2012
15:33		 LA-2, XSLC 3C Compass-G6 GTO Success
11 October 23, 2014
18:00		 LA-2, XSLC 3C/E Chang'e 5-T1 LTO Success
12 March 30, 2015
13:52		 LA-2, XSLC 3C/YZ-1 BDS I1-S GSO Success
13 February 1, 2016
07:29		 LA-2, XSLC 3C/YZ-1 BDS M3-S MEO Success
14 June 12, 2016
15:30		 LA-3, XSLC 3C/E Compass-G7 GTO Success
15 November 22, 2016
15:24		 LA-2, XSLC 3C/E Tianlian I-04 GTO Success
16 December 24, 2018
16:53		 LA-3, XSLC 3C/E TJSW-3 GTO Success
17 May 17, 2019
15:48		 LA-2, XSLC 3C/E Compass-G8 GTO Success
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References
  1. Mark Wade. "CZ-3C". Encyclopedia Astronautica. Archived from the original on 1 June 2008. Retrieved 26 April 2008.
  2. "LM-3A Series Launch Vehicle User's Manual - Issue 2011" (PDF). China Great Wall Industries Corporation. Retrieved 9 August 2015.
  3. Gunter Krebs. "CZ-3C (Chang Zheng-3C)". Gunter's Space Page. Retrieved 26 April 2008.
  4. Barbosa, Rui C. (23 October 2014). "China launches lunar sample return test mission". NASASpaceflight.com. Retrieved 10 August 2015.
  5. Barbosa, Rui C. (30 March 2015). "Long March 3C in secretive launch with new Upper Stage". NASASpaceflight.com. Retrieved 10 August 2015.


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