CZ-5
Long March 5 first flight waiting at launchpad
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| Function | heavy orbital launch vehicle |
|---|---|
| Manufacturer | CALT |
| Country of origin | China |
| Size | |
| Height | 57 m (187 ft) |
| Diameter | 5 m (16 ft) |
| Mass | 879,000 kg (1,938,000 lb) |
| Stages | 2 |
| Capacity | |
| Payload to LEO (200km x 400km x 42°) | 25,000 kg (55,000 lb) |
| Payload to GTO | 14,000 kg (31,000 lb) |
| Payload to TLI | 8,000 kg (18,000 lb) |
| Associated rockets | |
| Family | Long March |
| Comparable | Delta IV Heavy, Ariane 5, Proton-M |
| Launch history | |
| Status | Active |
| Launch sites | Wenchang LC-1 |
| Total launches | 1 |
| Successes | 1 |
| First flight | November 3, 2016 |
| Boosters - CZ-5-300 | |
| No. boosters | 4 |
| Length | 27.6 m (91 ft) |
| Diameter | 3.35 m (11.0 ft) |
| Gross mass | 155,700 kg (343,300 lb) |
| Propellant mass | 144,000 kg (317,000 lb) |
| Engines | 2 x YF-100 |
| Thrust |
SL: 2,400 kN (540,000 lbf) Vac: 2,680 kN (600,000 lbf) |
| Total thrust | 9,600 kN (2,200,000 lbf) |
| Specific impulse |
SL: 300 seconds (2.9 km/s) Vac: 335 seconds (3.29 km/s) |
| Burn time | 180 seconds |
| Fuel | RP-1/LOX |
| First stage - CZ-5-500 | |
| Length | 31.7 m (104 ft) |
| Diameter | 5 m (16 ft) |
| Gross mass | 175,600 kg (387,100 lb) |
| Propellant mass | 158,300 kg (349,000 lb) |
| Engines | 2 x YF-77 |
| Thrust |
SL: 1,020 kN (230,000 lbf) Vac: 1,400 kN (310,000 lbf) |
| Specific impulse |
SL: 310.2 seconds (3.042 km/s) Vac: 430 seconds (4.2 km/s) |
| Burn time | 480 seconds |
| Fuel | LH/LOX |
| Second stage - CZ-5-HO | |
| Length | 10.6 m (35 ft) |
| Diameter | 5 m (16 ft) |
| Gross mass | 22,200 kg (48,900 lb) |
| Propellant mass | 17,100 kg (37,700 lb) |
| Engines | 2 x YF-75D |
| Thrust | 176.52 kN (39,680 lbf)88.26 |
| Specific impulse | 442 seconds (4.33 km/s) |
| Burn time | 700 seconds |
| Fuel | LH/LOX |
| Upper stage - YZ-2 | |
| Diameter | 3.8 m (12 ft) |
| Engines | 2 x YF-50D |
| Thrust | 6.5 kN (1,500 lbf) |
| Specific impulse | 316 seconds (3.10 km/s) |
| Burn time | 1105 seconds |
| Fuel | N2O4/UDMH |
Long March 5 (LM-5, CZ-5, or Changzheng 5) is a Chinese heavy lift launch system developed by China Academy of Launch Vehicle Technology (CALT). CZ-5 is the first Chinese vehicle with new design focusing on liquid rocket propellants from the ground up. Currently, two CZ-5 vehicle configurations are planned for different missions, with a maximum payload capacity of ~25,000 kilograms (55,000 lb) to LEO and ~14,000 kilograms (31,000 lb) to GTO.
The Long March 5 is planned to roughly match the capabilities of American EELV heavy-class vehicles such as the Delta IV Heavy.
The CZ-5's maiden launch occurred on November 3, 2016 at 12:43 UTC, from the Wenchang Spacecraft Launch Center on Hainan island. The launch was successful.
"The Chinese government approved the development of the rocket in 2007 following two decades of feasibility study. It will be manufactured at a facility in Tianjin, a coastal city near Beijing."
As of 2008[update], the first launch of the Long March 5 was projected to "most likely" happen in Wenchang of the southernmost island province of Hainan, "where a new satellite launch center is under construction."
The first CZ-5 rocket to be launched completed production and testing in Tianjin manufacturing facility around August 16, 2016. It is to be shipped to launch centre on Hainan island within weeks.
The Chief Designer for the CZ-5 rocket was Long Lehao. The main objective for the CZ-5 rocket was to fulfill China's requirement for large payload to LEO and GTO missions for the next 20–30 years. The CZ-5 project was initially announced in February 2001, with initial development slated to begin in 2002 and the first versions of the vehicle to go into service by 2008. However, funding was only finally granted in 2007 as revealed by the developers during the Northeast China exhibition.
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Wikipedia