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CZ-11 Space Launch Vehicle

Development unitChina Academy of Launch Vehicle Technology
First flight timeSeptember 25, 2015
Rocket stages four
PropellantHydroxyl-terminated polybutadiene ( HTPB ) composite solid propellant
Rocket length/m20.8
Fairing diameter/m1.6/2.0
Maximum diameter/m2.0
Takeoff weight/ton57.6
Takeoff thrust/ton120
700km SSO carrying capacity350kg - 400kg to Sun-synchronous orbit
LEO carrying capacity700kg to Low Earth orbit
RemarksThe Chang 11 project team used the flight data of the first two rockets to find the design margin, Under the premise of ensuring reliability, some products have been cancelled, which has made the rocket carrying capacity Increased by 50 kg.
Rocket Stagel 1 parameters
Takeoff mass/ton39.8
Propellant mass/ton35
Maximum thrust/kN1200
Sea level specific impulse/sec248
Working time/secondApproximately 72
Shell materialsteel

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Page last modified: 04-11-2021 18:32:19 ZULU