Propulsion CZ-1  &  CZ-1D


    
The Chinese engine YF-2 is a cluster of four single engines YF-1

Photo: S.Grahn. Sweden

Engine YF-3


YF-1 turbopump


Single engine YF-40

CZ-1B

Stage

Engines

Thrust s.l.

Isp s.l.

Thrust vac

Isp vac

Propellant

Burn time

Flow rate

Total Imp

kN

N*s/kg

kN

N*s/kg

tons

s

t/s

MN*s

1

YF-2A (4)

1,019.9 2349 1,131.7 2606 60.79 140.0 0.4342 158.4
2

YF-3

    294.2 2746 12.38 115.6 0.1071 34.0
3

FG-02

    118.0 2491 1.806 38 0.0474 4.48

CZ-1C

Stage

Engines

Thrust s.l.

Isp s.l.

Thrust vac

Isp vac

Propellant

Burn time

Flow rate

Total Imp

kN

N*s/kg

kN

N*s/kg

tons

s

t/s

MN*s

1

YF-2B (4)

1,101.2 2378 1,214.4 2622 60.90 131.5 0.4631 159.7
2

YF-3A

    320.2 2814 12.38 108.8 0.1138 34.8
3

FG-02

    118.0 2491 1.806 38 0.0474 4.48

CZ-1D

Stage

Engines

Thrust s.l.

Isp s.l.

Thrust vac

Isp vac

Propellant

Burn time

Flow rate

Total Imp

kN

N*s/kg

kN

N*s/kg

tons

s

t/s

MN*s

1

YF-2B (4)

1,101.2 2378 1,214.4 2622 60.90 131.5 0.4631 159.7
2

YF-40 (2)

    98.1 2893 12.38 365 0.0339 35.8
3

FG-36

    44.6 2834 0.645 41 0.0157 1.83

 



Solid kick motor FG-02



FG-36