Propulsion CZ-2E, CZ-2F

Booster

Stage 1

  Stage 2

 +Verniers (4)

(YF=Yeiti Fadong)

Launcher
 YF-20B  4 x YF-20B  = YF-21B  YF-22E ( l.n.)

 YF-23B

  = YF-24D

CZ-2E, CZ-2F/SZ, CZ-2F/TG
 YF-20C  4 x YF-20C  = YF-21C  YF-22E ( l.n.)

 YF-23F

  = YF-24E  CZ-2F/SZ, CZ-2F/TG

DaFY-5-1

 DaFY-6-2

 DaFY-20-1

DaFY-21-1

another term for engines

 

      
YF-20

    
YF-21

    
YF-24D  l.n. (=YF-22E + 4x YF-23B Verniers)

      
YF-24F  l.n. (=YF-22E + 4x YF-23F Verniers

 

CZ-2E

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
Booster (1)

YF-20B

 740.4 2557 797.5 2754 36.43 125.8 0.2896 100.3
1

YF-21B

 2,961.6 2556 3,190.0 2754 184.07 158.9 1.1584 506.9
2

YF-24D  l.n.

     784.5 2971 85.00 296 0.2640 251.1

YF-23B (4)

    

46.1

2763

410

 0.0167

 

CZ-2E/EPKM

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
Booster (1)

YF-20B

 740.4 2557 797.5 2754 40.34 139.3 0.2896 111.1
1

YF-21B

 2,961.6 2557 3,190.0 2754 184.07 158.9 1.1584 506.9
2

YF-24D  l.n.

     784.5 2971 85.00 296 0.2640 251.1

YF-23B (4)

    

46.1

2763

410

 0.0167
EPKM

FG-46

     179.2 2864 5.444 87 0.0626 15.59
STAR 63F

TE-M-963-2

     104.6 2938 4.264 119.8 0.0356 12.53

 

CZ-2F/SZ

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
Booster (1)

YF-20C

 748.1 2557 805.8 2754 44.57 152.3 0.2926 122.7
1

YF-21C

 2,992.8 2557 3,223.4 2754 186.27 159.1 1.1706 512.9
2

YF-24E  l.n.

     784.5 2971 85.92 300 0.2640 254.9

YF-23F (4)

    

47.2

2911

415

 0.0162

 

CZ-2F/TG

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
Booster (1)

YF-20C

 748.1 2557 805.8 2754 44.57 152.3 0.2926 122.7
1

YF-21C

 2,992.8 2557 3,223.4 2754 186.27 159.1 1.1706 512.9
2

YF-24E  l.n.

     784.5 2971 85.92 300 0.2640 254.9

YF-23F (4)

    

47.2

2911

415

 0.0162