Propulsion CZ-2E, CZ-2F



YF-21B (= 4x YF-20)

       

 YF=Yeiti Fadong

CZ-2E

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

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-24E  l.n.

    784.5 2971 85.00 296 0.2640 251.1

YF-23B (4)

   

46.1

2763

410

0.0167

CZ-2E/EPKM

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

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-24E  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

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

Booster (1)

YF-20C

740.4 2557 797.5 2754 44.57 153.9 0.2896 122.7
1

YF-21C

2,961.6 2557 3,190.0 2754 186.27 160.8 1.1584 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

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

Booster (1)

YF-20C

740.4 2557 797.5 2754 44.57 153.9 0.2896 122.7
1

YF-21C

2,961.6 2557 3,190.0 2754 186.27 160.8 1.1584 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

 

 

 
    
    
The new engine YF-24E with long nozzle (+ 4x YF-23F)



YF-24E