Propulsion CZ-3, CZ-3A CZ-3B, CZ-3C



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

        

 YF=Yeiti Fadong

CZ-3

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-21A

2,804.0 2557 3,020.3 2754 134.0 127.6 1.0968 385.4
2

YF-24A

    719.8 2834 34.99 129.3 0.2540 99.0

YF-23 (4)

   

44.1

2756

134 0.0160
3

YF-73 (4)

    44.15 4119 8.65 810 0.0107 35.6

CZ-3+

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-21B

2,961.6 2557 3,190.0 2754 142.0 122.6 1.1584 391.1

2

YF-24B

    742.4 2922 34.93 128.5 0.2540 101.7

YF-23B (4)

   

46.1

2762

137

0.0167

3

YF-73+ (4)

    44.43 4168 8.50 795 0.0107 35.4

CZ-3A

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-21B

2,961.6 2557 3,190.0 2754 169.0 145.9 1.1584 465.4

2

YF-24B

    742.4 2922 29.70 109.5 0.2540 85.5

YF-23B (4)

   

46.1

2762

114

0.0167

3

YF-75 (2)

    156.9 4295 17.54 480 0.0365 75.3

CZ-3A+

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-21C

2,961.6 2557 3,190.0 2754 174.8 150.9 1.1584 481.3

2

YF-24E l.n.

    784.5 2971 35.10 110 0.2640 91.7

YF-23F (4)

   

47.2

2911

115

0.0162

3

YF-75 (2)

    156.9 4295 17.54 480 0.0365 75.3

CZ-3B

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 36.84 127.2 0.2896 101.4

1

YF-21B

2,961.6 2557 3,190.0 2754 171.79 148.3 1.1584 473.0

2

YF-24B

    742.4 2922 49.12 180.6 0.2540 143.3

YF-23B (4)

   

46.1

2762

200

0.0167

3

YF-75 (2)

    156.9 4295 18.27 500 0.0365 78.4

CZ-3B+

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 40.72 140.6 0.2896 112.1

1

YF-21C

2,961.6 2556 3,190.0 2754 171,79 148,3 1.1584 473.0

2

YF-24E l.n.

    784.5 2971 49.60 175.6 0.2640 147.2

YF-23F (4)

   

47.2

2911

200

0.0162

3

YF-75 (2)

    156.9 4295 18.27 500 0.0365 78.4

CZ-3BE

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.

    742.4 2922 49.60 175.6 0.2540 147.2

YF-23F (4)

   

46.1

2762

200

0.0167

3

YF-75 (2)

    156.9 4295 18.27 500 0.0365 78.4

CZ-3C

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 36.49 126.0 0.2896 101.0

1

YF-21C

2,961.6 2556 3,190.0 2754 176.43 152.3 1.1584 485.8

2

YF-24E l.n.

    784.5 2971 49.60 175.6 0.2640 147.2

YF-23F (4)

   

47.2

2911

200

0.0162

3

YF-75 (2)

    156.9 4295 18.27 500 0.0365 78.4

CZ-3CE

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 2556 3,190.0 2754 186.27 160.8 1.1584 512.9

2

YF-24E l.n.

    784.5 2971 49.60 175.6 0.2640 147.2

YF-23F (4)

   

47.2

2911

200

0.0162

3

YF-75 (2)

    156.9 4295 18.27 500 0.0365 78.4

 


   
YF-73



YF-73

 
      

YF-75



YF-75