European space-rocket liquid-propellant engines

last update: 12.07.2016

 

Engine

Chamb.

Fuel
Flow
(Cycle)

Nozzle
Area
 Ratio

 Press.
Exp.
 Ratio

Chamb.
Press.
(MPa)

Propellants

Stage

Oxid.
Mix
 Rate

Thrust s.l.

Isp s.l.

Thrust vac.

Isp vac

Flow
 Rate
(t/sec)

Launcher

kN

sec

Ns/kg

kN

sec

Ns/kg

 LRBA (France)
 LRBA 1 Pressure       Turpentine /
Nitric Acid
Core   20             PARCA missile
 LRBA 1       Core 3.57 40.2 189 1853 44.3 208 2040 0.0217 Veronique AGI
 LRBA 1       Core 3.57 57.4 189 1853 63.2 208 2040 0.0310 Veronique 61(M)
 LRBA 1       Core 3.57 139.8  189 1853 153.7 208 2040 0.0754 Vesta
 Vexin 1     1.76 1st 3.57 273.7 203 1991 310.1 230 2256 0.1375 Emeraude, Diamant-A
 Vexin A (1) 4       UDMH / N2O4 1st                 Project Cora
 Vexin A (2) 4     1.38 2nd 2.0       262.0 281 2756 0.0951 Europa (Coralie)
 Valois (1) 1     1.96 1st 4.4 347.9 221 2167 407.7 259 2540 0.1611  Amethyste, Diamant-B

Valois (2)

1       1st   316.7 212 2079 373.5 250 2452 0.1524 Diamant-BP
 SEP / SNECMA (France)
 Viking 1 (M55) 1 Gas gen.       UDMH / N2O4 Core   540.0             Qualification

 Viking 5

1     5.30 1st 1.86 596.5 239.1 2345 667.5 267.5 2623 0.2545  Ariane 1
 Viking 4 1       2nd                 -

Viking 4A

1     5.35 2nd 1.86       713.0 290 2844 0.2507 Ariane 1
 Viking 5B 1 Gas Gen.       UH25 / N2O4 1st 1.71 645.0 242.3 2376 720.0 270.5 2653 0.2714  Ariane 2, 3
 Viking 4B 1 Gas Gen. 30.8   5.85 2nd 1.71       784.8 290.7 2851 0.2753 Ariane 2, 3
 Viking 5C 1 Gas Gen. 10.48   5.85 1st 1.71 678.8 248 2432 760.5 277.9 2725 0.2790  Ariane 4
 Viking 4B+ 1 30.8   5.85 2nd 1.71       807.8 292.7 2870 0.2815 Ariane 4
 Viking 6 1 10.48   5.85 Strap-ons 1.71 670.0 245.2 2404 749.0 274 2687 0.2787 Ariane 4
 Vulcain 1 Gas Gen. 45.0   11.0 LH2 / LOX 1st 5.25 885.0 339.2 3326 1,125.0 431.2 4229 0.2660 Ariane 5G
 Vulcain+ 1       1st    897.0 339.5 3329 1,140.0 431.5 4232 0.2694 Ariane G, G+
 Vulcain 2 1 Gas Gen. 58.5   11.5 1st 6.1 1,068.0 341.7 3351 1,355.0 433.7 4253 0.3186 Ariane 5E
 Vulcain 3

 2+ (NE-X)

1 Gas Gen.     13.9 1st   1,326.7 362.1 3551 1,516.4 413.9 4059 0.3736 Ariane 5ME, Ariane-6
 Prometheus 1 Gas Gen.     10 LCH4 / LOX 1st 3.5       1,000.0       Callisto RLV, Ariane NEXT

 

Engine

Chamb.

Fuel
Flow
(Cycle)

Nozzle
Area
 Ratio

 Press.
Exp.
 Ratio

Chamb.
Press.
(MPa)

Propellants

Stage

Oxid.
Mix
Rate

Thrust s.l.

Isp s.l.

Thrust vac.

Isp vac

Flow
 Rate
(t/sec)

Launcher

kN

sec

Ns/kg

kN

sec

Ns/kg

 Siddeley (UK)
 Stentor 1+1 Gas Gen.       Kerosene /
HTP (H2O2)
Core   106.8/26.7          

 

Blue Steel missile
 Gamma 301 (small Stentors) 4       Core  

111.2

            Black Knight (2)
 Gamma 8     (small Stentors) 8       1st   224.4 251 2461  234.8 265 2599  0.0904 Black Arrow
 Gamma 2     (small Stentors) 2       2nd         68.2 262 2569  0.0266 Black Arrow
 Rolls-Royce (UK)
 RZ.2 2x1 Gas Gen.       Kerosene / LOX Core   1,342.0 248 2432 1,526.0 282 2766 0.5518 Blue Streak missile
 RZ.2 2x1     3.96 1st 2.16 1,471.0 248.6 2438 1,583.0 284.4 2789 0.6034 Europa

 

Engine

Chamb.

Fuel
Flow
(Cycle)

Nozzle
Area
 Ratio

 Press.
Exp.
 Ratio

Chamb.
Press.
(MPa)

Propellants

Stage

Oxid.
Mix
Rate

Thrust s.l.

Isp s.l.

Thrust vac.

Isp vac

Flow
 Rate
(t/sec)

Launcher

kN

sec

Ns/kg

kN

sec

Ns/kg

 MBB-ERNO (Germany)
 Astris 1 1 Pressure     9.0 Aerozin50 / N2O4 3rd 1.5       22.6 300 2942 0.0077 Europa-I
 Astris  2 1       3rd 2.0       23.3 310 3040 0.0077 Europa-II
 HM-7A 1 Gas Gen.     2.94 LH2 / LOX 3rd 4.30       62.4 440.0 4315 0.0145 Ariane 1
 HM-7B 1     3.43 3rd 4.51       64.2 442.2 4336  0.0148 Ariane 2, 3 , 4
 HM-7B+ 1       3rd 4.61       64.6  444.2  4356  0.0148 Ariane 4
 HM-7B++ 1 83.1   3.66 2nd 4.86       64.8

 445.6

4370

0.0148

Ariane 4
 HM-7B++ 1     3.66 2nd 4.86       64.8

 445.6

4370

0.0148

Ariane 5ECA
 Aestus 1 Pressure 84   1.0 MMH / N2O4 2nd 1.90       29.4 321.3 3151 0.0093  Ariane 5G
 Aestus+ 1     1.1 2nd         30.0 323.8 3175 0.0094 Ariane 5G+
 Aestus-2

RS-72

1 Gas Gen.     6.0 2nd 2.05      

55.4

340

3334 0.0166  ?
 VINCI 1 Expander 240   6.08 LH2 / LOX 2nd 5.8      

 180.0

 465

4560 0.0395 Ariane 5ECB, ME