European space-rocket liquid-propellant engines

last update: 28.05.2011

 

Engine

Chamb.

Stage

Nozzle
Area
 Ratio

 

Chamb.
Press.
(MPa)

Propellants

Oxid.
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 Core       Turpentine /
Nitric Acid
  20             PARCA missile
 LRBA 1 Core         40             Veronique AGI
 LRBA 1 Core         60             Veronique 61
 LRBA 1 Core         160             Vesta
 Vexin 1 1st         265.5 205 2010 301.6 233 2285 0.1320 Emeraude, Diamant-A
 Vexin A (1) 4 1st       UDMH / N2O4                 Project Cora
 Vexin A (2) 4 2nd               262.0 281 2756 0.0951 Europa-II
 Valois 1 1st         349.1 221 2167 396.5 251 2461 0.1611  Amethyste, Diamant-B/BP
 SEP / SNECMA (France)
 Viking 1 (M55) 1 Core       UDMH / N2O4   540.0             Qualification
 Viking 2 1 1st     5.30 1.86 596.5 239.1 2345 667.5 267.5 2623 0.2545  Ariane 1
 Viking 4 1 2nd 30.8   5.35 1.86       713.0 290 2844 0.2507 Ariane 1
 Viking 2B 1 1st       UH25 / N2O4 1.71 645.0 242.3 2376 720.0 270.5 2653 0.2714  Ariane 2, 3
 Viking 4B 1 2nd 30.8   5.85 1.71       784.8 290.7 2851 0.2753 Ariane 2, 3
 Viking 5C 1 1st 10.48   5.85 1.71 678.8 248 2432 760.5 277.9 2725 0.2790  Ariane 4
 Viking 4B+ 1 2nd 30.8   5.85 1.71       807.8 292.7 2870 0.2815 Ariane 4
 Viking 6 1 Strap-ons 10.48   5.85 1.71 670.0 245.2 2404 749.0 274 2687 0.2787 Ariane 4
 Vulcain 1 1st 45.0   11.0 LH2 / LOX 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 1st 58.5   11.5 6.1 1,068.0 341.7 3351 1,355.0 433.7 4253 0.3186 Ariane 5E

 

Engine

Chamb.

Stage

Nozzle
Area
 Ratio

 

Chamb.
Press.
(MPa)

Propellants

Oxid.
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 Core       Kerosene /
HTP (H2O2)
  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 2 Core       Kerosene / LOX   1,342.0 248 2432 1,526.0 282 2766 0.5518 Blue Streak missile
 RZ.2 2 1st         1,471.0 248.6 2438 1,583.0 284.4 2789 0.6034 Europa

 

Engine

Chamb.

Stage

Nozzle
Area
 Ratio

 

Chamb.
Press.
(MPa)

Propellants

Oxid.
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 3rd       Aerozin50 / N2O4 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-7 1 3rd     2.94 LH2 / LOX 4.30       62.4 440.0 4315 0.0145 Ariane 1
 HM-7B 1 3rd     3.43 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 2nd 83.1   3.66 4.86       64.8

 445.6

4370

0.0148

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

 445.6

4370

0.0148

Ariane 5ECA
 Aestus 1 2nd 84   1.0 MMH / N2O4 1.90       29.4 321.3 3151 0.0093  Ariane 5G
 Aestus+ 1 2nd     1.1         30.0 323.8 3175 0.0094 Ariane 5G+
 Vinci 1 2nd 240   6.08 LH2 / LOX        

 180.0

 465

4560 0.0395 Ariane 5ECB, ME