Viking 2
Type: Lower Stage Engine
Country of Origin: Europe
Manufacturer:
First Flight:
Status: Retired
Propellant (O/F): Nitrogen Tetroxide/Unsymmetrical Dimethylhydrazine (UH25 in Viking 2B)
Mixture Ratio (O/F by mass): 1.86; 1.70 (2B)
Cycle: Gas Generator
Chambers: 1
Thrust (vac.): 690 kN;
Thrust (s.l.): 611 kN; 643 kN (2B)
Throttle: none
ISP (vac.):
ISP (s.l.):
Chamber Pressure:
Nozzle Ratio:
Burn time:
Ignitions: 1
Mass: 776 kg
Length: 2.87 m
Diameter: 0.99 m
Used in: Ariane 1, Ariane 2 (Viking 2B), Ariane 3 (Viking 2B)
Links: