Home - Search - Browse - Alphabetic Index: 0- 1- 2- 3- 4- 5- 6- 7- 8- 9
A- B- C- D- E- F- G- H- I- J- K- L- M- N- O- P- Q- R- S- T- U- V- W- X- Y- Z
Otrag CPRU
Part of Otrag Family
Otrag Stage Cutaway
Otrag Stage Cutaway
Credit: courtesy Lutz Kayser
N2O4/Kerosene propellant rocket stage. Clustered to form Otrag launch vehicles. Pressure-fed, using cheapest possible propellants.

AKA: CPRU;Otrag. Status: Retired 1983. Thrust: 26.96 kN (6,061 lbf). Gross mass: 1,500 kg (3,300 lb). Unfuelled mass: 150 kg (330 lb). Specific impulse: 297 s. Specific impulse sea level: 240 s. Burn time: 140 s. Height: 16.00 m (52.00 ft). Diameter: 0.27 m (0.88 ft). Span: 0.27 m (0.88 ft).

Injection pressure: 40 - 15 bar; Thrust control: 100% - 40 %; Pressurization: Compressed air 66% tank filling in blow-down mode; Injector: Radial like on like; Chamber cooling: Ablative phenolic; Material of injector, valves, bulkheads: AlMg5; Material of cylindrical tank sections: cold rolled low carbon stainless steel.

Cost $ : 0.025 million. Propellant Formulation: (50% N2O4- 50% HNO3/Diesel fuel or Kerosene.



Family: Storable liquid. Country: Germany. Launch Vehicles: Otrag. Propellants: N2O4/Kerosene. Stages: Otrag CPRU. Bibliography: 2000.

Home - Search - Browse - Alphabetic Index: 0- 1- 2- 3- 4- 5- 6- 7- 8- 9
A- B- C- D- E- F- G- H- I- J- K- L- M- N- O- P- Q- R- S- T- U- V- W- X- Y- Z
© 1997-2017 Mark Wade - Contact
© / Conditions for Use