![]() Encyclopedia Astronautica 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 Neptune engine AKA: Neptune; OPd-56-39-22D-2. Status: Retired 1961. Thrust: 20.00 kN (4,496 lbf). Gross mass: 500 kg (1,100 lb). Unfuelled mass: 150 kg (330 lb). Burn time: 32 s. Height: 3.20 m (10.40 ft). Diameter: 0.39 m (1.27 ft).
Country: USA. Launch Vehicles: OPd-56-39-22D, Antares. Propellants: Solid. Stages: Neptune engine. Agency: ONERA. 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 � 1997-2016 Mark Wade - Contact � / Conditions for Use |