FW-4

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Engine Model: FW-4D. Designer: Thiokol. Gross Mass: 300 kg (660 lb). Empty Mass: 25 kg (55 lb). Propellants: Solid. Thrust(vac): 25.000 kN (5,620 lbf). Thrust(sl): 21.800 kN (4,901 lbf). Isp: 287 sec. Isp (sea level): 250 sec. Burn time: 31 sec. Diameter: 0.50 m (1.64 ft). Length: 1.48 m (4.85 ft). Chambers: 1. Country: USA. First Flight: 1965. Last Flight: 1972. Flown: 25. Engine Model: FW-4S TEM640. Manufacturer Name: TE-M-640. Other Designations: Altair 3. Designer: Thiokol. Gross Mass: 301 kg (663 lb). Empty Mass: 25 kg (55 lb). Propellants: Solid. Thrust(vac): 27.400 kN (6,160 lbf). Thrust(sl): 25.000 kN (5,620 lbf). Isp: 280 sec. Isp (sea level): 255 sec. Burn time: 27 sec. Diameter: 0.64 m (2.09 ft). Length: 2.53 m (8.30 ft). Chambers: 1. Country: USA. First Flight: 1965. Last Flight: 1994. Flown: 66. FW-4 used on Rocket Stages Used on stage: Altair. on launch vehicle: Atlas. Used on stage: Altair. on launch vehicle: Bold Orion. Used on stage: Altair. on launch vehicle: Caleb. Used on stage: Altair. on launch vehicle: Delta. Used on stage: Altair. on launch vehicle: Javelin. Used on stage: Altair. on launch vehicle: Journeyman. Used on stage: Altair. on launch vehicle: Scanner. Used on stage: Altair. on launch vehicle: Scout. Used on stage: Altair. on launch vehicle: Sergeant. Used on stage: Altair. on launch vehicle: Trailblazer. Used on stage: FW-4. on launch vehicle: Delta. Contact us with any corrections, additions, or comments. Conditions for use of drawings, pictures, or other materials from this site.. To contact astronauts or cosmonauts. © Mark Wade, 1997 - 2008 except where otherwise noted.