Titan IIIM
Planned American expendable launch vehicle / From Wikipedia, the free encyclopedia
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The Titan IIIM was a planned American expendable launch system, intended to launch the Manned Orbiting Laboratory and other payloads. Development was cancelled in 1969. The stretched core stage was used on some versions of the Titan IIIB and the projected UA1207 solid booster rockets were eventually used on the Titan IV.[1][2]
Quick Facts Function, Manufacturer ...
Function | Expendable launch system |
---|---|
Manufacturer | Martin Marietta |
Country of origin | United States |
Cost per launch | US$22 million (1965) |
Size | |
Height | 39.0 m (128.0 ft) |
Diameter | 3.05 m (10.0 ft) |
Mass | 836,560 kg (1,844,300 lb) |
Stages | 2 |
Capacity | |
Payload to 185 km (115 mi) | |
Mass | 17,000 kg (37,000 lb) |
Associated rockets | |
Family | Titan |
Launch history | |
Status | Cancelled |
Launch sites | CCAFS LC-40 Vandenberg AFB SLC-6 |
Total launches | 0 |
Boosters – UA1207 | |
No. boosters | 2 |
Height | 34.14 m (112.0 ft) |
Diameter | 3.05 m (10.0 ft) |
Empty mass | 51,230 kg (112,940 lb) |
Gross mass | 319,330 kg (704,000 lb) |
Powered by | off |
Maximum thrust | 7,116.999 kN (1,599,965 lbf) |
Specific impulse | 272 s (2.67 km/s) |
Burn time | 120 s |
Propellant | Solid |
First stage – Titan IIIB-1 | |
Height | 23.99 m (78.7 ft) |
Diameter | 3.05 m (10.0 ft) |
Empty mass | 7,000 kg (15,400 lb) |
Gross mass | 139,935 kg (308,504 lb) |
Powered by | 2 × LR87-11 |
Maximum thrust | 2,413.191 kN (542,507 lbf) |
Specific impulse | 302 s (2.96 km/s) |
Burn time | 161 s |
Propellant | A-50 / N2O4 |
Second stage – Titan IIIB-2 | |
Height | 8.6 m (28.2 ft) |
Diameter | 3.05 m (10.0 ft) |
Empty mass | 2,900 kg (6,400 lb) |
Gross mass | 37,560 kg (82,810 lb) |
Powered by | 1 × LR91-11 |
Maximum thrust | 460.314 kN (103,483 lbf) |
Specific impulse | 316 s (3.10 km/s) |
Burn time | 230 s |
Propellant | A-50 / N2O4 |
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