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Titan 3C7
Part of Titan Family
Titan 3C7
Titan 3C7
Credit: © Mark Wade
American orbital launch vehicle. Variant of Titan 3C with seven segment solid motors. Proposed by Martin for precise delivery of payloads beyond Titan 3C capacity into geosynchronous orbit. Never flown.

Status: Study 1965. Payload: 15,800 kg (34,800 lb). Thrust: 12,821.00 kN (2,882,275 lbf). Gross mass: 818,380 kg (1,804,210 lb). Height: 43.00 m (141.00 ft). Diameter: 3.05 m (10.00 ft). Apogee: 185 km (114 mi).

LEO Payload: 15,800 kg (34,800 lb) to a 185 km orbit. Payload: 4,300 kg (9,400 lb) to a GTO. Launch Price $: 19.000 million in 1965 dollars.

Stage Data - Titan 3C7

  • Stage 0. 2 x Titan UA1207. Gross Mass: 319,330 kg (704,000 lb). Empty Mass: 51,230 kg (112,940 lb). Thrust (vac): 7,116.999 kN (1,599,965 lbf). Isp: 272 sec. Burn time: 120 sec. Isp(sl): 245 sec. Diameter: 3.05 m (10.00 ft). Span: 3.05 m (10.00 ft). Length: 34.14 m (112.00 ft). Propellants: Solid. No Engines: 1. Engine: UA1207. Status: In Production.
  • Stage 1. 1 x Titan 3A-1. Gross Mass: 116,573 kg (256,999 lb). Empty Mass: 5,443 kg (11,999 lb). Thrust (vac): 2,339.760 kN (525,999 lbf). Isp: 302 sec. Burn time: 147 sec. Isp(sl): 250 sec. Diameter: 3.05 m (10.00 ft). Span: 3.05 m (10.00 ft). Length: 22.28 m (73.09 ft). Propellants: N2O4/Aerozine-50. No Engines: 2. Engine: LR-87-11. Status: In Production.
  • Stage 2. 1 x Titan 3A-2. Gross Mass: 29,188 kg (64,348 lb). Empty Mass: 2,653 kg (5,848 lb). Thrust (vac): 453.714 kN (101,999 lbf). Isp: 316 sec. Burn time: 205 sec. Isp(sl): 145 sec. Diameter: 3.05 m (10.00 ft). Span: 3.05 m (10.00 ft). Length: 7.90 m (25.90 ft). Propellants: N2O4/Aerozine-50. No Engines: 1. Engine: LR-91-11. Status: In Production.
  • Stage 3. 1 x Titan Transtage Stretch. Gross Mass: 15,000 kg (33,000 lb). Empty Mass: 2,200 kg (4,800 lb). Thrust (vac): 71.166 kN (15,999 lbf). Isp: 311 sec. Burn time: 520 sec. Isp(sl): 0.0000 sec. Diameter: 3.05 m (10.00 ft). Span: 3.05 m (10.00 ft). Length: 5.30 m (17.30 ft). Propellants: N2O4/Aerozine-50. No Engines: 2. Engine: AJ10-138. Status: Study 1965. Comments: 20% stretch of Transtage to handle geosynchronous insertion of larger payloads launched by Titan 3C7. Masses estimated.



Family: orbital launch vehicle. Country: USA. Engines: AJ10-138, LR87-11, LR91-11. Stages: Titan 3A-1, Titan 3A-2, Titan Transtage Stretch, UA1207. Agency: Martin.

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