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Titan 3L2
Part of Titan Family
Titan 3lL2
Titan 3lL2
Credit: © Mark Wade
American orbital launch vehicle. Variant of Titan with 15 foot Large Diameter Core, 2 x 7 segment strap-ons. Man-rated, optimized for delivery of heavy payloads into LEO. Never developed.

Status: Study 1965. Payload: 35,000 kg (77,000 lb). Thrust: 12,821.00 kN (2,882,275 lbf). Gross mass: 1,096,920 kg (2,418,290 lb). Height: 63.00 m (206.00 ft). Diameter: 4.57 m (14.99 ft). Apogee: 185 km (114 mi).

LEO Payload: 35,000 kg (77,000 lb) to a 185 km orbit. Payload: 12,000 kg (26,000 lb) to a GTO. Launch Price $: 33.000 million in 1965 dollars.

Stage Data - Titan 3L2

  • 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 LDC-1. Gross Mass: 350,000 kg (770,000 lb). Empty Mass: 20,000 kg (44,000 lb). Thrust (vac): 4,344.463 kN (976,674 lbf). Isp: 296 sec. Burn time: 210 sec. Isp(sl): 258 sec. Diameter: 4.57 m (14.99 ft). Span: 4.57 m (14.99 ft). Length: 29.90 m (98.00 ft). Propellants: N2O4/Aerozine-50. No Engines: 4. Engine: LR-87-7. Status: Study 1965. Comments: 15 foot diameter core Titan proposed in 1960's for space station logistics. Masses estimated.
  • Stage 2. 1 x Titan LDC-2. Gross Mass: 50,000 kg (110,000 lb). Empty Mass: 3,000 kg (6,600 lb). Thrust (vac): 444.819 kN (99,999 lbf). Isp: 316 sec. Burn time: 320 sec. Isp(sl): 160 sec. Diameter: 4.57 m (14.99 ft). Span: 4.57 m (14.99 ft). Length: 13.40 m (43.90 ft). Propellants: N2O4/Aerozine-50. No Engines: 1. Engine: LR-91-7. Status: Study 1965. Comments: 15 foot diameter core Titan proposed in 1960's for space station logistics. Masses estimated.
  • Stage 3. 1 x Centaur D/E. Gross Mass: 16,258 kg (35,842 lb). Empty Mass: 2,631 kg (5,800 lb). Thrust (vac): 131.222 kN (29,500 lbf). Isp: 444 sec. Burn time: 470 sec. Isp(sl): 0.0000 sec. Diameter: 3.05 m (10.00 ft). Span: 3.05 m (10.00 ft). Length: 9.60 m (31.40 ft). Propellants: Lox/LH2. No Engines: 2. Engine: RL-10A-3. Status: Out of Production.



Family: orbital launch vehicle. Country: USA. Engines: LR87-7, LR91-7, RL-10A-3. Stages: Titan LDC-1, Titan LDC-2, Centaur D/E, UA1207. Agency: Martin.

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