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Titan 3L4

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Titan 3L4 Credit: © Mark Wade

Status: Study 1965. Payload: 45,000 kg (99,000 lb). Thrust: 25,642.10 kN (5,764,573 lbf). Gross mass: 1,747,580 kg (3,852,750 lb). Height: 63.00 m (206.00 ft). Diameter: 4.57 m (14.99 ft). Apogee: 185 km (114 mi).

LEO Payload: 45,000 kg (99,000 lb) to a 185 km orbit. Payload: 16,000 kg (35,000 lb) to a GTO. Launch Price $: 38.000 million in 1965 dollars.

Stage Data - Titan 3L4

• Stage 0. 4 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. 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.