Titan 5

American orbital launch vehicle. Proposed Titan upgrade with cryogenic core as replacement for NLS.

Flyaway Unit Cost 1985$: 48.720 million.

Stage Data - Titan 5

• 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 5. Gross Mass: 500,000 kg (1,100,000 lb). Empty Mass: 45,000 kg (99,000 lb). Thrust (vac): 4,457.100 kN (1,001,996 lbf). Isp: 425 sec. Burn time: 420 sec. Isp(sl): 354 sec. Diameter: 6.00 m (19.60 ft). Span: 6.00 m (19.60 ft). Length: 60.00 m (196.00 ft). Propellants: Lox/LH2. No Engines: 1. Engine: PW 1000000 lb LH2. Status: Study 1988. Comments: Part of launch vehicle proposed by Martin as alternative to NLS. All figures estimated based on 1,000,000 lb thrust single engine.