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Ariane 5 EC-B
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Ariane 5 ESC-B

Status: In development. Payload: 12,000 kg (26,000 lb). Thrust: 15,360.00 kN (3,453,060 lbf). Gross mass: 790,000 kg (1,740,000 lb). Height: 60.00 m (196.00 ft). Diameter: 5.40 m (17.70 ft).

Payload: 12,000 kg (26,000 lb) to a GTO, 7 deg.

Stage Data - Ariane 5 EC-B

• Stage 0. 2 x Ariane 5 EAP. Gross Mass: 278,330 kg (613,610 lb). Empty Mass: 38,200 kg (84,200 lb). Thrust (vac): 6,470.000 kN (1,454,510 lbf). Isp: 275 sec. Burn time: 130 sec. Isp(sl): 250 sec. Diameter: 3.05 m (10.00 ft). Span: 3.05 m (10.00 ft). Length: 31.60 m (103.60 ft). Propellants: Solid. No Engines: 1. Engine: P241. Other designations: P241. Status: In Production. Comments: Increased propellant loading (+2.43 metric tons), lighter welded case (-1.6 metric tons) compared to earlier versions.

• Stage 1. 1 x Ariane 5 EPC. Gross Mass: 186,000 kg (410,000 lb). Empty Mass: 12,700 kg (27,900 lb). Thrust (vac): 1,114.000 kN (250,437 lbf). Isp: 434 sec. Burn time: 650 sec. Isp(sl): 335 sec. Diameter: 5.46 m (17.91 ft). Span: 5.46 m (17.91 ft). Length: 30.50 m (100.00 ft). Propellants: Lox/LH2. No Engines: 1. Engine: Vulcain 2. Other designations: H173. Status: In Production. Comments: 15.2 metric tons increased propellant by moving liquid oxygen bulkhead.

• Stage 2. 1 x Ariane 5 ESC B. Gross Mass: 27,500 kg (60,600 lb). Empty Mass: 3,400 kg (7,400 lb). Thrust (vac): 153.900 kN (34,598 lbf). Isp: 467 sec. Burn time: 700 sec. Diameter: 5.46 m (17.91 ft). Span: 5.46 m (17.91 ft). Length: 10.00 m (32.00 ft). Propellants: Lox/LH2. No Engines: 1. Engine: Vinci. Status: In production. Comments: New upper stage for Ariane 5.