KSLV-III

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KSLV-III

Part of Angara

KSLV-III
Credit: © Mark Wade

South Korean launch vehicle, consisting of a downgraded Russian Angara first stage, a South Korean liquid propellant second stage, and a South Korean solid propellant apogee kick motor. Scheduled for first flight by 2015. In August 2006 the Korean press reported that the first and second stages would both be Angara-UM modules… how this configuration would work (stacked versus parallel) was unclear.

AKA: Korea Space Launch Vehicle-III. Status: In development. Payload: 1,500 kg (3,300 lb). Thrust: 1,910.00 kN (429,380 lbf). Gross mass: 145,000 kg (319,000 lb). Height: 35.00 m (114.00 ft). Diameter: 3.90 m (12.70 ft). Apogee: 800 km (490 mi).

The originally-planned second stage would logically be a repackaged version of the liquid oxygen/kerosene stage tested on the KSR-III in 2002 and originally intended to power the completely-indigenous original version of the KSR-I launch vehicle.

LEO Payload: 1,500 kg (3,300 lb) to a 800 km orbit at 97.00 degrees.

Stage Data - KSLV-III

Stage 1. 1 x Angara UM. Gross Mass: 140,000 kg (300,000 lb). Empty Mass: 10,000 kg (22,000 lb). Thrust (vac): 2,094.700 kN (470,907 lbf). Isp: 338 sec. Burn time: 300 sec. Isp(sl): 310 sec. Diameter: 2.90 m (9.50 ft). Span: 2.90 m (9.50 ft). Length: 25.00 m (82.00 ft). Propellants: Lox/Kerosene. No Engines: 1. Engine: RD-191. Status: Development 2004. Comments: Can be throttled to 95%. Propellant ration 2.6:1, chamber pressure 257 bar.

Stage 2. 1 x KSR-3. Gross Mass: 5,000 kg (11,000 lb). Empty Mass: 700 kg (1,540 lb). Thrust (vac): 122.500 kN (27,539 lbf). Isp: 280 sec. Burn time: 95 sec. Isp(sl): 240 sec. Diameter: 1.00 m (3.20 ft). Span: 1.00 m (3.20 ft). Length: 9.60 m (31.40 ft). Propellants: Lox/Kerosene. No Engines: 1. Engine: KSR-3. Status: Hardware 2002. Comments: All values except thrust estimated.

Stage 3. 1 x KSR-1. Gross Mass: 1,000 kg (2,200 lb). Empty Mass: 100 kg (220 lb). Thrust (vac): 86.200 kN (19,379 lbf). Isp: 250 sec. Burn time: 25 sec. Isp(sl): 220 sec. Diameter: 0.42 m (1.37 ft). Span: 0.42 m (1.37 ft). Length: 4.70 m (15.40 ft). Propellants: Solid. No Engines: 1. Status: Hardware 2002. Comments: All values except thrust estimated.

Family: orbital launch vehicle. Country: Korea South. Launch Sites: Goheung. Stages: KSR-3, Angara UM, KSR-1. Agency: KARI.

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