Skip to content
79,433 pages · 13,741 images · since 1994 Browse A–Z Today in space history
Encyclopedia Astronautica The full story of spaceflight
Encyclopedia entry

VLM

Spacecraft · Brazil

Original archive entry. The text, images and links below are kept as they were written.

Brazilian satellite launcher using core of VLS only. Planned for launch of microsatellites. First launch 2002 or later.

LEO Payload: 100 kg (220 lb) to a 200 km orbit at 5.00 degrees. Payload: 18 kg (39 lb) to a 800 km SSO in 1999 dollars. Flyaway Unit Cost 1985$: 4.000 million.

Stage Data - VLM

  • Stage 1. 1 x VLS-1. Gross Mass: 8,720 kg (19,220 lb). Empty Mass: 1,536 kg (3,386 lb). Thrust (vac): 320.600 kN (72,074 lbf). Isp: 277 sec. Burn time: 58 sec. Isp(sl): 170 sec. Diameter: 1.00 m (3.20 ft). Span: 1.00 m (3.20 ft). Length: 8.10 m (26.50 ft). Propellants: Solid. No Engines: 1. Engine: S-43TM. Other designations: Veiculo Lancador de Satelites. Status: In production.
  • Stage 2. 1 x VLS-2. Gross Mass: 5,664 kg (12,486 lb). Empty Mass: 1,212 kg (2,672 lb). Thrust (vac): 208.390 kN (46,848 lbf). Isp: 275 sec. Burn time: 56 sec. Isp(sl): 204 sec. Diameter: 1.00 m (3.20 ft). Span: 1.00 m (3.20 ft). Length: 5.80 m (19.00 ft). Propellants: Solid. No Engines: 1. Engine: S-40TM. Other designations: Veiculo Lancador de Satelites. Status: In production.
  • Stage 3. 1 x VLS-3. Gross Mass: 1,025 kg (2,259 lb). Empty Mass: 190 kg (410 lb). Thrust (vac): 33.240 kN (7,473 lbf). Isp: 282 sec. Burn time: 68 sec. Diameter: 1.00 m (3.20 ft). Span: 1.00 m (3.20 ft). Length: 1.80 m (5.90 ft). Propellants: Solid. No Engines: 1. Engine: S-44. Other designations: Veiculo Lancador de Satelites. Status: In production.
  • Stage 4. 1 x VLM-4. Gross Mass: 377 kg (831 lb). Empty Mass: 57 kg (125 lb). Thrust (vac): 20.490 kN (4,606 lbf). Isp: 275 sec. Burn time: 43 sec. Diameter: 0.66 m (2.16 ft). Span: 0.66 m (2.16 ft). Length: 1.25 m (4.10 ft). Propellants: Solid. No Engines: 1. Engine: S-30. Other designations: Veiculo Lancador de Satelites. Status: In production.
Country
Brazil
Agency
INPE