VLM (rocket)
The VLM (Veículo Lançador de Microsatélites) is a proposed three-stage satellite launcher being developed by the Brazilian General Command for Aerospace Technology in collaboration with Germany. The project originated in 2008 as a simplified version of the VLS-1 rocket, using only the core stages. The first launch is currently planned for no earlier than 2023.
VLM-1 configuration | |
| Function | Orbital launch vehicle |
|---|---|
| Manufacturer | Institute of Aeronautics and Space |
| Country of origin | Brazil |
| Size | |
| Height | 19.6 m (64 ft) |
| Diameter | 1.45 m (4 ft 9 in) |
| Mass | 28,000 kg (62,000 lb) |
| Stages | 3 |
| Capacity | |
| Payload to LEO | |
| Mass | 150 kg (330 lb) to 300 km |
| Launch history | |
| Status | In development |
| Launch sites | Alcântara Space Center |
| First flight | NET June 2025 (fully operational) |
| First stage – S-50 | |
| Powered by | 1 Solid |
| Maximum thrust | 450 kN (100,000 lbf) |
| Specific impulse | ~277 s (2.72 km/s) |
| Burn time | 82 seconds |
| Propellant | Solid |
| Second stage – S-50 | |
| Powered by | 1 Solid |
| Maximum thrust | 450 kN (100,000 lbf) |
| Specific impulse | ~277 s (2.72 km/s) |
| Burn time | 82 seconds |
| Propellant | Solid |
| Third stage – S-44 | |
| Powered by | 1 Solid |
| Maximum thrust | 33.24 kN (7,470 lbf) |
| Specific impulse | 282 s (2.77 km/s) |
| Burn time | 68 seconds |
| Propellant | Solid |
A version based on the S-50 rocket engine is being developed, with the objective of launching satellites of up to 150 kg into equatorial circular orbits at 300 km altitude.
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