VS-40

The VS-40 (Foguete Suborbital VS-40) is a Brazilian sounding rocket using solid fuel, stabilized aerodynamically, distributed between the first stage S40TM (4,200 kg) engine and the second stage S44M (810 kg) engine.[2][3] This configuration corresponds to the upper stages of the VLS-1 rocket.

VS-40 (Foguete Suborbital VS-40)

VS-40 rocket on display in Brasília
Function	Sounding rocket
Manufacturer	Instituto de Aeronáutica e Espaço
Country of origin	Brazil
Size
Height	9.50 m (31.10 ft)
Diameter	1.01 m (3.31 ft)
Mass	6,800 kg (14,900 lb)
Stages	2
Capacity
Payload to LEO	500 kg (650 km)
Launch history
Status	Active
Launch sites	Centro de Lançamento de Alcântara, Andøya Rocket Range, Centro de Lançamento da Barreira do Inferno
Total launches	3
Failures	1[1]
First flight	2 April 1993
First stage - S40TM
Engines	1 Solid
Thrust	208.39 kN (46,848 lbf)
Specific impulse	275 s (2.70 kN·s/kg)
Burn time	56 seconds
Propellant	Solid
Second stage S44M
Engines	1 Solid
Thrust	33.24 kN
Specific impulse	282 s
Burn time	68 seconds
Propellant	Solid