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 Brazil
Function	Sounding rocket
Country of origin	Brazil
Size
Height	9.5 m (31 ft)
Diameter	1.01 m (3 ft 4 in)
Mass	6,800 kg (15,000 lb)
Stages	2
Capacity
Payload to low Earth orbit
Altitude	650 km (400 mi)
Mass	500 kg (1,100 lb)
Launch history
Status	Active
Launch sites	Alcântara Space Center, Andøya Space, Barreira do Inferno Launch Center
Total launches	3
Failure(s)	1[1]
First flight	2 April 1993
First stage – S40TM
Specific impulse	275 seconds (2.70 km/s)
Burn time	56 seconds
Second stage – S44M
Maximum thrust	33.24 kN (7,470 lbf)
Specific impulse	282 seconds (2.77 km/s)
Burn time	68 seconds