Satellites and subsystems > Attitude > Attitude actuators > Reaction wheels > VRW-D-4 Reaction Wheel
Key highlights
The VECTRONIC Aerospace VRW-D-4 Reaction Wheel is a 2.5 kg system with a maximum angular momentum of 4.00 Nms.
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Last updated: 2023-05-26
VRW-D-4 Reaction Wheel
Technical specs
angular momentum
4.0 N m s
maximum speed
± 6000 rpm
maximum torque
± 50 mNm
± 90 mNm
± 90 mNm
speed control loop accuracy (2σ)
0.1 rpm
static unbalance
< 3 g mm
dynamic unbalance
100 g mm^2
length
180 mm
width
180 mm
height
60 mm
mass
2.5 kg
moment of inertia (rotor)
6.37 x 10-3 kgm²
power consumption
<1.3 W (@steady state, no speed)
<9.0 W (@steady state, max. speed)
<65 W (@max. speed, @50mNm)
<9.0 W (@steady state, max. speed)
<65 W (@max. speed, @50mNm)
data interface
RS422/485
CAN
CAN
nominal in-orbit lifetime
45000+ hours
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