Summary

The RWA05 by Berlin Space Technologies is a reaction wheel assembly for small satellites with integrated fibre optical gyro. The integrated gyro enables precise speed, angular rate and position control loops as they have been pioneered on Berlin satellites since 1994. The RWA05 comes in two versions: a high-torque and a low-torque variant.

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Last updated: 2022-08-01

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Specs

9TRL
lead time
4 to 6 mo
mass
1.70 kg (RW + WDE + Gyro)
1.55 kg (RW + WDE)
length
105 mm
width
106.6 mm
height
109.5 mm
power supply
5 V (electronics)
17 to 32 V (motor)
power consumption
0.5 W @ 5 V
power consumption (motor)
0.07 A @ 3000 rpm
0.8 A @ max. torque
angular speed
500 to 5000 rpm
angular speed control accuracy
±2 rpm
angular momentum storage
0.5 N m s
net torque
16.0 mN m @ 500 rpm
14.2 mN m @ 5000 rpm
data interface
RS422
operating temperature
-20 to 40 C
storage temperature
-30 to 50 C
radiation test (Co60)
30 krad
lifetime
5 years LEO

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