ARW-12 Reaction Wheel
ASPINA
High-momentum reaction wheel for ~500 kg class satellites, 12 Nms momentum, 300–400 mNm torque, 5 kg, RS485, 7-year mission life.
Technical specifications
- Momentum (max)
- 12 Nms
- Torque (max)
- 300–400 mNm
- Mass
- 5 kg
- Dimensions
- φ260 × 75 mm
- Power (steady state)
- 30 W @ 5500 RPM
- Power (max torque)
- 250 W
- Supply Voltage
- 24–34 V
- Interface
- RS485
- Mission Life
- 7 years
About
The ARW-12 is a high-momentum reaction wheel for larger satellite platforms in the ~500 kg class. Delivers 12 Nms maximum momentum with 300–400 mNm peak torque. Circular form factor at φ260 × 75 mm, 5 kg. RS485 interface with 24–34V supply. 30 W steady-state power at 5500 RPM. 7-year mission design life.
Documentation
No public datasheet yet — request the datasheet / ICD from the supplier.
