ARW-3m Reaction Wheel
ASPINA
Ultra-compact 30×30×30 mm reaction wheel for CubeSats ~10 kg class, 3 mNms momentum capacity, 71 g, I2C interface. TRL 8, mass production 2024.
Technical specifications
- Momentum (max)
- 3 mNms
- Torque (max)
- 1 mNm
- Mass
- 71 g
- Dimensions
- 30 × 30 × 30 mm
- Power (steady state)
- 0.6 W @ 6000 RPM
- Power (max torque)
- 2.5 W
- Supply Voltage
- 9–12 V
- Interface
- I2C
- Operating Temperature
- -30 to +70 °C
- Mission Life
- 2 years
- TRL
- 8
About
The ARW-3m is an ultra-compact reaction wheel for CubeSat-class satellites (~10 kg). Measuring just 30 × 30 × 30 mm and weighing 71 g, it delivers 3 mNms maximum momentum with 1 mNm peak torque. Features I2C interface, 9–12V supply, and -30 to +70°C operating temperature. TRL 8; mass production started April 2024 with first units delivered January 2025.
Documentation
No public datasheet yet — request the datasheet / ICD from the supplier.
