CubeSat Reaction Wheels RW0 / 4RW0
Single reaction wheel (RW0) or integrated 4-wheel pyramid system (4RW0) for CubeSat 3-axis attitude control. DC brushless motors in sealed housing, no particle emissions.
Technical specifications
- RW0 dimensions
- 43.5 × 43.5 × 24 mm
- RW0 mass
- 137 g
- RW0 max speed
- 6,500 RPM
- RW0 max torque
- 3.2 mNm
- RW0 max momentum
- 20 mNms
- 4RW0 dimensions
- 92.5 × 92.5 × 51.2 mm
- 4RW0 mass
- 665 g
- 4RW0 max torque (X/Y)
- 5.9 mNm
- 4RW0 max torque (Z)
- 5 mNm
- 4RW0 max momentum (X/Y)
- 37 mNms
- Interfaces
- SPI / UART
- Temperature range
- -40°C to +85°C
About
NanoAvionics RW0 is a compact reaction/momentum wheel for CubeSats, available individually or as an integrated 4-wheel redundant system (4RW0) in pyramid configuration for full 3-axis control. Sealed housing eliminates particle emissions critical for sensitive payloads.
RW0 Specifications
| Parameter | Value |
|---|---|
| Dimensions | 43.5 × 43.5 × 24 mm |
| Mass | 137 g |
| Max speed | 6,500 RPM |
| Max torque | 3.2 mNm |
| Max momentum storage | 20 mNms |
| Idle power | 45 mW |
| Power @ 1000 RPM | 150 mW |
| Interfaces | SPI / UART |
| Temperature | -40°C to +85°C |
4RW0 (4-wheel pyramid) Specifications
| Parameter | Value |
|---|---|
| Dimensions | 92.5 × 92.5 × 51.2 mm |
| Mass | 665 g |
| Max torque X/Y | 5.9 mNm each |
| Max torque Z | 5 mNm |
| Max momentum X/Y | 37 mNms each |
| Max momentum Z | 31.3 mNms |
| Idle power | 180 mW |
| Power @ 1000 RPM | 600 mW |
| Temperature | -40°C to +85°C |
Documentation
No public datasheet yet — request the datasheet / ICD from the supplier.
