Kongsberg NanoAvionics offers reaction/momentum wheels that enable precision pointing of small satellites.

The reaction wheels include DC brushless motors assembled in sealed housing, providing no particle emissions, and preventing contamination of peripheral devices.

Key reaction wheel properties:

RW0:

• Dimensions: 43.5 mm x 43.5 mm x 24 mm
• Temperature range: -40 °C to +85 °C
• Mass: 137 g

4RW0:

• Dimensions: 92.50 mm x 92.50 mm x 51.20 mm
• Temperature range: -40 °C to +85 °C
• Mass: 665 g

Key reaction wheel performance parameters:

RW0:

• Maximum speed: 6500 RPM
• Maximum torque: 3.2 mNm
• Maximum momentum storage: 20 mNms
• Power consumption (Idle):  45 mW
• Power consumption steady state (1000 RPM): 150 mW
• Speed set resolution 0.1 RPM
• Speed control accuracy 500 – 6500 RPM : ± 1 (including ripple)
• Speed control accuracy 100 – 500 RPM : ± 3 (including ripple)
• Total residual disbalance < 50 mg*mm

4RW0:

• Maximum torque around X axis: 5.9 mNm
• Maximum torque around Y axis: 5.9 mNm
• Maximum torque around Z axis: 5 mNm
• Maximum momentum storage around X axis: 37 mNms
• Maximum momentum storage around Y axis: 37 mNms
• Maximum momentum storage around Z axis: 31.3 mNms
• Power consumption (Idle):  180 mW
• Power consumption steady state (1000 RPM): 600 mW