Plug-and-play reaction wheel assembly for small satellites with 6 Nms momentum storage, 0.2 Nm reaction torque, and 7-year mission lifetime.
HC7 Reaction Wheel Assembly
Plug-and-play reaction wheel assembly for small satellites with 6 Nms momentum storage, 0.2 Nm reaction torque, and 7-year mission lifetime.
Description
The Honeywell HC7 Reaction Wheel Assembly (RWA) features plug-and-play attitude control system insertion with minimized vehicle integration time. Roughly seven inches in diameter, it is designed specifically for small satellites, offering high performance with reduced cost and lifespan versus larger heritage wheels. Uses integrated electronics with an RS422 digital interface.
Specifications
| Momentum Storage | 6 N-m-s |
|---|---|
| Reaction Torque | 0.2 N-m |
| Bus Interface | Digital RS422 @ 9600 baud |
| Storage Life | 2 years |
| Standby Power (nominal) | 5 W |
| Steady State System Power (max) | 25 W |
| Peak System Power (max) | 130 W |
| Dimensions | 10.5 cm length x 20 cm width |
| Radiation Hardness | >20 krad |
| Mission Lifetime | 7 years |
| Operating Temperature | -10 to +50 deg C |
| Integrated Electronics | Yes |