SSW-110
SSTL (Surrey Satellite Technology)
The SSW-110 is a reaction wheel specifically designed for Low Earth Orbit (LEO) flight, providing attitude control for satellites.
Key figurescomparable across the catalogue
- Mass
- 5.6 kg
- Power
- 5 W
- Design life
- 15.25 years
Normalised to common units so this product can be compared with others in its category. The supplier's own wording is below.
As published by the supplier
- Product name
- SSW-110
- Application
- Low Earth Orbit flight wheel
- Reaction Torque
- 200 mNm to +/-3900 rpm at 48.5 V DC
- Momentum
- 12 Nms @ +/-5000 rpm
- Speed range
- +/-5000 rpm
- Operational revolutions
- <20.1 billion
- Speed accuracy
- 0.4166 rpm (720PPR)
- Speed jitter
- 2 x 0.416 rpm
- Lifetime
- 15.25 years
- Operating temperature
- -30°C to +60°C
- Survival temperature
- -35°C to +70°C
- Electrical Interface
- Single male socket (D-type) 25 way
- Supply voltage
- 48.5 to 52.5 V DC
- Idle power consumption
- <5 Watts
- Maximum power consumption
- <180 Watts
- Communications
- RS485
- Internal speed controller update rate
- 5 Hz
- Maximum external telemetry update rate
- 5 Hz
- Dimensions
- Diameter 240 x 95 mm
- Mass
- <5.6 kg
About
The SSW-110 is a flight-proven reaction wheel developed by SSTL, optimized for use in Low Earth Orbit (LEO) missions. Reaction wheels are critical components for spacecraft attitude determination and control systems (ADCS), enabling precise pointing and stabilization of satellites. While specific features and configurations are not detailed on this page, its designation as a ‘Low Earth Orbit flight wheel’ indicates its suitability for the environmental and operational demands of LEO missions. This product is part of SSTL’s range of subsystems, which includes GNSS receivers and other ADCS components.
Documentation
Need the full ICD, test reports or a specific revision? Ask the supplier directly.