Reaction Wheel Unit for Satellites

SKU: W18

Reaction Wheel by Bradford Space (4 more products)

Note : Your request will be directed to Bradford Space.

W18 Image

The W18 from Bradford Space is a Reaction Wheel that consists of a Wheel Drive Electronics Box and a Reaction Wheel Assembly. This reaction wheel unit has a momentum storage of 18 Nms and a maximum operational speed of 4000 RPM. It has a maximum gross torque of 0.265 Nm and a static imbalance of 0.5 g.cm. The reaction wheel has a TM/TC frequency range of up to 10 Hz and supports MIL-STD-1553B or analog data interface. It requires a power bus supply voltage of 28/50 VDC and has a peak power consumption of 168 W. The assembly has a mass of 5.20 Kg and measures 295 × 125 mm. It has flown on several successful missions such as SOHO, RadarSat, Seastar, and Olympus.

Product Specifications

Product Details

  • Part Number
    W18
  • Manufacturer
    Bradford Space
  • Description
    Reaction Wheel Unit for Satellites

General Parameters

  • Torque
    265 mNm
  • Angular Momentum
    18 Nms
  • Mass
    5.2 Kg
  • Speed
    4000 rpm
  • Vibration
    IP: 10 g RMS, OoP: 15 g RMS (RWA), IP: 11.2 g RMS, OoP: 17.4 g RMS (WDE)
  • Static Imbalance
    0.5 g-cm
  • Dynamic Imbalance
    5 g-cm2
  • Supply Voltage
    28 to 50 V
  • Power Consumption
    7.6 W (Quiescent Power), 29 W (Steady State Power), 168 W (Peak Power)
  • Space Heritage
    Yes
  • Operating Temperature
    -15 to 60 Degree C (RWA), -30 to 60 Degree (WDE)
  • Dimension
    295 x 125 mm
  • Note
    https://static1.squarespace.com/static/603ed12be884730013401d7a/t/6054f630baf06f76bbabe02a/1616180789682/be_datasheet_rwu_2019dec.pdf

Technical Documents

Latest Reaction Wheels

View more products