1. Home
  2. Attitude Control & Determination Systems
  3. Reaction Wheels
  4. Bradford Space
  5. W18ES

W18ES

Reaction Wheel by Bradford Space (4 more products)
Request Information

Note : Your request will be directed to Bradford Space.

W18ES Image

The W18ES from Bradford Space is a Reaction Wheel with Torque 265 mNm, Angular Momentum 25 Nms, Mass 6.02 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). More details for W18ES can be seen below.

Product Specifications

Product Details

  • Part Number
    W18ES
  • Manufacturer
    Bradford Space
  • Description
    The Bradford Reaction Wheel Unit (RWU) channel consists of a Reaction Wheel Assembly (RWA) and one Wheel Drive Electronics Box (WDE).

General Parameters

  • Torque
    265 mNm
  • Angular Momentum
    25 Nms
  • Mass
    6.02 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
    7 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

Space Missions - A list of all Space Missions

esa

Name Date
Altius 01 May, 2025
Hera 01 Oct, 2024
Arctic Weather Satellite 01 Jun, 2024
EarthCARE 29 May, 2024
Arctic Weather Satellite (AWS) 01 Mar, 2024
MTG Series 13 Dec, 2022
Eutelsat Quantum 30 Jul, 2021
Sentinel 6 21 Nov, 2020
OPS-SAT 18 Dec, 2019
Cheops 18 Dec, 2019
View all ESA Missions

isro

Name Date
INSAT-3DS 17 Feb, 2024
XPoSat 01 Jan, 2024
Aditya-L1 02 Sep, 2023
DS-SAR 30 Jul, 2023
Chandrayaan-3 14 Jul, 2023
NVS-01 29 May, 2023
TeLEOS-2 22 Apr, 2023
OneWeb India-2 26 Mar, 2023
EOS-07 10 Feb, 2023
EOS-06 26 Nov, 2022
View all ISRO Missions

jaxa

Name Date
VEP-4 17 Feb, 2024
TIRSAT 17 Feb, 2024
CE-SAT 1E 17 Feb, 2024
XRISM 07 Sep, 2023
SLIM 07 Sep, 2023
ALOS-3 07 Mar, 2023
ISTD-3 07 Oct, 2022
JDRS 1 29 Nov, 2020
HTV9 21 May, 2020
IGS-Optical 7 09 Feb, 2020
View all JAXA Missions

nasa

Name Date
NEO Surveyor 01 Jun, 2028
Libera 01 Dec, 2027
Artemis III 30 Sep, 2026
Artemis II 30 Sep, 2025
Europa Clipper 10 Oct, 2024
SpaceX CRS-29 09 Nov, 2023
Psyche 13 Oct, 2023
DSOC 13 Oct, 2023
Psyche Asteroid 05 Oct, 2023
Expedition 70 27 Sep, 2023
View all NASA Missions