KRAKsat

World’s first nanosatellite using ferrofluid to control its position
logo_kraksat
ico-kraksat-01

Attitude control Proof of Concept

ico-kraksat-02

Experimental ferrofluid reaction wheel

ico-kraksat-03

Co-developed with AGH University of Science and Technology and the Jagiellonian University

Subsystems

Ferrofluid flywheel
  • Ferrofluid filled torus-shaped container made of steel
  • Electromagnets inducing magnetic field
  • IMU (gyros, accelerometer, magnetometer)
  • Aluminium cover
  • Main processor: MSP430FR
  • 16 MHz, 2 MB MRAM, 256 KB FRAM
  • Ultra Low-Power Modes
  • 2 × UHF
  • Operational frequency 435-438 MHz
  • Transmission data rate 9,6 kb/s (option for 64 kb/s)
  • Range 400-500 km
  • Orientation accuracy: ~2 deg
  • Maximum random offset below 0,5 deg/s/axis
  • Open circuit voltage: 6,3 V
  • Solar panels efficiency 22%
  • 1U Structure
  • CNC manufactured of Aluminium 7075 alloy
  • Hard anodized and oxidized
For more information please visit KRAKsat website.