The Havørn rocket motor

The motor was designed in 2013 and completed in April 2014. This was our first motor with KNER propellant for longer burn time. For this motor we also measured the chamber pressure. We had 8 tests on this motor with over 30 seconds total burn time.

Specifications

  • Emty mass 4,5 kg 
  • Propellant mass 5,5 kg
  • Total mass 10 kg
  • Lenght 1100 mm
  • Diameter 90 mm
  • Aluminum burn chamber
  • Steel nozzle and top
  • Double o-ring seal nozzle and top
  • 40-50 bar nominal chamber pressure
  • 100 bar maximum chamber pressure
  • 5500 N·s, M classification