Summary

• Solid fuel microthrusters demonstrated

  • Successful test-stand firing
  • World’s smallest rocket engine

• High power: 100 Watts demonstrated

• High reliability and repeatability

  • 8 out of 8 on one wafer

• Initial challenges:

  • Ignition of typical solid propellants difficult
  • Portion of fuel expelled before combustion
  • Interlayer bonding

• Next Generation: Igniters on top

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