Avoiding any need for bulky gaseous propellant storage, an associated electrolyser runs a 20-watt current through water to produce hydrogen and oxygen to propel the thruster.
The ICE-Cube Thruster is so small in scale - with its combustion chamber and nozzle measuring less than 1mm in length - that it could only be assembled using a MEMS (Micro-Electrical Mechanical Systems) approach, borrowing methods from the microelectronics sector.
A test campaign achieved 1.25 millinewtons of thrust at a specific impulse of 185 seconds on a sustained basis. Testing took place through an ESA General Support Technology Programme De-Risk activity, to prove the thruster's feasibility in a laboratory testing.
The experimental data gathered during this activity will help guide development of a flight-representative 'Engineering Model' of the propulsion system, including the electrolyser. This development will be led by URA Thrusters in collaboration with Imperial.
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