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Small electric thruster April 10, 2012

Posted by Mark Flavin in Technology.
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thruster schematic 2

Image courtesy of MicroThrust

A European consortium is working on a really smart idea for flying a small sattellite on almost no fuel. The program is called MicroThrust and it is amazing and ingenious. It uses MEMS Micro Electro Mechanical Systems to create an ion thruster in a very small package with one version weighing in at 200 grams. The intended use is to allow micro-sattellites (1-100 kg) the ability to freely change orbital parameters including reaching lunar orbit on 1/10 of a liter of fuel!

Slow and steady thrust is the key. The MicroThrusters run continuously producing low thrust but constant thrust which equals constant acceleration. Electric propulsion is a very interesting and exciting branch of propulsion engineering that has incredible potential for a variety of reasons.

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