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| Satellite Propulsion Research Ltd Profile |
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Satellite Propulsion Research Ltd (SPR Ltd) was formed in October 2000 as the
corporate vehicle for progressing the development of a new form of electric
propulsion. This electromagnetic “EmDrive” technology provides direct conversion of
electrical energy to thrust, using radiation pressure at microwave frequencies in a
tapered, high Q, resonant cavity.
The first UK government funded programme was a feasibility study completed in
2002. This work confirmed the theoretical predictions in a large series of tests
using an experimental thruster. In addition, the huge potential savings for the space
industry were identified during the preparation of a business model.
Following an independent review of the feasibility study report, a Demonstrator
programme was authorised. This covered the design, manufacture and test of an S
Band Demonstrator Engine. The Engine successfully demonstrated viable
performance in both Static and Dynamic test programmes, and provided the basic
knowledge to design the Flight Model Thruster. Once again a full technical report
was prepared and reviewed before acceptance by the UK government.
A feasibility study is currently underway to investigate second generation
superconducting technology. This includes the design, build and test of an
experimental thruster operating at liquid nitrogen temperature.
A flight model development programme has started on a 300W, C band thruster,
specified to produce 85mN thrust.
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