List of Suggested Experiments

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This page compiles suggestions for as-yet untested variations in experiment designs for EmDrive testing. When possible, links to the original suggestion and a brief description of the justification for this test are provided.

Note: For purposes of this list, the baseline for experimentation is considered to be a copper fustrum with either a magnetron or coaxial RF feed operated at approximately 2.45Ghz, similar to Shawyer's Feasability Study

Design/Shape Modifications

  1. Replace solid endplates with a circular grid design similar to the endplates used by Cullen in his 1950's waveguide experiments, or a mesh as the one used for the glass windows in home-microwave-ovens, having a spacing between mesh or grids small enough such that only wavelengths smaller than that can get through. Purpose: to allow convection through the fustrum, eliminate buoyancy, thermal jet effects, natural thermal convection currents, and other gas effects.
  2. Imbed ferrite beads in the fustrum, either one large one on an endplate or a pattern of them on the sidewalls.[1]
  3. Separate resonance and attenuation chambers (proposed by WarpTech)

Fustrum Material Variations

  1. Build small end plate out of Metglas or a similar material with high magenetic permeability.[2]
  2. Fill a 24Ghz fustrum with ammonia gas[3]

Experimental Measurement Setups

References

  1. Forum post by Rodal summarizing several prior posts. Purpose: to increase attenuation gradient in TE modes.
  2. Forum post by Flyby referencing earlier posts. Purpose: to test implications of statements in Prof. Yang's paper regarding magnetic thrust forces being approx. 100x greater on the end plates than the side walls.
  3. Forum post by aero, in response to Rodal's explanation of the history of maser development. Purpose: To produce maser-like amplification inside the fustrum.