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Electromagnetic Inertial Propulsion System

Initial report on project aimed to develop new way of space travel. This engine is based on electromagnetism. It utilizes a delay between two moments: when force field is created and when it acts on object. Currently there is a attempt to build levitator using proper oscillator/impulsator, coil and permanent magnet. This is not a science fiction idea. There are other teams trying to achieve the same by different methods. Here is short scientific abstract from adsabs.harvard.edu Experiments performed by independent research teams, suggesting that ``propellantless'' propulsion without external assistance is being achieved by means of electromagnetic inertia manipulation, are discussed here and compared within the framework of competing theoretical formulations. The authors' theory relies upon the fact that the electromagnetic (EM) field can exhibit a whole non-vanishing momentum in the ``matter'' frame, even for stationary regimes, provided Minkowski's energy-momentum tensor holds for EM fields in matter. In a closed system this EM momentum can be converted into mechanical momentum, so that electromagnetic inertia intervenes to modify the inertial properties of the generating device. Another theory, set forth by Corum and based on Slepian's works, states that the inertia manipulation effect stems from the Heaviside force density in vacuum, which is shown to lead to a zero instantaneous volume integrated force on a closed system. Although the system momentum is not conserved in the reported experiments, the propulsion effect is shown to be consistent with an alternative formulation of Minkowski's EM force density that correctly predicts former peer-reviewed experimental results. A fourth theory by J. Woodward, based on ``Machian'' mass/inertia fluctuations due to transient mass modifications, purportedly predicts the observed results but flaws are found in the predictions which, when corrected, considerably disagree with the experimental data. Finally, recent developments in vacuum physics allow building a conceptual framework with the potential of resolving the apparent violation of momentum conservation, closely connected to Minkowski's energy momentum tensor and its lack of symmetry.