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A power source for a vehicle includes at least one toroidal ring positioned in a housing. The toroidal ring includes magnetic material such as permanent magnets. The toroidal ring is magnetically levitated in the housing. A propulsion winding is coupled with the housing and energizable via a power s

A power source for a vehicle includes at least one toroidal ring positioned in a housing. The toroidal ring includes magnetic material such as permanent magnets. The toroidal ring is magnetically levitated in the housing. A propulsion winding is coupled with the housing and energizable via a power signal to move the toroidal ring. Once moving, the magnetic material and the propulsion winding cooperate to produce electrical power and/or provide a stabilizing effect for the vehicle. In some applications, such as in an aircraft application, two or more toroidal rings may be used and rotated at counter directions so as to produce a predetermined net angular momentum.

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The invention claimed is: 1. An apparatus for powering a vehicle, the apparatus providing electrical power to the vehicle and providing stability to the vehicle, the apparatus comprising: a vehicle fuselage having a toroidal cavity with an internal pressure that is less than standard atmospheric pr

The invention claimed is: 1. An apparatus for powering a vehicle, the apparatus providing electrical power to the vehicle and providing stability to the vehicle, the apparatus comprising: a vehicle fuselage having a toroidal cavity with an internal pressure that is less than standard atmospheric pressure; a toroidal ring positioned in the toroidal cavity, the toroidal ring including a magnetic material; propulsion winding coupled with the fuselage and configured to generate an alternating magnetic field in the toroidal cavity to move the toroidal ring in response to a first power signal; means for magnetically levitating the toroidal ring; and electrical means for transferring power from the toroidal ring to the vehicle. 2. The apparatus of claim 1, wherein the propulsion winding is configured to cooperate with the magnetic material, while the toroidal ring is moving, to generate an amount of electrical power. 3. The apparatus of claim 2, wherein the propulsion winding is configured to provide electrical power to other electrical circuits. 4. The apparatus of claim 1, wherein the toroidal cavity has a substantially circular-shaped cross-section. 5. The apparatus of claim 1, wherein the toroidal ring comprises a carbon fiber composite material. 6. The apparatus of claim 1, wherein the toroidal ring has an outer diameter of about three feet to about fifty feet. 7. The apparatus of claim 1, wherein the toroidal ring has a cross-sectional diameter of about one inch to about six inches. 8. The apparatus of claim 1, wherein the magnetic material comprises a permanent magnet. 9. The apparatus of claim 8, wherein the permanent magnet is embedded in the toroidal ring. 10. The apparatus of claim 8, wherein the permanent magnet forms a portion of a Halbach array. 11. The apparatus of claim 8, wherein the permanent magnet is formed from a lanthanide alloy. 12. The apparatus of claim 1, wherein the magnetic material comprises a powdered magnetic material coupled with the toroidal ring. 13. The apparatus of claim 1, wherein the propulsion winding comprises a superconducting electromagnet. 14. The apparatus of claim 1, wherein the propulsion winding comprises at least one coil. 15. The apparatus of claim 1, wherein the propulsion winding is formed from a niobium alloy. 16. The apparatus of claim 1, wherein at least a portion of the magnetic material is positioned within at least a portion of the alternating magnetic field generated by at least a portion of the propulsion winding. 17. The apparatus of claim 1, wherein the propulsion winding forms a portion of a motor-generator. 18. The apparatus of claim 1, wherein the first power signal is an alternating current signal. 19. The apparatus of claim 1, wherein the first power signal powers a first portion of the propulsion winding for a first time period and a second portion of the propulsion winding for a second time period. 20. The apparatus of claim 1, wherein the propulsion winding is configured to generate an alternating magnetic field in the toroidal cavity to rotate the toroidal ring to a rotational speed of about 10,000 revolutions per minute to about 85,000 revolutions per minute. 21. The apparatus of claim 1, further comprising a control circuit configured to produce the first power signal. 22. The apparatus of claim 21, wherein the control circuit is configured to produce the first power signal using an external power source. 23. The apparatus of claim 21, further comprising a sensor coupled with the fuselage and the control circuit, the sensor producing a data signal indicative of the rotational speed of the toroidal ring. 24. The apparatus of claim 23, wherein the control circuit is configured to adjust the first power signal in response to the data signal. 25. The apparatus of claim 1, further comprising a cooling system configured to cool the propulsion winding. 26. The apparatus of claim 1, further comprising a levitation winding coupled with the fuselage and configured to generate a magnetic field to levitate the toroidal ring in the toroidal cavity. 27. The apparatus of claim 26, wherein the levitation winding includes an electromagnet configured to generate the magnetic field in response to a second power signal. 28. The apparatus of claim 26, wherein the levitation winding includes a laminated material having a number of parallel slots. 29. The apparatus of claim 26, wherein the levitation winding forms a Litz wire ladder track. 30. The apparatus of claim 26, wherein the fuselage comprises a protrusion extending into the toroidal cavity, the levitation winding being coupled with the protrusion. 31. The apparatus of claim 1, wherein the fuselage includes a protrusion extending into the toroidal cavity, the propulsion winding being coupled with the protrusion. 32. The apparatus of claim 1, wherein the vehicle is an aircraft. 33. The apparatus of claim 1, wherein the toroidal ring includes an inner cavity. 34. The apparatus of claim 1, wherein the propulsion winding is configured to generate power for a thrust apparatus of the vehicle. 35. The apparatus of claim 1, wherein the toroidal ring is configured to increase the stability of the vehicle while the toroidal ring is moving. 36. The apparatus of claim 1, further comprising means for stabilizing the vehicle. 37. The apparatus of claim 1, further comprising means for transferring electrical power from the ring to the vehicle, and means for providing gyroscopic stability to the vehicle. 38. An aircraft comprising: a fuselage; a housing surrounding the fuselage and defining a toroidal cavity; a toroidal ring positioned in the toroidal cavity and having a magnetic material coupled therewith; a propulsion winding coupled with the housing and configured to generate an alternating magnetic field in the toroidal cavity to rotate the toroidal ring in response to a power signal and to otherwise cooperate with the magnetic material, while the toroidal ring is rotating, to generate electrical power; a levitation winding coupled with the housing and configured to generate a magnetic field to levitate the toroidal ring in the toroidal cavity; a first number of rotor blades coupled with the fuselage; means for rotating the first number of rotor blades; a control circuit configured to produce the power signal; and electrical means for transferring power from the toroidal ring to the aircraft; wherein the toroidal cavity has an internal pressure that is less than standard atmospheric pressure. 39. A power source for a vehicle, the power source comprising a housing defining a first toroidal cavity depressurized to form a vacuum and a second toroidal cavity depressurized to form a vacuum; a first toroidal ring positioned in the first toroidal cavity and having a first magnetic material coupled thereto; a first propulsion winding coupled with the housing and configured to generate a first alternating magnetic field in the first toroidal cavity to move the first toroidal ring to rotate in a first direction in response to a first power signal; a second toroidal ring positioned in the second toroidal cavity and having a second magnetic material coupled thereto; and a second propulsion winding coupled with the housing and configured to generate a second alternating magnetic field in the second toroidal cavity to move the second toroidal ring to rotate in a second direction different from the first direction in response to a second power signal. 40. The apparatus of claim 39, further including yaw control of the vehicle by adjusting rotation speeds of one or both of the toroidal rings. 41. A power source for a vehicle, the power source comprising a housing defining a first toroidal cavity depressurized to form a vacuum and a second toroidal cavity depressurized to form a vacuum; a first toroidal ring positioned in the first toroidal cavity and having a first magnetic material coupled thereto; a first propulsion winding coupled with the housing and configured to generate a first alternating magnetic field in the first toroidal cavity to move the first toroidal ring in response to a first power signal to spin the first toroidal ring at a rotational speed of from about 40,000 rpm to about 85,000 rpm; a second toroidal ring positioned in the second toroidal cavity and having a second magnetic material coupled thereto; a second propulsion winding coupled with the housing and configured to generate a second alternating magnetic field in the second toroidal cavity to move the second toroidal ring in response to a second power signal, and electrical means for transferring power from the rings to the vehicle. 42. A power source for a vehicle, the power source comprising: a housing defining a first toroidal cavity and a second toroidal cavity; a first toroidal ring positioned in the first toroidal cavity and having a first magnetic material coupled thereto; a first propulsion winding coupled with the housing and configured to generate a first alternating magnetic field in the first toroidal cavity to move the first toroidal ring to rotate at a first speed in response to a first power signal; a second toroidal ring positioned in the second toroidal cavity and having a second magnetic material coupled thereto; and a second propulsion winding coupled with the housing and configured to generate a second alternating magnetic field in the second toroidal cavity to move the second toroidal ring to rotate at a second speed in response to a second power signal; wherein each of the first and second toroidal cavities has an internal pressure that is less than standard atmospheric pressure. 43. The apparatus of claim 42, wherein the first magnetic material includes a first permanent magnet and the second magnetic material includes a second permanent magnet. 44. The apparatus of claim 43, wherein the first and second permanent magnets are formed from a lanthanide alloy. 45. The apparatus of claim 43, wherein at least one of the first and the second permanent magnet forms a portion of a Halbach array. 46. The apparatus of claim 42, wherein first and second propulsion windings are formed from a niobium alloy. 47. The apparatus of claim 42, wherein the first and second power signals are alternating current signals. 48. The apparatus of claim 42, further comprising a first sensor and a second sensor coupled with the housing and a control circuit, the first sensor producing a first data signal indicative of a rotational speed of the first toroidal ring and the second sensor producing a second data signal indicative of a rotational speed of the second toroidal ring. 49. The apparatus of claim 42, wherein the vehicle is an aircraft. 50. The apparatus of claim 42, wherein the first and second toroidal rings are configured to provide stability to the vehicle while the first and second toroidal rings are moving. 51. The apparatus of claim 42, further including yaw control of the vehicle by adjusting rotation speeds of one or both of the toroidal rings. 52. The apparatus of claim 42, further including a control for adjusting the relative rotation speeds of the toroidal rings. 53. The apparatus of claim 42, wherein the first toroidal ring includes a first vertical axis and the second toroidal ring includes a second vertical axis, the first and second vertical axes being substantially aligned. 54. The apparatus of claim 53, further comprising a control circuit configured to produce the first and second power signals. 55. The apparatus of claim 54, wherein the control circuit is configured to control the rotational speeds of the first and second toroidal rings such that the rotation of the first and second toroidal rings generates a predetermined net angular momentum. 56. The apparatus of claim 54, wherein the control circuit is configured to produce the first and second power signals using an external power source. 57. The apparatus of claim 53, further comprising (i) a first levitation winding coupled with the housing and configured to generate a first magnetic field to levitate the first toroidal ring in the first toroidal cavity and (ii) a second levitation winding coupled with the housing and configured to generate a second magnetic field to levitate the second toroidal ring in the second toroidal cavity. 58. The apparatus of claim 57, wherein the first levitation winding comprises a first electromagnet configured to generate the first magnetic field in response to a third power signal and the second levitation winding comprises a second electromagnet configured to generate the second magnetic field in response to a fourth power signal. 59. The apparatus of claim 57, wherein the first and second levitation windings are formed from a laminated material having a number of parallel slots. 60. The apparatus of claim 42, wherein the first propulsion winding comprises a first electromagnet configured to generate the first alternating magnetic field to rotate the first toroidal ring to a first rotational speed and the second propulsion winding comprises a second electromagnet configured to generate the second alternating magnetic field to rotate the second toroidal ring to a second rotational speed. 61. The apparatus of claim 60, wherein the first and the second rotational speeds are approximately equal. 62. The apparatus of claim 60, wherein the first and second rotational speeds are about 45,000 revolutions per minute to about 85,000 revolutions per minute.