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well, that would require alot of energy

surface temperature vs core temperature of the coilyou would require a very good material

not thrust is needed.... energy is in needsuperconductors as suggested might be an option but usually these operate at temperatures little above the absolute zero. space however is not coldOur moon has no atmosphere and therefore can be considered to be in space.The temperatures there get as low as -243 F in shadow.... which is still is a temperature of 120 Kelvin. All known superconductors require temperatures much lower than that.And our moon as reference object also reaches a temperature of …

it does not have to be powerful, but it has to be bigand thats the problem

the principle is simpleevery conducting material generates a "weak" electro magnetic field around iteven a simple wire does a coil is practically just a method to bring alot of conducting material close together which as result increases the magnetic field strengtha coil without iron creates magnetic fields around the wire (the principle is that magnetic fields always will shape around the direction of the energy flow). this results in many different small magnetic fields in a coil.And iron cor…