Methodology-------two solenoid coils have been held one after the other and a shaft is being housed between them. the basic definition of a solenoid is a cylindrical coil of wire which creates a magnetic field within itself when an electric current passes through it to draw a core of iron or steel within the coil. the solenoid generally uses electrically conductive, non-magnetic and insulated wire of specific length that is coiled or wrapped around a tube or hollow cylinder. the core, in general terms, is a magnetic object, a portion of which moves in at least a portion of the tube's interior. the passing of an electrical current through the wire coiled around the tube generates a corresponding magnetic field or force around the tube/wire coil. this effect, commonly known as the electro motive force (emf), denotes that the polarity and strength of the electrical current passing through the wire coil will correspondingly determine the polarity and strength of the resulting magnetic field or force. in this manner, the manipulation of the various attributes of the electrical current (e.g., polarity, duration and strength, etc.) respectively controls the attributes of the resulting magnetic field and the movement of the magnetic object in relation to the magnetic field. in controlling the electrical current to the solenoid or inducer, the subsequently created magnetic field draws, holds or expels the magnetic or polar object in relation to the interior of the wire wrapped tube. when the first coil is energized it will pull the shaft which in turn makes half rotation of the crank wheel. in the second set of coil the coil is energized in opposite direction which in turn makes another half rotation of the crank wheel and hence completes one full rotation. the speed is controlled by the accelerator through the circuit. the timing of energizing the coil is done by control circuit, which is activated by accelerator sector which governs the speed of spindle. the spindle is coupled on the rear axle of the vehicle, which drives the axle resulting the forward motion/movement. the chassis is made of mild steel flat and two number of wheels are fixed on the hub of the front axle and two number of wheels are fixed to the rear axle.. there is no steering mechanism in this model since it is at the initial stage of the technology. the vehicle has to be pushed for the starting momentum, it will continue the drive by magnetic propulsion. the batteries for the circuit is inbuilt in the vehicle and the battery used to drive the energizing of coils is external connected through the wires. parameters involved----------- • designing coils to generate electromagnetic force to pull the piston. • effecting cranking to rotate the drive gear which drives the driven gear mounted on the drive axle. • designing the circuit for speed control. power utilization----------------- the electromagnetic coils are supplied by 12vdc, may draw 25amps current. lead acid battery is used to give power and this battery can be recharged. overall size of the project-----------------------------680mm x 480mm x 500mm.
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