A solenoid is a coil wound into a tightly packed helix. A solenoid engine is an electrically powered engine in which the pistons are moved back and forth due to reversal of the piston electromagnet’s polarity in a loop. It is a very simple and low cost project which is easy to make.
Check out these links for Items I have used to make this engine
1) Enameled copper wire https://goo.gl/UVpCeG
2) Fan Blade https://goo.gl/xDgG8Y
3) Battery https://goo.gl/2J2evV
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