Video: Instructions for making ships by one-way engines

Very simple ingredients are just two 1.25l bottles of soft drink bottles, 1-way motors, homemade rotors and a few small accessories that you already have a ship running automatically. Its speed is quite impressive and just uses a switch to control.

Picture 1 of Video: Instructions for making ships by one-way engines
With just a few simple materials, one day a ship runs automatically, is it simple?

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