მაისი 20, 2014
181
This project is very easy to do!
Needed: an aluminium can, a thin copper plate, two spacers of rubber, a motor of 2 volts photocopier, propeller, 1 liter of water with 2-3 tablespoons of salt. The duration of the time of rotation of the motor is over 7 minutes.
Needed: an aluminium can, a thin copper plate, two spacers of rubber, a motor of 2 volts photocopier, propeller, 1 liter of water with 2-3 tablespoons of salt. The duration of the time of rotation of the motor is over 7 minutes.