Paper aeroplanes can fly but some people say that they glide. Helicopter seeds fly if you throw them, along with dandelion seeds. Birds fly and so do insects with wings like bees, flys, mosquitoes etc.
Electric BoatFans
Powered or non-powered?
They can never fly, unless with something powered.
Motor vehicles are powered by an engine or motor (gas, diesel, electric, etc.). Horse-drawn vehicles are powered by a horse.
Harry Houdini, during a tour, was asked if he cared to try the new flying machine before it had ever been actually flown.
Batteries
The battery-powered fly swatter is effective in eliminating pesky insects by electrocuting them upon contact.
dc series motor
An electric motor can power anything that needs mechanical torque.
1990
No.
A conveyor belt typically involves mechanical energy, as it is powered by an electric motor or another mechanical source to move items along its surface.