this is first-born’s science experiment. with the help of his father, he assembled a tamiya car and installed a propeller to use wind, not engine to make the car move.
the catch though is, instead of the vehicle moving against the wind, the car moves toward the wind. the car’s propeller does not push the car but pulls it and turns the wheel to go to the direction of the wind. pretty interesting, hmm.
as first-born explains it, there are many wind powered vehicles. though his car uses wind energy as an external power source, it’s the direction of the car that makes his experiment unique.
and i may say it’s quite impressive!
by the way, his experiment was his section’s entry for the school’s science fair.