March 10, 2012
Wind Challenge a the LEGO City
Wind is the theme for March.
The first plan is to make wind cars.
He programmed the RCX to go faster as the rotation sensor went faster.
The rotation sensor was on the propeller axle.
He programmed the NXT to go faster as the color sensor detected faster
color change.
The propeller had a red and a black blade.
Go by making wind with twisted rubberband.
Sail cars are still fun.
This one is to travel INTO the direction of the fan.
Wow!
Could a motorized propeller car go?
