August 27, 2012
Friction Car
Why should the wheels go on so that the yellow hub is closest to the beam?
Make the ramp by putting two 2 by 4 blocks together at one side of the green plate and turning it upside down.
Squeeze the wheels on the axle close to the sides of the car.
How far does the car travel now?
Move the wheels apart about a millimeter from the sides of the
car. How far can the car travel now?
What is the difference between the way the wheels are connected on
the car on the left
and the way the wheels are connected car on the right are connected?
Which way can make turning corners easier?
History
of LEGO
