Category: 17 – Gear Systems with Whole Number Ratios
Build by Pau.
We compare the number of revolutions. With the remote control for trains we can control the speed of the motors, so that we can count the revolutions.
Dad didn’t want to wait. So he built the model by himself. Only the visible black pin is from me.
The models are becoming bigger. But thanks to detailed pictures it isn’t too difficult.
The challenge in today’s session. Where to start was the question.