Rubber propelled boat

thingiverse

This is a rubber band propelled boat. You have to print twice parts A and B. Fix the support to the main part, fetch two rubber band, they must go through the wheel's axis , the support and the two parts 1, Fix the rubbers using parts B. In the wheel's axis, there is a separator, the rubbers must be on each side of it. Wind it up, put the boat on the water and release... The wheel roll far to fast, I wonder how to slow it down...