Design Day: The two-speed winch
Inventors (Intermediate), mission I3 Gear Superpowers, lesson 5 of 6.
Hook
Gizmo City’s crane is broken, and a kitten’s basket is waiting to be lifted to the tree house.
Fair test
Test your prototype against every criterion. Change one thing, test again, and log each change.
Bonus challenge
Which setting is faster? Which feels easier? Explain with the word “ratio”.