Gear Train Puzzles: Which Way Does the Last Gear Turn?
Meshing gears turn opposite ways, so count the contacts. Learn why odd rings jam, how belts change direction, and solve a worked gear train puzzle.
Riddle10 blog
Riddle10 blog
Meshing gears turn opposite ways, so count the contacts. Learn why odd rings jam, how belts change direction, and solve a worked gear train puzzle.