31. But soon it was over, Thor's gear train fatally scrambled by a thrust of his opponent's polished spike. 32. The gearbox was a four-speed and reverse constant-mesh unit, with helical gear trains for second and third gear. 33. Those starters not employing offset gear trains like the Chrysler unit generally employ planetary epicyclic gear trains instead. 34. Those starters not employing offset gear trains like the Chrysler unit generally employ planetary epicyclic gear trains instead. 35. To scan the entire sky, the antenna is rotated around its vertical axis by a motor and gear train . 36. Speed-increasing gear trains were needed 37. And, if the input gear rotates slower than the output gear, then the gear train reduces the input torque. 38. The clock itself is lost, but Dondi left a complete description of the astronomic gear trains of his clock. 39. Most electric powered airless pumps have an electric motor connected through a gear train to the paint piston pump. 40. The escapement is driven by force from a coiled spring or a suspended weight, transmitted through the timepiece's gear train .
