The article "Industry Forum" appeared in the July/August 1985 issue of Gear Technology.
In response to Ed Uberts letter, we have come a long way in gearing since WWII. The Europeans do use long addendum pinions in many cases. This modification does improve load capacity, sliding conditions and the working life of a gearset. When modifying a pinion tooth it is necessary to modify the gear tooth or adjust the center distance accordingly but we will leave that to the designers.
The article "Industry Forum" should appear in the box below, but if you do not see it, you can download it here.