At 6:35 PM -0700 10/14/00, David Ilvedson wrote: >Yeah, I was just telling that to my wife this evening...;-] > >David I. > > > Just a quick response to a line in Richard Brekne's post: > > > The energy lost in friction at the teeth [action part contact profiles] > > > and at the bearings is...less during recess [above the line between > > > centers] than during approach [below it]...During approach the >teeth [parts], > > > while sliding on each other, are pushing into mesh, while during recess > > > they are drawing out of mesh. Gears [actions] would therefore be more > > > efficient and durable if the action were confined to recess. You dog, you! <g> Mr. Bill
This PTG archive page provided courtesy of Moy Piano Service, LLC