You can see the identical set-up on the Belle of Louisville today. More than likely the other steamboats still in operation have a similar arrangement. The wedges could be used for making certain the longitudinal center of the cylinder is the exact distance it is supposed to be from the shaft centerline. The shaft pillow blocks have a similar wedge-in-channel system. The wedges are bolted into position to hold them where driven. The bearings in the pitmans also are adjusted and held by wedges. What would you use in lieu of wedges?
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Threaded Mode
