Scherzer Rolling Lift Bridge

Our model is based on a bridge built in the early 1900 s and was designed by the scherzer rolling lift bridge co.

Scherzer rolling lift bridge.

At north station the boston maine a terminal in beantown some 20 or more tracks funnel into 8 tracks to cross a narrow channel on 4 massive scherzer rolling lift bridges that are famous in the bridge building world. Eight track bascule bridge cook county illinois built 1909. The scherzer rolling lift bridge is a form of bascule bridge which use a counterweight to balance the movement of the bridge as it opens. Animation of a rolling lift bridge such as the pegasus bridge the rolling lift trunnion sometimes a scherzer rolling lift raises the span by rolling on a track resembling a rocking chair base.

The rotation axis occurs at the pinion point which is located along a toothed rack. Unlike a drawbridge it roles up and out of the way. Preview this book. It has a bridge end and a weight ends and a roller between them when the bridge is opened to let boats through.

His design pivots the bridge like a rocking horse. Want to replicate bridge on the ny lbrr at the manasquan river. The friction is lowered because it is rolling friction. Have never done any scratch building but would like to attempt a rolling lift bridge in o scale.

Scherzer rolling lift bridge company 1908 drawbridges 60 pages. His last engineering work before he died done in 1893 was the design of two of these rolling lift bridges in chicago. Rolling lift bridge mechanism. Scratch build a scherzer rolling lift bridge.

Scherzer was the inventor of a refinement of the bascule bridge called the scherzer rolling lift bridge. The bridge has a counterweight and raises with a rolling lift motion that moves the bridge up and out of the way. It is really something to see. The scherzer rolling lift is a refinement patented in 1893 by the american engineer william donald scherzer.