Scherzer Rolling Lift Bridge

Rolling lift bridge mechanism.

Scherzer rolling lift bridge.

Unlike a drawbridge it roles up and out of the way. Preview this book. 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. Our model is based on a bridge built in the early 1900 s and was designed by the scherzer rolling lift bridge co.

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. The scherzer rolling lift is a refinement patented in 1893 by the american engineer william donald scherzer. His design pivots the bridge like a rocking horse. Have never done any scratch building but would like to attempt a rolling lift bridge in o scale.

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. Scherzer rolling lift bridge company 1908 drawbridges 60 pages. The bridge has a counterweight and raises with a rolling lift motion that moves the bridge up and out of the way. Scratch build a scherzer rolling lift bridge.

The friction is lowered because it is rolling friction. Created by william scherzer and following his 1893 death continued by younger brother albert scherzer this firm defended its right to exclusively build patented rolling lift bascule bridges. His last engineering work before he died done in 1893 was the design of two of these rolling lift bridges in chicago. The scherzer rolling lift bridgeis a rolling lift bridge designed by william scherzer this type of bridge is like a drawbridge.

Eight track bascule bridge cook county illinois built 1909. Scherzer was the inventor of a refinement of the bascule bridge called the scherzer rolling lift bridge. Scratch build a scherzer rolling lift bridge. It is really something to see.