Scherzer Rolling Lift Bridge

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Scherzer rolling lift bridge.

1911 bridge custom house quay dublin port and docks board george s dock infrastructure north wall. Our model is based on a bridge built in the early 1900 s and was designed by the scherzer rolling lift bridge co. Scratch build a scherzer rolling lift bridge. The bridge was 115ft long and carried street traffic.

Scherzer rolling lift span of girder construction fits model railroad situations with no compromising. Want to replicate bridge on the ny lbrr at the manasquan river. The first rolling lift bridge ever built was the 1895 opened van buren street bridge long since replaced by a newer bridge of a non rolling bascule type in the city of chicago and was patented by scherzer. The scherzer rolling lift bridge.

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. It has a bridge end and a weight ends and a roller between them when the bridge is opened to let boats through. The bridge has a counterweight and raises with a rolling lift motion that moves the bridge up and out of the. The first scherzer rolling lift bridge was built in 1895 to span the chicago river at van buren street.

Armitage the two pinions that ride the racks at each side of the bridge must turn together. Rolling lift bridge mechanism. Scherzer rolling lift bridge co. Can be made operable by ai b.

The scherzer rolling lift is a refinement patented in 1893 by the american engineer william donald scherzer. 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. The rarer rall type combines rolling lift with longitudinal motion on trunnions when opening. Have never done any scratch building but would like to attempt a rolling lift bridge in o scale.

One of the few surviving examples is the broadway bridge 1913 in portland oregon. Is a rolling lift bridge designed by william scherzer this type of bridge is like a drawbridge. Available in single and double track versions. The bridge span can be rotated upwards to almost 90 degrees which allows just about any type of traffic to pass under it without ever harming the bridge.

It was patented 1901 by theodor rall. Unlike a drawbridge it roles up and out of the way. Yet they are at too low a level to be connected by a direct shaft there would be no clearance for trains.