A coal-burning steamship ferry of some 400-feet in length, the car and passenger RoRo SS Badger, was amazingly still in commercial operation on Lake Michigan last summer after fifty-nine years, but whether she’ll make her sixtieth anniversary depends upon the US Environmental Protection Agency (EPA).
SS Badger: Photo courtesy of Lake Michigan Carferry Service
Presently the last coal-feed steamship in operation on the Great Lakes, the Badger was honoured, amongst many organisations, by the American Society of Mechanical Engineers as a ‘Historic Mechanical Engineering Landmark’. The citation reads:‘The two 3,500-HP steeple compound unaflow steam engines powering SS Badger represent one of the last types of reciprocating marine steam engines. Built by the Skinner Engine Company, most unaflow engines are single expansion. These feature tandem high-and-low-pressure cylinders separated by a common head. The Badger’s four Foster-Wheeler Type D marine boiler... [More]
Avtron recently upgraded the T/S State of Michigan propulsion system with an Avtron ADD-32 Electric Drive System. [More]