Bollinger recently gave new life to an old boat, the 150-ft. Guardian, originally named Gale B., which was built by Southern Shipyard in 1963. It was owned by Midland Enterprises and was part of a tug/barge unit with the hopper barge Martha B.
High-torque, low-speed hydraulic motors are being used on many paddlewheel vessels all over the world. This form of propulsion transmission and its benefits would appear to be attractive in other applications also. Hydrostatic drives are by no means