| 
  
 
 |  | Turbinia
 Turbinia, built in 1894 to demonstrate the capability 
        of steam-turbine power. 
         
          | Displacement: | 44.5 tons |  | Length (overall): | 103 ft. 9 in. |   
          | Beam: | 9 ft. |  | Depth of hull: | 7 ft. |   
          | Draught: | 3 ft. |  | Maximum speed: | 34.5 knots |   
          | Powerplant: | Three-stage 
            axial-flow Parsons steam turbine driving two 12 ft. 6 in. outer shafts, 
            each with three 18 in. diameter, 24 in. pitch propellers |   
          | Maximum Pwr: | 2,000 
            hp. |   
          | Three-drum 
            water-tube coal fired boiler with double ended 1,100 sq. ft. heating 
            surface. |   
          | Working pressure: | 200 
            lb/sq. in. (170 lb/sq. in. at the turbine) |   
          | Water req'd at 
            31 knots: | 27,000 
            lb/hr. |  
 Page from 'The Rolls Royce Magazine', 
        number 48, March 1991. 
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