- Viper class destroyer
The "Viper" class was a group of two
Torpedo Boat Destroyer s (TBD) built for the BritishRoyal Navy in 1899.They were notable for being the first warships to use
steam turbine propulsion. They had Parsons turbines on four shafts, with twopropeller s on each, one inboard and one outboard of the shaft A-bracket.HMS "Viper" was ordered and built for the Royal Navy in 1899 by
Hawthorn Leslie and Company atHebburn on theRiver Tyne . HMS "Python" was built as a speculative venture by Hawthorns and was purchased in 1902."Viper" and another turbine-powered ship, the Vickers special-type HMS "Cobra" were both lost to accidents in 1901: "Viper" foundered on rocks in fog during naval manoevres near
Alderney on 3 August 1901, while "Cobra" broke her back in a storm in theNorth Sea on 18 September 1901. Since then the Royal Navy has not used snake names for destroyers; "Python" was renamed "Velox" soon after. "Velox" was rated as a C class type in 1913, that is a 30-knot TBD with 3 stacks.The ships were considered successes when acquired, achieving speeds of up to 36 knots on trials, and all subsequent British destroyers after the River or E class of 1903 used steam turbine machinery (until the all-
gas turbine Type 42 of 1971).
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