STEAM LAUNCH 'PUFFIN'
H.S.L. 256
Technical Information
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Built | 1919
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Builder | J.T.Crampton, Portsmouth
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Designer | Admiralty
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Hull | 52'6" Length, 12'6"
Beam, 5'3" Draught
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Hull construction | Double
diagonal teak on Pitch pine frame
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Tonnage |
31 tons (Thames
measurement)
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Max. Speed | 8 knots
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Screw | Bronze 3 blade. 46" dia. x 59" pitch
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Machinery |
Main Engine: Open inverted steam compound reciprocating engine. Built 1919 by Plenty & Sons Ltd. Newbury. 8" and 16" bore by 8" stroke. 75 indicated horse power. Complete with engine driven feed and air pumps and surface condenser. Auxiliaries: i) Single cylinder steam circulating engine by Mumford & Co. ii) General service 'banjo' style steam pump for boiler feed and bilge pumping. By Mumford & Co. Boiler: The original boiler was made by Ruston Hornsby Ltd and would have been almost identical to the current boiler The current boiler is a coal fired single furnace return flue 'Scotch' style by Alexander Anderson, Motherwell. Working pressure, 120 P.S.I. (This boiler came from HSL 301 'Kathleen' of 1942)
Click on the thumbnails below for some of the original drawings for HSL 256 and similar HSL's
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