World Fishing, Volume 2IPC Industrial Press, 1953 - Fisheries |
From inside the book
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Page 50
... INCREASE % INCREASE IN EFFECTIVE THRUST & EQUIVALENT POWER INCREASE WITHOUT NOZZLE FIG . 20 190 180 70 ALL AT CONSTANT SPEED 50 40 EQUIVALENT POWER INCREASE WITHOUT NOZZLE INCREASE IN EFFECTIVE THRUST WITH NOZZLE BLACK DOTS REPRESENT ...
... INCREASE % INCREASE IN EFFECTIVE THRUST & EQUIVALENT POWER INCREASE WITHOUT NOZZLE FIG . 20 190 180 70 ALL AT CONSTANT SPEED 50 40 EQUIVALENT POWER INCREASE WITHOUT NOZZLE INCREASE IN EFFECTIVE THRUST WITH NOZZLE BLACK DOTS REPRESENT ...
Page 51
... increase of thrust at constant speed ( 4 knots ) with nozzle is 36 per cent , and that the power increase necessary to give the same result without nozzle is 59 per cent . These results are of interest to the owner who either wishes to ...
... increase of thrust at constant speed ( 4 knots ) with nozzle is 36 per cent , and that the power increase necessary to give the same result without nozzle is 59 per cent . These results are of interest to the owner who either wishes to ...
Page 52
... increase his trawling speed by increasing the power of the engine . The upper curve of fig . 2b shows that the equivalent power increase without nozzle to achieve the increased speed would be 42 per cent . The trawling power would ...
... increase his trawling speed by increasing the power of the engine . The upper curve of fig . 2b shows that the equivalent power increase without nozzle to achieve the increased speed would be 42 per cent . The trawling power would ...
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Common terms and phrases
appear Authority Board boats British built carried catch cent coast considerable construction continued cost countries course craft crew deck Diesel direct effect engine equipment experience fact factory Fisheries fishermen fishing industry fishing vessels fitted fleet further gear give Government Grimsby grounds hand Hull important improved increase industry installed interest landed length less limits marine marked means meeting ment method miles motor nets North Office operating owners period port position possible present problems production propeller range recently record reduction running season ship shoals side skipper South speed steam supply taken tion tons trawl trawler United weather whale winch