JPS5472891A - Method of steering frozen sea ship and ship thereof - Google Patents

Method of steering frozen sea ship and ship thereof

Info

Publication number
JPS5472891A
JPS5472891A JP14089377A JP14089377A JPS5472891A JP S5472891 A JPS5472891 A JP S5472891A JP 14089377 A JP14089377 A JP 14089377A JP 14089377 A JP14089377 A JP 14089377A JP S5472891 A JPS5472891 A JP S5472891A
Authority
JP
Japan
Prior art keywords
ship
draft
turning
projections
sea
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP14089377A
Other languages
Japanese (ja)
Inventor
Hitoshi Narita
Hiroshi Tabuchi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsui Engineering and Shipbuilding Co Ltd
Original Assignee
Mitsui Engineering and Shipbuilding Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsui Engineering and Shipbuilding Co Ltd filed Critical Mitsui Engineering and Shipbuilding Co Ltd
Priority to JP14089377A priority Critical patent/JPS5472891A/en
Publication of JPS5472891A publication Critical patent/JPS5472891A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To enable obtaining of extremely small icecrushing resistance of a frozen sea ship at linear sailing time and of sufficient turning performance at turning time, and of transportation of articles or the like in frozen sea icy waters.
CONSTITUTION: There are provided projections 2 at the stem of the hull 1 of a frozen sea ship and ballast tanks 4a to 4c at the stem, sides of hold 3, bottom, and stern. The draft of the hull can be altered between linear draft WL1 and turning draft WL2 by means of the ballast tanks 4a to 4c, and the projections 2 make contact with ice plates on the sea surface at the turning draft WL2 time. Accordingly, when the hull 1 is turned in the icy waters, it retains the turning draft WL2 to destroy the ice plates via the projections 2 to form open sea surface of broader width than the width of the ship in the amount of the projections 2 so as to thereby easily steer the ship. When the ship sails linearly in non-icy waters or icy waters, the linear draft WL1 is retained so as to dispose the projects 2 above the sea surface.
COPYRIGHT: (C)1979,JPO&Japio
JP14089377A 1977-11-24 1977-11-24 Method of steering frozen sea ship and ship thereof Pending JPS5472891A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14089377A JPS5472891A (en) 1977-11-24 1977-11-24 Method of steering frozen sea ship and ship thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14089377A JPS5472891A (en) 1977-11-24 1977-11-24 Method of steering frozen sea ship and ship thereof

Publications (1)

Publication Number Publication Date
JPS5472891A true JPS5472891A (en) 1979-06-11

Family

ID=15279229

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14089377A Pending JPS5472891A (en) 1977-11-24 1977-11-24 Method of steering frozen sea ship and ship thereof

Country Status (1)

Country Link
JP (1) JPS5472891A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4369725A (en) * 1978-06-30 1983-01-25 Mitsui Engineering & Shipbuilding Co., Ltd. Method and means for increasing the maneuverability of a ship in ice-covered waters
JP2008521685A (en) * 2004-12-31 2008-06-26 広州広船国際股▲ふん▼有限公司 Hull

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4369725A (en) * 1978-06-30 1983-01-25 Mitsui Engineering & Shipbuilding Co., Ltd. Method and means for increasing the maneuverability of a ship in ice-covered waters
JP2008521685A (en) * 2004-12-31 2008-06-26 広州広船国際股▲ふん▼有限公司 Hull

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