JPS574487A - Semi-submerged catamaran - Google Patents
Semi-submerged catamaranInfo
- Publication number
- JPS574487A JPS574487A JP7732980A JP7732980A JPS574487A JP S574487 A JPS574487 A JP S574487A JP 7732980 A JP7732980 A JP 7732980A JP 7732980 A JP7732980 A JP 7732980A JP S574487 A JPS574487 A JP S574487A
- Authority
- JP
- Japan
- Prior art keywords
- propeller
- strut
- semi
- submerged
- rear part
- 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.)
- Granted
Links
Abstract
PURPOSE: To reduce wave drag in the rear part of a propeller, by forming a strut above the propeller to bulge shape in a semi-submerged catamaran whose upper structure is mounted to the top part of a submerged body arranged with a propeller in its rear part through the strut.
CONSTITUTION: In a semi-submerged catamaran whose upper structure is mounted to the top part of a submerged body 1 arranged with a propeller 4 at its rear part through a strut 2, inner and outer surfaces of the strut 2 situated above the propeller 4 are formed into bulge shape 6. In this way, occurrence of propeller racing arising from level down of water in the vicinity of the propeller caused at sailing of a ship can be prevented to both increase sailing performance in waves and reduce wave drag thus improve propulsion performance.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7732980A JPS574487A (en) | 1980-06-09 | 1980-06-09 | Semi-submerged catamaran |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7732980A JPS574487A (en) | 1980-06-09 | 1980-06-09 | Semi-submerged catamaran |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS574487A true JPS574487A (en) | 1982-01-11 |
JPS6110354B2 JPS6110354B2 (en) | 1986-03-28 |
Family
ID=13630886
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7732980A Granted JPS574487A (en) | 1980-06-09 | 1980-06-09 | Semi-submerged catamaran |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS574487A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1996003310A1 (en) * | 1994-07-21 | 1996-02-08 | Mitsui Engineering & Shipbuilding Co., Ltd. | Semi-submerged catamaran |
-
1980
- 1980-06-09 JP JP7732980A patent/JPS574487A/en active Granted
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1996003310A1 (en) * | 1994-07-21 | 1996-02-08 | Mitsui Engineering & Shipbuilding Co., Ltd. | Semi-submerged catamaran |
GB2297728A (en) * | 1994-07-21 | 1996-08-14 | Mitsui Shipbuilding Eng | Semi-submerged catamaran |
US5694878A (en) * | 1994-07-21 | 1997-12-09 | Mitsui Engineering & Shipbuilding Co., Ltd. | Semi-submerged catamaran |
Also Published As
Publication number | Publication date |
---|---|
JPS6110354B2 (en) | 1986-03-28 |
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