JPS5695784A - Stern shape of lower hull of semisubmerged multibody boat - Google Patents
Stern shape of lower hull of semisubmerged multibody boatInfo
- Publication number
- JPS5695784A JPS5695784A JP16990679A JP16990679A JPS5695784A JP S5695784 A JPS5695784 A JP S5695784A JP 16990679 A JP16990679 A JP 16990679A JP 16990679 A JP16990679 A JP 16990679A JP S5695784 A JPS5695784 A JP S5695784A
- Authority
- JP
- Japan
- Prior art keywords
- stern
- lower hull
- semisubmerged
- multibody
- boat
- 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
Landscapes
- Structure Of Transmissions (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
PURPOSE: To prevent the fall of the actual waterline on the voyage to heighten propelling efficiency, by shaping the stern of the lower hull of a semisubmerged multibody boat with a propeller at its rear end so that the point of intersection of the top line of the longitudinal section of the stern with its bottom line is located above the center line.
CONSTITUTION: The stern of the lower hull 1 of a semisubmerged multibody boat having a propeller shaft 6 and a propeller 4 at the rear end is shaped so that the point P of intersection of the top line 1c of the longitudinal section of the stern with its bottom line 1d is located above the center line and the propeller shaft 6 is supported by a slug 7 secured along the bottom line 1d of the lower hull 1. As a result, the downward component of a water flow F' along the top line 1c is restricted, the upward component of another water flow F" along the bottom line 1d is increased, the fall Δh of the actual waterline La on the voyage is prevented and the propelling efficiency of the propeller 4 is heightened.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16990679A JPS5844510B2 (en) | 1979-12-26 | 1979-12-26 | Lower hull stern shape of semi-submersible multihull |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16990679A JPS5844510B2 (en) | 1979-12-26 | 1979-12-26 | Lower hull stern shape of semi-submersible multihull |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5695784A true JPS5695784A (en) | 1981-08-03 |
JPS5844510B2 JPS5844510B2 (en) | 1983-10-04 |
Family
ID=15895153
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16990679A Expired JPS5844510B2 (en) | 1979-12-26 | 1979-12-26 | Lower hull stern shape of semi-submersible multihull |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5844510B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58194691A (en) * | 1982-05-04 | 1983-11-12 | ヘルベルト・シユネ−クル−ト | Water-current inducing surface of stern of screw propeller ship |
-
1979
- 1979-12-26 JP JP16990679A patent/JPS5844510B2/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58194691A (en) * | 1982-05-04 | 1983-11-12 | ヘルベルト・シユネ−クル−ト | Water-current inducing surface of stern of screw propeller ship |
JPH0366197B2 (en) * | 1982-05-04 | 1991-10-16 | Shuneekuruuto Heruberuto |
Also Published As
Publication number | Publication date |
---|---|
JPS5844510B2 (en) | 1983-10-04 |
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