GB827908A - Improvements in or relating to stabilizer fin arrangements for ships - Google Patents

Improvements in or relating to stabilizer fin arrangements for ships

Info

Publication number
GB827908A
GB827908A GB2789157A GB2789157A GB827908A GB 827908 A GB827908 A GB 827908A GB 2789157 A GB2789157 A GB 2789157A GB 2789157 A GB2789157 A GB 2789157A GB 827908 A GB827908 A GB 827908A
Authority
GB
United Kingdom
Prior art keywords
main fin
fins
auxiliary
deflected
degrees
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.)
Expired
Application number
GB2789157A
Inventor
John Bell
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.)
Muirhead and Co Ltd
Original Assignee
Muirhead and 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 Muirhead and Co Ltd filed Critical Muirhead and Co Ltd
Priority to GB2789157A priority Critical patent/GB827908A/en
Publication of GB827908A publication Critical patent/GB827908A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B39/00—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude
    • B63B39/06—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude to decrease vessel movements by using foils acting on ambient water

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Physical Water Treatments (AREA)

Abstract

827,908. Ships'stabilizing fins. MUIRHEAD & CO. Ltd. Sept. 2, 1958 [Sept. 4, 1957], No. 27891/57. Class 113. A ship stabilizer comprises a main fin rotatable in an oscillatory manner and separate auxiliary fins, one on each side of the neutral position of the main fin, rotatable in time with the main fin to increase the lift thereof in each of the two directions of deflection of the main fin from the neutral position. In Fig. 2, the main fin 1 is associated with two auxiliary fins 2 so that when the main fin is deflected to its maximum angle (shown in phantom), it lines up with one of the auxiliary deflected fins 2. In Fig. 3, there are five auxiliary fins arranged symmetrically about the neutral position of the main fin. The assembly is shown with the main fin at maximum angle of tilt 20 degrees, the uppermost auxiliary being tilted to its maximum 50 degrees, the other auxiliaries assuming proportionately less angular defection down to the last one, which is deflected 20 degrees to the neutral. The proportion between the angles is maintained as the fins are turned together.
GB2789157A 1957-09-04 1957-09-04 Improvements in or relating to stabilizer fin arrangements for ships Expired GB827908A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2789157A GB827908A (en) 1957-09-04 1957-09-04 Improvements in or relating to stabilizer fin arrangements for ships

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2789157A GB827908A (en) 1957-09-04 1957-09-04 Improvements in or relating to stabilizer fin arrangements for ships

Publications (1)

Publication Number Publication Date
GB827908A true GB827908A (en) 1960-02-10

Family

ID=10266955

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2789157A Expired GB827908A (en) 1957-09-04 1957-09-04 Improvements in or relating to stabilizer fin arrangements for ships

Country Status (1)

Country Link
GB (1) GB827908A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3931781A (en) * 1974-11-18 1976-01-13 Larsh Everett P Stabilizer unit for marine vessels

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3931781A (en) * 1974-11-18 1976-01-13 Larsh Everett P Stabilizer unit for marine vessels

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