GB209699A - Improvements in or relating to surface propulsion boats - Google Patents

Improvements in or relating to surface propulsion boats

Info

Publication number
GB209699A
GB209699A GB4800/23A GB480023A GB209699A GB 209699 A GB209699 A GB 209699A GB 4800/23 A GB4800/23 A GB 4800/23A GB 480023 A GB480023 A GB 480023A GB 209699 A GB209699 A GB 209699A
Authority
GB
United Kingdom
Prior art keywords
plates
propeller
rudders
relating
surface propulsion
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
GB4800/23A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB209699A publication Critical patent/GB209699A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H5/00—Arrangements on vessels of propulsion elements directly acting on water
    • B63H5/07—Arrangements on vessels of propulsion elements directly acting on water of propellers
    • B63H5/16—Arrangements on vessels of propulsion elements directly acting on water of propellers characterised by being mounted in recesses; with stationary water-guiding elements; Means to prevent fouling of the propeller, e.g. guards, cages or screens
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H1/00—Propulsive elements directly acting on water
    • B63H1/02—Propulsive elements directly acting on water of rotary type
    • B63H1/12—Propulsive elements directly acting on water of rotary type with rotation axis substantially in propulsive direction
    • B63H1/14—Propellers
    • B63H1/18—Propellers with means for diminishing cavitation, e.g. supercavitation
    • B63H2001/185—Surfacing propellers, i.e. propellers specially adapted for operation at the water surface, with blades incompletely submerged, or piercing the water surface from above in the course of each revolution

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Vibration Prevention Devices (AREA)

Abstract

209,699. Hickman, W. A. Jan. 10, 1923, [Convention date]. Rudders. - Vessels fitted with a semisubmerged propeller are provided with fixtures designed to counteract the unbalanced lateral thrust of the propeller. This end is achieved by means of a plate or plates 42, 43, Fig. 3, secured to and extending aft of the stern. The plates may be stiffened by connecting them at the top by an arch 30 which serves as a splash guard. The plates may also be connected beneath the level of the water. Alternatively, the propeller is enclosed in a hollow open-ended cylinder. The twin rudders 60, Fig. 7, located at each extremity of the stem on outwardly-inclined pivots are actuated by rack and pinion gear 56, 57. In another form, the counterbalancing plates take the form of flexible plates 62, Fig. 8, which are linked together and flexed by suitable mechanism to serve as rudders. Specifications 5064/11 and 3951/15 are referred to.
GB4800/23A 1923-01-10 1923-02-19 Improvements in or relating to surface propulsion boats Expired GB209699A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US209699XA 1923-01-10 1923-01-10

Publications (1)

Publication Number Publication Date
GB209699A true GB209699A (en) 1924-06-19

Family

ID=21801599

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4800/23A Expired GB209699A (en) 1923-01-10 1923-02-19 Improvements in or relating to surface propulsion boats

Country Status (1)

Country Link
GB (1) GB209699A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2120192A (en) * 1982-05-18 1983-11-30 Kenneth Patrick Malcolm Dowson Sailing boat with twin rudders
WO2002070340A1 (en) * 2000-02-11 2002-09-12 Power Vent Technologies, Inc. Method for reducing vessel draft
US7022736B2 (en) 1998-07-27 2006-04-04 Istituto Di Ricerche Di Biologia Molecolare P Angeletti Spa Enzyme inhibitors

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2120192A (en) * 1982-05-18 1983-11-30 Kenneth Patrick Malcolm Dowson Sailing boat with twin rudders
US7022736B2 (en) 1998-07-27 2006-04-04 Istituto Di Ricerche Di Biologia Molecolare P Angeletti Spa Enzyme inhibitors
WO2002070340A1 (en) * 2000-02-11 2002-09-12 Power Vent Technologies, Inc. Method for reducing vessel draft

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