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NZ701253A - Planing hull for rough seas - Google Patents

Planing hull for rough seas

Info

Publication number
NZ701253A
NZ701253A NZ701253A NZ70125313A NZ701253A NZ 701253 A NZ701253 A NZ 701253A NZ 701253 A NZ701253 A NZ 701253A NZ 70125313 A NZ70125313 A NZ 70125313A NZ 701253 A NZ701253 A NZ 701253A
Authority
NZ
New Zealand
Prior art keywords
hull
deadrise
panels
planing
flat
Prior art date
Application number
NZ701253A
Inventor
Steven C H Loui
Mealani Parish
Scott Yamashita
Original Assignee
Navatek 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
Priority claimed from US13/445,368 external-priority patent/US9038561B2/en
Application filed by Navatek Ltd filed Critical Navatek Ltd
Publication of NZ701253A publication Critical patent/NZ701253A/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B1/00—Hydrodynamic or hydrostatic features of hulls or of hydrofoils
    • B63B1/02—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement
    • B63B1/04—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with single hull
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B1/00—Hydrodynamic or hydrostatic features of hulls or of hydrofoils
    • B63B1/02—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement
    • B63B1/04—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with single hull
    • B63B1/042—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with single hull the underpart of which being partly provided with channels or the like, e.g. catamaran shaped
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B1/00—Hydrodynamic or hydrostatic features of hulls or of hydrofoils
    • B63B1/16—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving additional lift from hydrodynamic forces
    • B63B1/18—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving additional lift from hydrodynamic forces of hydroplane type
    • B63B1/20—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving additional lift from hydrodynamic forces of hydroplane type having more than one planing surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B1/00—Hydrodynamic or hydrostatic features of hulls or of hydrofoils
    • B63B1/32—Other means for varying the inherent hydrodynamic characteristics of hulls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B1/00—Hydrodynamic or hydrostatic features of hulls or of hydrofoils
    • B63B2001/005—Deflectors for spray, e.g. for guiding spray generated at the bow of a planing vessel underneath the hull
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B1/00—Hydrodynamic or hydrostatic features of hulls or of hydrofoils
    • B63B1/16—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving additional lift from hydrodynamic forces
    • B63B1/18—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving additional lift from hydrodynamic forces of hydroplane type
    • B63B2001/186—Sponsons; Arrangements thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B1/00—Hydrodynamic or hydrostatic features of hulls or of hydrofoils
    • B63B1/16—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving additional lift from hydrodynamic forces
    • B63B1/18—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving additional lift from hydrodynamic forces of hydroplane type
    • B63B1/20—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving additional lift from hydrodynamic forces of hydroplane type having more than one planing surface
    • B63B2001/201—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving additional lift from hydrodynamic forces of hydroplane type having more than one planing surface divided by longitudinal chines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B1/00—Hydrodynamic or hydrostatic features of hulls or of hydrofoils
    • B63B1/16—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving additional lift from hydrodynamic forces
    • B63B1/18—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving additional lift from hydrodynamic forces of hydroplane type
    • B63B1/20—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving additional lift from hydrodynamic forces of hydroplane type having more than one planing surface
    • B63B2001/202—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving additional lift from hydrodynamic forces of hydroplane type having more than one planing surface divided by transverse steps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B1/00—Hydrodynamic or hydrostatic features of hulls or of hydrofoils
    • B63B1/16—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving additional lift from hydrodynamic forces
    • B63B1/18—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving additional lift from hydrodynamic forces of hydroplane type
    • B63B1/20—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving additional lift from hydrodynamic forces of hydroplane type having more than one planing surface
    • B63B2001/203—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving additional lift from hydrodynamic forces of hydroplane type having more than one planing surface arranged in semi-catamaran configuration
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T70/00—Maritime or waterways transport
    • Y02T70/10—Measures concerning design or construction of watercraft hulls

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Ocean & Marine Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Vibration Prevention Devices (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Prevention Of Electric Corrosion (AREA)
  • Laminated Bodies (AREA)
  • Wind Motors (AREA)
  • Polyethers (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

The disclosed watercraft hull has a flat pad keel whose beam tapers towards the bow and its beam at the transom is 15% to 25% of the hull’s beam at its chines. The hull is symmetric about its centerline, has a fine entry bow, a transom, and a pair of hard chines. Between the pad keel and the chines the hull has at least one pair of generally flat panels referred to herein as longitudinal steps having approximately 0 degrees of deadrise forming planing surfaces symmetrically located about the hull centerline. The hull also includes at least one pair of ultra high deadrise panels, outboard of and adjacent to the pad keel, located symmetrically about the hull centerline, and extending therefrom to the flat planing panels above them. The ultra high deadrise panels have a minimum average deadrise of approximately 50 degrees measured along their length. Additional flat planing surface structures having approximately 0° deadrise may be installed longitudinally on the hull between the pad keel and the hard chine such that the vertical offset between any two planing surfaces along the hull’s stagnation line does not exceed approximately six inches. High deadrise panels or fillets with deadrise angles of between about 20 and 35 degrees may be included in the hull outboard of and adjacent to the ultra high deadrise panels and located symmetrically about the hull centerline. The fillets are tapered into wedge shapes at their forward ends to blend into the adjacent ultra high deadrise and flat planing panels.
NZ701253A 2012-04-12 2013-01-29 Planing hull for rough seas NZ701253A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/445,368 US9038561B2 (en) 2011-02-03 2012-04-12 Planing hull for rough seas
PCT/US2013/023582 WO2013154659A2 (en) 2012-04-12 2013-01-29 Planing hull for rough seas

Publications (1)

Publication Number Publication Date
NZ701253A true NZ701253A (en) 2016-08-26

Family

ID=49328271

Family Applications (1)

Application Number Title Priority Date Filing Date
NZ701253A NZ701253A (en) 2012-04-12 2013-01-29 Planing hull for rough seas

Country Status (7)

Country Link
EP (1) EP2864190A4 (en)
JP (1) JP2015520063A (en)
KR (1) KR20150002804A (en)
AU (1) AU2013246526B2 (en)
CA (1) CA2900157C (en)
NZ (1) NZ701253A (en)
WO (1) WO2013154659A2 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10707703B2 (en) * 2015-07-20 2020-07-07 Amotech Co., Ltd. Combination antenna module and portable electronic device including same
RU2622171C1 (en) * 2015-12-16 2017-06-13 Максим Владимирович Ненашев Small vessel housing
JP6129373B1 (en) * 2016-03-09 2017-05-17 今治造船株式会社 Ship
KR102222853B1 (en) * 2020-04-20 2021-03-04 (주)군장조선 Speed boat with stepped hull and center keel structure
CN115123447B (en) * 2022-07-22 2023-05-26 中国船舶科学研究中心 Multi-bow shallow draft ship capable of being directly used in river and sea

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3415213A (en) * 1967-05-01 1968-12-10 Robert V. Nemetz Boat hulls
JPS4937387A (en) * 1972-08-21 1974-04-06
JPS539120Y2 (en) * 1974-07-31 1978-03-09
US4022143A (en) * 1975-09-24 1977-05-10 Krenzler Leo M Wide-keeled boat hull with multiple, straight line planing surfaces
JPS58188288U (en) * 1982-06-04 1983-12-14 日産自動車株式会社 hull structure
US4672905A (en) * 1984-11-28 1987-06-16 Pipkorn Howard W Boat hull with center V-hull and sponsons
JPH0547036Y2 (en) * 1988-07-23 1993-12-09
JPH02107591U (en) * 1989-02-15 1990-08-27
US5265554A (en) * 1992-06-23 1993-11-30 Meredith Marine, Inc. Boat construction
AU9478098A (en) * 1997-09-10 1999-03-29 John R. Kirkham Boat hull with center v-hull and sponsons
US6186086B1 (en) * 2000-01-19 2001-02-13 James F. Zender Planing boat hull and methods of making same
CA2310554C (en) * 2000-06-01 2007-05-01 Rob Chrunyk Method of controlling the attitude of a boat at high speed through boat hull design and a boat hull
US20040103836A1 (en) * 2002-12-03 2004-06-03 Burkett Jerry Douglas Planing power boat
US7845301B2 (en) * 2005-12-06 2010-12-07 Navatek, Ltd. Ventilated aft swept flow interrupter hull
KR101041991B1 (en) * 2008-10-31 2011-06-16 고 정 남 High speed boat with slide line alignment for reduced rollover
US8210116B2 (en) * 2009-09-10 2012-07-03 Navatek, Ltd. Watercraft with hull ventilation

Also Published As

Publication number Publication date
KR20150002804A (en) 2015-01-07
EP2864190A2 (en) 2015-04-29
CA2900157C (en) 2017-08-01
AU2013246526B2 (en) 2016-12-08
AU2013246526A1 (en) 2014-11-13
EP2864190A4 (en) 2016-06-01
WO2013154659A2 (en) 2013-10-17
JP2015520063A (en) 2015-07-16
CA2900157A1 (en) 2013-10-17
WO2013154659A3 (en) 2015-05-14

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