GB997739A - Improvements in air layer supported marine craft - Google Patents

Improvements in air layer supported marine craft

Info

Publication number
GB997739A
GB997739A GB24674/63A GB2467463A GB997739A GB 997739 A GB997739 A GB 997739A GB 24674/63 A GB24674/63 A GB 24674/63A GB 2467463 A GB2467463 A GB 2467463A GB 997739 A GB997739 A GB 997739A
Authority
GB
United Kingdom
Prior art keywords
craft
water
hull
air
base
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
GB24674/63A
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
Priority to GB24674/63A priority Critical patent/GB997739A/en
Publication of GB997739A publication Critical patent/GB997739A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60V—AIR-CUSHION VEHICLES
    • B60V1/00—Air-cushion
    • B60V1/08—Air-cushion wherein the cushion is created during forward movement of the vehicle by ram effect
    • 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
    • B63B1/34—Other means for varying the inherent hydrodynamic characteristics of hulls by reducing surface friction
    • B63B1/38—Other means for varying the inherent hydrodynamic characteristics of hulls by reducing surface friction using air bubbles or air layers gas filled volumes
    • 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

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Ocean & Marine Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Harvesting Machines For Specific Crops (AREA)

Abstract

997,739. Air cushion vehicles; marine appliances. A. P. PEDRICK. June 20, 1963, No. 24674/63. Headings B7A, B7K and B7M. A marine craft of a kind wherein the base of the hull thereof is normally maintained at a level below the level of the surface of the undisturbed water through which the craft is moving, so that the craft derives buoyancy from the water pressures operative on account of the displacement of water, and wherein also the hydrodynamic drag operative against movement of the craft through water is reduced with respect to that which would be operative if the hull base was fully wetted, by the interposition of a layer of air between at least part of the hull base and the water, such air layer being continuously maintained by an airstream discharged from within the hull of the craft, is characterized in that the craft has, in vertical planes parallel to its longitudinal centre line, a cross-section having the form of a thick aircraft wing or aerofoil, and wherein, for normal movement of the craft, the chord line joining the leading and trailing edges of the said wing or aerofoil is approximately coplanar with the undisturbed surface of the water through which the craft is moving. The vehicle comprises a hull A formed with side walls K, L and a base surface shaped transversely as shown in Fig. 3. Paddle wheels, driven through gearing and the efflux from gas turbine engines, are located at the rear end and compressors P are located at the bow to pump air into the cavity formed between the side walls, hinged flaps Q preventing loss of air at the bow. Flexible vanes R, S, T run longitudinally along the base surface. Specifications 993,808 and 997,737 are referred to.
GB24674/63A 1963-06-26 1963-06-26 Improvements in air layer supported marine craft Expired GB997739A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB24674/63A GB997739A (en) 1963-06-26 1963-06-26 Improvements in air layer supported marine craft

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB24674/63A GB997739A (en) 1963-06-26 1963-06-26 Improvements in air layer supported marine craft

Publications (1)

Publication Number Publication Date
GB997739A true GB997739A (en) 1965-07-07

Family

ID=10215486

Family Applications (1)

Application Number Title Priority Date Filing Date
GB24674/63A Expired GB997739A (en) 1963-06-26 1963-06-26 Improvements in air layer supported marine craft

Country Status (1)

Country Link
GB (1) GB997739A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1272739B (en) * 1965-08-27 1968-07-11 Ludger Volpert Hulls for watercraft and aircraft
WO1981003647A1 (en) * 1980-06-19 1981-12-24 P Mader Body of a ship,particularly sailing yachts and boats
GR20060100278A (en) * 2006-05-09 2008-01-16 Σωτηριος Κωνσταντινου Σπυρετος High-speed air-cushion marine vehicle.

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1272739B (en) * 1965-08-27 1968-07-11 Ludger Volpert Hulls for watercraft and aircraft
WO1981003647A1 (en) * 1980-06-19 1981-12-24 P Mader Body of a ship,particularly sailing yachts and boats
EP0042584A1 (en) * 1980-06-19 1981-12-30 Paul Mader Boat hull, especially for sailing-ships and yachts
US4742793A (en) * 1980-06-19 1988-05-10 Paul Mader Lift-producing boat hull especially for sailboats
GR20060100278A (en) * 2006-05-09 2008-01-16 Σωτηριος Κωνσταντινου Σπυρετος High-speed air-cushion marine vehicle.

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