WO2015012762A1 - Hydravion à coque - Google Patents

Hydravion à coque Download PDF

Info

Publication number
WO2015012762A1
WO2015012762A1 PCT/SG2013/000307 SG2013000307W WO2015012762A1 WO 2015012762 A1 WO2015012762 A1 WO 2015012762A1 SG 2013000307 W SG2013000307 W SG 2013000307W WO 2015012762 A1 WO2015012762 A1 WO 2015012762A1
Authority
WO
WIPO (PCT)
Prior art keywords
flying
propulsion unit
flying part
water
boat
Prior art date
Application number
PCT/SG2013/000307
Other languages
English (en)
Inventor
Bin Abu Bakar Ahmad
Original Assignee
Bin Abu Bakar Ahmad
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 Bin Abu Bakar Ahmad filed Critical Bin Abu Bakar Ahmad
Priority to PCT/SG2013/000307 priority Critical patent/WO2015012762A1/fr
Publication of WO2015012762A1 publication Critical patent/WO2015012762A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C37/00—Convertible aircraft
    • B64C37/02—Flying units formed by separate aircraft
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B34/00—Vessels specially adapted for water sports or leisure; Body-supporting devices specially adapted for water sports or leisure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
    • B63B2035/006—Unmanned surface vessels, e.g. remotely controlled
    • B63B2035/008—Unmanned surface vessels, e.g. remotely controlled remotely controlled
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B34/00—Vessels specially adapted for water sports or leisure; Body-supporting devices specially adapted for water sports or leisure
    • B63B34/60—Arrangements for towing, e.g. for use with water-skis or wakeboards

Definitions

  • the present invention relates generally to flying boats, methods of propelling flying boats, and propulsion units for towing objects.
  • Seaplanes are powered fixed-wing aircraft capable of taking off and landing on water.
  • a seaplane can include one or more slender pontoons (known as "floats") mounted under the fuselage to provide buoyancy, or it may use its fuselage for buoyancy.
  • floats slender pontoons
  • Known seaplanes typically include an airframe that supports a propulsion unit such as an engine that drives a propeller.
  • the propulsion unit is usually relatively heavy, and the airframe typically needs to include additional bracing and other support members so that it can safely support the weight of the propulsion unit.
  • additional bracing and other support members usually results in the airframe being heavier than it would otherwise be.
  • Increasing the weight of a seaplane's airframe can adversely affect the performance of the seaplane, and it can also result in higher fuel consumption by the seaplane's propulsion unit.
  • Some aircraft such as towed paragliders do not include their own propulsion unit and therefore do not need to carry the extra weight associated with bracing and the like for supporting a propulsion unit. Instead, these aircraft rely on a separate propulsion unit such as a motorboat to tow them and provide them with the airspeed they need to become and stay airborne.
  • a propulsion unit such as a motorboat to tow them and provide them with the airspeed they need to become and stay airborne.
  • a person flying a paraglider towed by a motorboat cannot directly control the motor boat.
  • paragliders are usually not adapted to takeoff and land on water like a seaplane.
  • a flying boat comprising a flying part adapted to float on a body of water and fly through air, and a propulsion unit which is separate from the flying part, the propulsion unit being adapted to float on the body of water, propel itself along the body of water, and to be controlled remotely, the flying part and the propulsion unit being connected to each other such that the propulsion unit is able to tow the flying part so that the flying part is thereby able to be propelled along the body of water and through the air.
  • the flying part is configured as a light aircraft that includes a fixed-profile wing.
  • the flying part comprises a wing-in-ground effect vehicle.
  • the flying part comprises an aircraft that has a flexible wing profile.
  • the flying part comprises a hull for keeping the flying part afloat on the body of water. It is also preferred that the flying part comprises a pontoon for keeping the flying part afloat on the body of water.
  • the propulsion unit comprises a hull for keeping the propulsion unit afloat on the body of water. It is also preferred that the propulsion unit comprises a pontoon for keeping the propulsion unit afloat on the body of water.
  • the propulsion unit comprises a pair of engines which drive a plurality of water screws or air propellers so that the propulsion unit is able to propel itself along the water body.
  • the propulsion unit is adapted to be controlled through a communication wire. It is . also preferred that the propulsion unit is adapted to be controlled wirelessly.
  • the propulsion unit is adapted to be unmanned
  • the flying part and the propulsion unit are connected to each other by a cable.
  • the cable comprises a cord so that the propulsion unit is able to tow the flying part by the cord.
  • the cable comprises a communication wire so that the propulsion unit is able to be controlled from the flying part electronically through the communication wire. It is preferred that the length of the cable is able to be adjusted.
  • a method of propelling a flying boat comprising the steps of:
  • the step of towing the flying part with the propulsion unit comprises the propulsion unit towing the flying part with a cable.
  • the step of controlling the propulsion unit remotely comprises controlling the propulsion unit from the flying part. It is preferred that the propulsion unit is controlled electronically from the flying part. For example, the propulsion unit may be controlled from the flying part through ,an electronic communication wire, or wirelessly. :
  • a flying part of a flying boat the flying part adapted to float on a body of water and fly through air, and to be connected to a separate propulsion unit of the flying boat such that the propulsion unit is able to tow the flying part so that the flying part is thereby able to be propelled along the body of water and through the air, the flying part also being adapted so that the propulsion unit is able to be controlled remotely from the flying part.
  • the flying part is configured as a light aircraft that includes a fixed-profile wing.
  • the flying part comprises a wing-in-ground effect vehicle.
  • the flying part comprises an aircraft that has a flexible wing profile.
  • the flying part comprises a hull for keeping the flying part afloat on the body of water. It is also preferred that the flying part comprises a pontoon for keeping the flying part afloat on the body of water:
  • the flying part is adapted to be connected to the propulsion unit by a cable.
  • the flying part is adapted so that the propulsion unit is able to be controlled remotely from the flying part through a communication wire. It is also preferred that the flying part is adapted so that he propulsion unit is able to be controlled remotely from the flying part wirelessly.
  • a propulsion unit for towing a separate object, the propulsion unit being adapted to float on a body of water, propel itself along the body of water, and to be controlled remotely.
  • the propulsion unit is able to tow a flying part of a flying boat while the flying part is floating on the body of water or airborne.
  • the propulsion unit is adapted to tow the object using a cable.
  • the propulsion unit comprises a hull for keeping the propulsion unit afloat on the body of water. It is also preferred that the propulsion unit comprises a pontoon for keeping the propulsion unit afloat on the body of water.
  • the propulsion unit comprises a pair of engines which drive a plurality of water screws or air propellers so that the propulsion unit is able to propel itself along the body of water.
  • the propulsion unit is adapted to be controlled through a communication wire. It is also preferred that the propulsion unit is adapted to be controlled wirelessly.
  • the propulsion unit is adapted to be unmanned.
  • the propulsion unit is adapted to be controlled remotely from any station.
  • the propulsion unit may be adapted to be controlled remotely from a fuselage of the flying part.
  • Figure 1 depicts a vehicle comprising a propulsion unit and an aircraft which is towed by the propulsion unit.
  • FIG. 1 there is depicted a preferred embodiment of a flying boat 10 comprising a flying part 1 adapted to float on a body of water 12 and fly through air, and a propulsion unit 13 which is separate from the flying part 1 1.
  • the propulsion unit 13 is adapted to float on the body of water 12, propel itself along the body of water 12, and to be controlled remotely.
  • the flying part 1 1 and the propulsion unit 13 are connected to each other such that the propulsion unit 13 is able to tow the flying part 11 so that the flying part 11 is thereby able to be propelled along the body of water and through the air.
  • the flying part 1 1 depicted in figure 1 has the configuration of a conventional light aircraft such as a glider and comprises a motorless fuselage 20 that includes a cockpit 21 , one or more rudders 22, and a floatable hull 23 so that the fuselage 20 and, hence, the flying part 11 , are able to float on the body of water 12.
  • a fixed-profile wing 24 Secured to the fuselage 20 is a fixed-profile wing 24.
  • a first person 25 and a second person 26 are shown sitting in tandem in the cockpit 2 .
  • the rudders 22 can be operated to assist in controlling the flying part 11 when it is flying. They can also be operated to control the direction in which the flying part 1 points when it is floating on the water body 12.
  • the flying part 11 may comprise a wing-in-ground effect vehicle, or an aircraft such as a paraglider that has a flexible wing profile rather than a fixed profile. Also, rather than having a floatable hull, the flying part 11 may have floatable pontoons.
  • the propulsion unit 13 comprises a floating platform 30 that includes one or more hulls or pontoons for keeping the platform 30, and therefore the propulsion unit 13, afloat
  • the propulsion unit 13 includes a propelling means comprising a pair of engines which drive a plurality of water screws or air propellers so that the propulsion unit 13 is able to propel itself along the water body 12, and fuel tanks for storing fuel for the engines. Due to safety and power considerations, it is preferable for the propulsion unit 13 to have a pair of identical engines rather than just a single engine.
  • the propulsion unit 13 includes rudders for controlling the direction in which the propulsion unit 13 moves along the water body 12.
  • the flying part 11 and the propulsion unit 13 are connected to each other by a flexible cable 40 comprising a flexible cord and a flexible
  • the cord providing the means for physically connecting the flying part 11 and the propulsion unit 13 to each other such that the propulsion unit 13 is able to tow the flying part 1 along the water body 12 or through the air.
  • the communication wire provides the means for the propulsion unit 13, including the speed and direction of the propulsion unit 13, to be electronically remotely controlled from the cockpit 21 of the flying part by the first person 25 and/or the second person 26. This enables the propulsion unit 13 to be unmanned in the sense that a person does not have to be physically on board the propulsion unit 13 in order to control it.
  • the communication wire may be dispensed with and the propulsion unit 13 is able to be controlled from the flying part 11 wirelessly.
  • the flying part 11 and the propulsion unit 13 are connected by the flexible cord such that the length of the cord can be varied so as to thereby vary the distance between the flying part 1 1 and the propulsion unit 13.
  • the distance between the flying part 1 and the propulsion unit 13 is as short as is safe for both the flying part 1 and other vessels.
  • the distance of separation between the flying part and the propulsion unit can be varied according to safety considerations such as the weather and the proximity of other vessels.
  • the angle of elevation of the flying part 11 with respect to the propulsion unit 13. is variable.
  • the angle of elevation is close to zero on takeoff of the flying part 11 from the body of water 12 so that the horizontal force pulling the flying part 11 , as applied by the cord, is of optimal size/strength for takeoff and the downward component of the tension of the cord is least.
  • the altitutde of the flying part 1 1 can be varied as required by
  • the flying part 11 and the propulsion unit 13 are first placed in the body of water 12 so that they float on the body of water 12.
  • the persons 25, 26, at least one of whom is to pilot the flying part 1 1 climb into and seat themselves in the cockpit 21 o f the flying part 1 1.
  • the pilot operates the propulsion unit 3 remotely so that the propulsion unit 13 tows the flying part 1 1 along the water body 12.
  • the towing distance between the flying part 11 and the propulsion unit 13 can be controlled by the pilot from the cockpit 21 of the flying part 1 1.
  • the pilot controls the propulsion unit 13 so that it propels the flying part 11 to its takeoff speed.
  • the pilot controls the flying part 1 like a conventional aircraft so that the flying part 1 liftsoff from the water body 2 and flys through the air.
  • the pilot controls the height of the flying part 11 in the same way as the flying height or altitude of a convention aircraft is controlled.
  • the pilot needs to control the separation of the flying part 11 and the propulsion unit 13 so as to maintain tension on the cable 40.
  • the pilot controls the flying part 1 1 and the propulsion unit 13 so that the ⁇ altitude of the flying part 1 1 decreases Until the flying part 11 safely lands on the water body 12.
  • the pilot controls the propulsion unit 13 so that it tows the flying part 11 to the desired location.
  • the persons 25, 26 can then disembark from the flying part 1 1. If need be, the flying boat 10 can be removed from the water body 12 until it needs to be used again.
  • the flying part 1 1 By separating the flying part 1 1 from its propulsion unit 13, the flying part 1 1 can be made as light as possible, as the heavier propulsion unit 13 which comprises the engines does not fly with the flying part 1 but remains afloat in the water body 12.
  • the lightness of the flying part 11 means that the takeoff speed of the flying part 1 1 is much lower than it would be if the flying part 11 included its own propulsion unit.
  • the flying part 1 When the flying part 1 is airborne, the movement of the flying part 1 through the air is much smoother than an ordinary motorboat moving through water, and the flying part 11 provides the passengers 25, 26 with a wider field of vision for recreation or surveillance purposes.
  • the flying boat 10 is 'tied' to the body of water 12 and has less freedom.
  • the flying boat 0 may be described as a motorboat whose crew and passengers are airborne, thus providing them with a smoother travel experience and a wider field of vision than if they were riding in an ordinary motorboat.
  • a feature of the flying boat 10 that is considered to be novel is that, unlike conventional motorised flying boat seaplanes, the flying part 1 1 of the flying boat 10 : is physically separated or divided from the propulsion unit 13 of the flying boat 10, which is usually the heaviest part of any conventional flying boat seaplane.
  • the flying part 11 can be built to be ultra light as it does not need , to support the propulsion unit 13.
  • the propulsion unit 13 remains afloat in the water body 12 while towing the flying part 1 1 while the flying part 11 is either afloat in the water body 12 or airborne.
  • the flying boat 10 differs in that its propulsion unit 13 is unmanned, i.e. not controlled locally, but is instead controlled remotely by one or both of the persons 25, 26 in the cockpit 21 acting as the pilot of the flying part 11.
  • the motorboat is manned, i.e. controlled by a person on board the motorboat, and the person flying the paraglider has no control of the operation of the motorboat.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Toys (AREA)

Abstract

L'invention concerne un hydravion à coque (10), qui comprend une partie (11) permettant de voler, conçue pour flotter sur un plan d'eau (12) et pour voler, et une unité de propulsion (13) qui est séparée de la partie (11) permettant de voler. L'unité de propulsion (13) est conçue pour flotter sur le plan d'eau (12), se propulser le long du plan d'eau (12) et être commandée à distance. La partie (11) permettant de voler et l'unité de propulsion (13) sont reliées l'une à l'autre de telle sorte que l'unité de propulsion (13) peut remorquer la partie (11) de telle sorte que cette dernière peut ainsi être propulsée le long du plan d'eau (12) et dans les airs.
PCT/SG2013/000307 2013-07-24 2013-07-24 Hydravion à coque WO2015012762A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/SG2013/000307 WO2015012762A1 (fr) 2013-07-24 2013-07-24 Hydravion à coque

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SG2013/000307 WO2015012762A1 (fr) 2013-07-24 2013-07-24 Hydravion à coque

Publications (1)

Publication Number Publication Date
WO2015012762A1 true WO2015012762A1 (fr) 2015-01-29

Family

ID=52393650

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SG2013/000307 WO2015012762A1 (fr) 2013-07-24 2013-07-24 Hydravion à coque

Country Status (1)

Country Link
WO (1) WO2015012762A1 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5094638A (en) * 1989-04-21 1992-03-10 Yamaha Hatsudoki Kabushiki Kaisha Water vehicle
EP1878653A1 (fr) * 2006-07-13 2008-01-16 Gilberto Rizzitiello Appareil pour la pratique de sports aquatiques et/ou de glisse sur neige

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5094638A (en) * 1989-04-21 1992-03-10 Yamaha Hatsudoki Kabushiki Kaisha Water vehicle
EP1878653A1 (fr) * 2006-07-13 2008-01-16 Gilberto Rizzitiello Appareil pour la pratique de sports aquatiques et/ou de glisse sur neige

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
"Military.com", FLYING LIFEBOAT, 26 August 1947 (1947-08-26), Retrieved from the Internet <URL:http://forums.military.com/eve/forums/a/tpc/f/101196122/m/7060050503001> [retrieved on 20130827] *
"Modern Mechanix", RESCUE GLIDER-BOAT, September 1947 (1947-09-01), Retrieved from the Internet <URL:http://blog.modernmechanix.com/rescue-glider-boat> [retrieved on 20130828] *

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