WO2016011466A1 - Catamaran à voile - Google Patents

Catamaran à voile Download PDF

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Publication number
WO2016011466A1
WO2016011466A1 PCT/AT2015/000099 AT2015000099W WO2016011466A1 WO 2016011466 A1 WO2016011466 A1 WO 2016011466A1 AT 2015000099 W AT2015000099 W AT 2015000099W WO 2016011466 A1 WO2016011466 A1 WO 2016011466A1
Authority
WO
WIPO (PCT)
Prior art keywords
mast
cross member
extension
frame
sword
Prior art date
Application number
PCT/AT2015/000099
Other languages
German (de)
English (en)
Inventor
Barbara HEILIGENMANN
Kurt Heiligenmann
Original Assignee
Heiligenmann Barbara
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 Heiligenmann Barbara filed Critical Heiligenmann Barbara
Publication of WO2016011466A1 publication Critical patent/WO2016011466A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B7/00—Collapsible, foldable, inflatable or like vessels
    • B63B7/06—Collapsible, foldable, inflatable or like vessels having parts of non-rigid material
    • B63B7/08—Inflatable
    • B63B7/082—Inflatable having parts of rigid material
    • 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
    • B63B1/10—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with multiple 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
    • B63B1/02—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement
    • B63B1/10—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with multiple hulls
    • B63B1/12—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with multiple hulls the hulls being interconnected rigidly
    • B63B1/121—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with multiple hulls the hulls being interconnected rigidly comprising two hulls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B15/00—Superstructures, deckhouses, wheelhouses or the like; Arrangements or adaptations of masts or spars, e.g. bowsprits
    • B63B15/02—Staying of masts or of other superstructures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B3/00—Hulls characterised by their structure or component parts
    • B63B3/02—Hulls assembled from prefabricated sub-units
    • B63B3/08—Hulls assembled from prefabricated sub-units with detachably-connected sub-units
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B7/00—Collapsible, foldable, inflatable or like vessels
    • B63B7/06—Collapsible, foldable, inflatable or like vessels having parts of non-rigid material
    • B63B7/08—Inflatable
    • B63B7/085—Accessories or mountings specially adapted therefor, e.g. seats, sailing kits, motor mountings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H9/00—Marine propulsion provided directly by wind power
    • B63H9/04—Marine propulsion provided directly by wind power using sails or like wind-catching surfaces
    • B63H9/06—Types of sail; Constructional features of sails; Arrangements thereof on vessels
    • 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
    • B63B1/10—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with multiple hulls
    • B63B1/12—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with multiple hulls the hulls being interconnected rigidly
    • B63B1/121—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with multiple hulls the hulls being interconnected rigidly comprising two hulls
    • B63B2001/123—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with multiple hulls the hulls being interconnected rigidly comprising two hulls interconnected by a plurality of beams, or the like members only
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B3/00—Hulls characterised by their structure or component parts
    • B63B3/02—Hulls assembled from prefabricated sub-units
    • B63B3/08—Hulls assembled from prefabricated sub-units with detachably-connected sub-units
    • B63B2003/085—Multiple hull vessels, e.g. catamarans, assembled from detachably-connected sub-units
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B15/00—Superstructures, deckhouses, wheelhouses or the like; Arrangements or adaptations of masts or spars, e.g. bowsprits
    • B63B2015/0008—Bowsprits
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B41/00—Drop keels, e.g. centre boards or side boards ; Collapsible keels, or the like, e.g. telescopically; Longitudinally split hinged keels
    • B63B2041/003—Collapsible keels, or the like, e.g. telescopically; Longitudinally split hinged keels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H25/00—Steering; Slowing-down otherwise than by use of propulsive elements; Dynamic anchoring, i.e. positioning vessels by means of main or auxiliary propulsive elements
    • B63H25/06—Steering by rudders
    • B63H25/38—Rudders
    • B63H25/382—Rudders movable otherwise than for steering purposes; Changing geometry
    • B63H2025/384—Rudders movable otherwise than for steering purposes; Changing geometry with means for retracting or lifting
    • B63H2025/385—Rudders movable otherwise than for steering purposes; Changing geometry with means for retracting or lifting by pivoting

Definitions

  • the invention relates to a sailing catamaran in which the two hulls consist of a flexible, flat material and are inflatable.
  • the AT 501895 A4 shows a sailing catamaran in which the connection between the two hulls is formed by a rectangular frame of two longitudinal beams and two cross beams.
  • the mast protrudes from a plug-in bracket at the center of the front cross member. From the base of the mast out of the rod-shaped sword carrier sticks down, which is followed by the sword below.
  • the connections of the front cross member with the mast and the sword carrier are not designed to transmit bending moments.
  • Approximately horizontally from the center of the front cross member protrudes the so-called bowsprit, ie a rigid beam, forward.
  • the top of the mast is connected by a respective stretched rope with the free tip of the bowsprit and with the left and right side members, wherein the respective connection point to a side member of both cross members spaced but significantly closer to the front cross member than the rear cross member.
  • a tensioning cable to the three points on bowsprit and longitudinal beams stretched, where the ropes leading to the mast point are attached.
  • a similar construction as the AT 501895 A4 shows the CZ 9042 U 1.
  • the connection between the two hulls is formed by a rectangular frame consisting of three side rails and three cross beams.
  • the mast protrudes from a plug-in mount, which is located at the intersection of the central longitudinal member with the central cross member.
  • the sword protrudes from a vertically oriented rod-shaped sword carrier down, which is located directly below the mast on the middle cross member.
  • the middle side member is extended forwards to a bowsprit.
  • the mast top is connected by a respective stretched rope with the four points of contact of the outer support of the frame. From the longitudinal center of the cross member from each rod protrudes vertically downwards.
  • GB 2 213 435 A shows a collapsible sailing catamaran with rigid hulls.
  • the frame connecting the hulls is formed of two cross members and a central longitudinal member, wherein the longitudinal member is extended forward towards a bowsprit.
  • the cross members are formed of two articulated parts, wherein the hinge axes extend vertically and through the central side member.
  • the cross member still have sufficient strength, projecting from their longitudinal center vertically from rods, run from the free ends tensioning cables to the ends of the cross member.
  • To brace the mast which protrudes from the crossing point of the front cross member with the central side member from, is stretched from the mast tip to the top of the bowsprit and to each of the two rigid hulls a rope.
  • the inventor has set itself the task of providing a collapsible sailing catamaran, in which the two hulls are made of a flexible sheet material and are inflatable provide.
  • the sailing catamaran to be created in a comparably large version should in any case have the following advantages:
  • the sailing catamaran to be created should be able to be set up and dismantled faster
  • connection between the mast and the projecting from its base down rod is made rigid, so that the mast and the said downwardly projecting rod form a common rigid rod, which projects from below the plane of the frame to far above the plane of the frame ,
  • the inflatable hulls are used in addition to their well-known function as a floating body as a side member of the frame.
  • the front and the rear cross member are supported by introduction of force directly into the inflatable hulls, however, that they slide according to the force exerted by the tensioning cables to each other.
  • the inflatable hulls are quite able to absorb sufficiently large compressive forces in the longitudinal direction and also withstand all bending moments occurring sufficiently well to be able to perceive the function of side members and thus to be able to replace separate side members.
  • This can be compared to construction methods according to the prior art longitudinal beams are formed in addition to the inflatable hulls as separate parts, completely saved. This reduces weight, manufacturing costs, and pack size (with empty inflatable hulls).
  • the mast and downwardly projecting extension commonly formed rigid bar alone by tension cables, which attack at the lower and upper end of this rod and lead up or down to points on the frame of the sailing catamaran, are fixed relative to the frame of the sailing catamaran. So it is no longer necessary that the mast directly to a rigid frame part (as typically a cross member) is applied. The position of the foot of the mast is thus no longer directly dependent on the position of a cross member. Thus, it can be better optimized so that operability and sail area utilization are optimal. In fact, it is advantageous and easily realized by the construction according to the invention, to arrange the mast between the front and the rear cross member at a distance to both crossbeams.
  • the axis of the mast intersects the plane of the frame of the sailing catamaran between the two cross members of the frame at a distance to both cross members.
  • the mast - compared with prior art constructions - can be positioned relatively far back, so that the person using the sailing catamaran can comfortably rest on the mast base against lateral slippage and so that a very large headsail can be used.
  • no mainsail is used, but only a headsail.
  • a headsail has - in contrast to a main sail - even with the simplest version - a trouble-free leading edge, is very cheap to manufacture and is easy to roll.
  • the fact that it is easy to roll in means that it can be rolled up easily and quickly, so that the entire sail area can be "disappeared" in seconds, which in addition to comfort gain in strong wind and a - for beginners particularly important - significant safety gain.
  • the sword of the sailing catamaran is arranged directly on the extension of the mast downwards.
  • the sword is an approximately vertically projecting down into the water part, which is shaped like an airfoil-like, wherein the longer dimension of the cross-sectional area is aligned parallel to the longitudinal direction of the sailing catamaran.
  • the sword serves to prop up the sailing catamaran against the wind Sail applied side forces slides sideways.
  • Fig. 1 shows an exemplary sailing catamaran invention in side sectional view.
  • Fig. 2 shows the sailing catamaran of Fig. 1 is a more detailed sectional view of a portion of the cross-sectional area of the two hulls and the attachments located there in that longitudinal region of the fuselage to which the rear cross member is fixed to the hull. The viewing direction is to the rear.
  • Fig. 3 shows the sailing catamaran of Fig. 1 is a more detailed lateral sectional view of the rear cross member and adjacent parts.
  • Fig. 4 shows the sailing catamaran of Fig. 1 is a more detailed view from above on the central region of the front cross member.
  • Fig. 5 shows the sailing catamaran of Fig. 1 is a more detailed side view of the connection area between the mast and the sword, the sword is in an intermediate state between the operating position and folded position.
  • the cutting plane is vertical, parallel to the longitudinal direction of the sailing catamaran in front of the middle of the width of the sailing catamaran, so that therefore the mast 3, which is arranged symmetrically between the two hulls 1, is visible.
  • the direction of travel is in the illustration of FIG. 1 to the right.
  • the hulls 1 are made of a dense, sheet-like flexible material, such as typically a fabric-reinforced rubber film. They have the shape of a at the ends tapered slender circular cylinder and are aligned parallel to each other in the intended direction of travel at a distance from each other.
  • the two hulls 1 are connected by a front cross member 2.1 and a rear cross member 2.2, which are aligned horizontally, normal to the direction of travel and rest on the upper side of the hulls 1.
  • the so-called trampoline 9 is stretched.
  • the trampoline is the main habitat for the persons using the sailing catamaran.
  • the trampoline consists of a strong but elastically extensible tissue.
  • the trampoline 9 Approximately in its center of area, the trampoline 9 has an opening through which the mast 3 or its straight extension 8 projects downwards.
  • the top of the mast 3 is connected by tensioned ropes with the rest of the sailing catamarans.
  • the third rope, the so-called forestay 6, connects the top of the mast with the front tip of the so-called bowsprit 13, a stiff rod-shaped part which projects approximately horizontally forward over the front cross member 2.1 in the middle of the width of the sailing catamaran.
  • the mast 3 has a lower extension 8 with which it forms a rigid rod together, which intersects the plane defined by the cross member 2.1, 2.2 plane of the frame of the sailing catamaran and thus also intersects the plane of the trampoline 9.
  • the sword 4 is attached to the lower part of the extension 8.
  • the extension 8 thus forms the swordtail.
  • guy ropes 5 are attached to the extension 8 of the mast 3, which are under tension and with their other ends at the ends the two cross beams 2.1, 2.2 are attached.
  • the advantageous sailing catamaran shown has only a foresail 10 and not as usual sailing catamarans and a mainsail.
  • the (as is known) triangular foresail 10 is guided on forestay 6, so with one of its edge lines continuously on Forestay 6 anchored.
  • the so-called sheet 15 is attached, which is a leash which serves to operate the foresail 10, so to adjust its position.
  • the sheet 15 is an endless line, which runs around two deflection rollers, the so-called sheet pile points 11 and around the front outer surface side of the mast 3.
  • the two sheet-pile points 11 are each arranged at a rear longitudinal end of a hull 1.
  • the connection of the sheet 15 with the headsail 10 is located at that longitudinal region of the sheet 15, which extends around the mast 3 around between the two sheet-Holeeng.
  • the sheet pile points 1, behind the rear cross member 2.2 are arranged and anchored directly to a hull 1.
  • the sheet-Holeêt are attached to the end of the rear cross member, thus a better sail utilization, a favorable draft angle on the headsail 10 and a larger sail area possible.
  • the sheet pile points 11 forming, mounted in an open housing pulleys are typically attached by means of glued tabs on the hulls 1.
  • the above-mentioned rapid rolling of the headsail 10 is - as known per se - performed by the forestay 6, along which the headsail 10 extends with an edge, is rotated about its longitudinal direction. This turning is - as is well known - with the help of a roll attached to the forestay and a line attached to it very quickly feasible.
  • the rudder 12 is attached. This is an elongated, about wing-like looking part, which projects vertically into the water in operation and about its then vertical longitudinal axis is pivotable, so that the longitudinal direction of its cross-sectional area relative to the longitudinal direction of the sailing catamaran can be pivoted, with which the sailing catamaran can be steered.
  • FIG. 2 and FIG. 3 serve above all to illustrate an advantageous fastening method for a cross member 2.1, 2.2 on a hull 1.
  • the connection of the right rear cross member 2.2 to a hull 1 is shown by way of example.
  • the rear cross member 2.2 is essentially a round tube. At its end several vertical downwardly projecting support tabs are welded 2.2.1, which ends with their lower ends to a support part 2.2.2 and are welded to it.
  • the support part is adapted to the curvature of the surface of the fuselage 1 is that is approximately part-circular, wherein the axis of the pitch circle is aligned parallel to the longitudinal axis of the sailing catamaran and the inner radius of the pitch circle corresponds approximately to the radius of the fuselage 1.
  • a film layer 1.1 is glued, which includes 1 cavities with the hull, which are open to the rear of the hull 1 out.
  • the extensions 2.2.3 rigidly connected to the cross member are inserted into said cavities until the support tabs 2.2.1 bear against the film layer 1.1 in the area of the cavern openings and are thereby held against further sliding in the direction of the front cross member 2.1.
  • the sheet material of the film layer 1.1 may be the same material from which the hull 1 is made. Instead of a flexible film layer 1.1 could also be used for a layer of a rigid material.
  • a support tab 2.2.1 preferably that which is positioned facing the longitudinal axis of the sailing catamaran, forms the transverse-beam-side anchoring point of a tensioning cable 5 which leads from the lower end of the extension 8 ( Figure 1) to one end of the crossbeam 2.2.
  • the - not shown - anchoring of the front cross member 2.1 on the fuselage 1 is approximately mirror image for anchoring the rear cross member 2.2 formed on the hull 1. Protruding with the front cross member 2.1 rigidly connected extensions backwards (toward the rear cross member) in the openings of forwardly open cavities between an additional film layer and the fuselage. 1
  • a Wante 7 is anchored to a small plate 2.2.4, which is welded to the front side of the rear cross member 2.2 and away from something protrudes forward.
  • the Wante 7 is anchored to the protruding from the rear cross member 2.2 forward part of the plate 2.2.4 (Fig. 3) is achieved that the cross member 2.2 with respect to rotation about its own longitudinal axis despite the pulling action of the trampoline 9 and the tension cables. 5 optimally aligned, namely such that the extensions 2.2.3 are aligned parallel to the longitudinal direction of the sailing catamaran.
  • the sailing catamaran has a bowsprit 13, at the front tip intended the forestay 6 is anchored.
  • Figure 1 In a simplified - but not dynamic and with respect to the possible size of the sail area not so advantageous - execution of a sailing catamaran invention can dispense with the bowsprit and instead anchor the forestay 6 at the longitudinal center of the front cross member 2.1.
  • the anchoring should then be carried out eccentrically with respect to the longitudinal axis of the front cross member 2.1 analogous to the described anchoring of the shrouds on the rear cross member, namely so that the forestay 6 between the longitudinal axis of the front cross member 2.1 and the mast 3 engages the front cross member 2.1.
  • the bowsprit is welded to a pipe section 13.1 (FIG. 1) which, in the mounted state, is aligned coaxially with the mast 3 and comprises the lateral surface of the lower part of the mast 3 and of the upper part of the extension 8.
  • Fig. 4 shows the connection region between bowsprit 13 and front cross member 2.1.
  • two plates 13.2, 13.3 are welded onto the bowsprit 13.
  • the plane of the sheet 13.2 is aligned substantially normal to the bowsprit 13. It has two in the parallel to the bowsprit 13 bent extensions 13.2.1, which lie adjacent to each other at the same height transversely to the longitudinal direction of the bowsprit at a significant distance and protrude when assembled Segelkatamaran in each case a recess on the front cross member 2.1 from the front of the sailing catamaran ago.
  • a triangular plate 2.1.1 radially projecting from the cross member 2.1 welded so that its side facing away from the cross member 2.1 aligned tip abuts the upper lateral surface side of under the cross member 2.1 extending bowsprit. Said tip protrudes between the two legs of a U-shaped holding part 13.3, which is welded to the lateral surface of the bowsprit 13. The legs of the U-shaped holding part 13.3 are parallel to the longitudinal direction of the bowsprit 13 extended. directed. Between these legs, the tip of the triangular plate 2.1.1 is held against horizontal relative movement normal to the longitudinal direction of the bowsprit 13.
  • connection is, in particular, a stiff blockade in that the bowsprit 13 is rotated about its own longitudinal axis relative to the front cross member 2.1.
  • the pipe section 13.1 which includes the foot of the mast 3
  • the sailing catamaran Due to this rigid torque transmission between mast 3 and front cross member 2.1 on the bowsprit 13, the sailing catamaran is with respect to elastic deformations by sail and sword forces at comparatively low weight extremely much stiffer than he would without this connection on the bowsprit between mast and front cross member.
  • the sailing catamaran is not only better controllable but it is also easily the so-called Einkufenfahrt allows, namely those driving in which the sailing catamaran strong lateral sail forces is inclined so that the windward hull is lifted out of the water.
  • the possibility of Einkufenfahrt is by no means a matter of course for sailing catamarans with inflatable hulls.
  • connection between mast 3 and front cross member 2.1 on the loaded as a torsion bar bowsprit 13 is according to the invention Sailing catamarans without separate - not formed by the inflatable hulls - side rails particularly valuable because they tend not to be as stiff as if they had separate side members made of a rigid material. But it is also for conventionally built sailing catamarans, even for those with rigid rather than inflatable hulls, very beneficial.
  • Fig. 5 shows, among other parts, protruding under the trampoline extension 8 of the mast 3.
  • the extension 8 is a rigid straight extension of the mast 3 and with this - however rigidly connected.
  • the extension 8 is designed as a square square tube.
  • At its lower end, which protrudes just below the water when sailing catamaran standing in the water is a plate 8.1 attached to which the leading to the ends of the cross member 2.1, 2.2 guy ropes 5 are attached.
  • the sword 4 is attached to the extension 8 as a further extension thereof down.
  • the sword 4 is connected via the extension 8 a straight extension of the mast 3 downwards and rigidly connected to the mast 3.
  • the sword 4 relative to the extension 8 about a horizontal, aligned transversely to the longitudinal direction of the sailing catamaran axis from its operating position, respectivelyschwenkbar when either a large force from the front presses against the sword (which is the case when you driving forwards the sword against a shoal) or when a holding mechanism is unlocked.
  • the stem 4.2 is a square profile whose cross-sectional area between two opposite cross-sectional areas of the formed as a hollow profile extension 8 takes place.
  • the stem 4.2 and the extension 8 are aligned the same, overlapping in a longitudinal region and the cross-sectional area of the stem 4.2 between the two lateral lateral surface sides of the extension 8 is arranged.
  • the front and the rear lateral surface side of the extension are removed in sections.
  • the sword 4 extends the horizontal, transversely to the longitudinal direction of the sailing catamaran aligned pivot axis about which the sword 4 opposite the mast 3 and the extension 8 is pivotally through the stem 4.2 and the remaining lateral surfaces of the extension 8.
  • To the back of the sailing catamarans towards the slide 8.1 is executed slotted so that it does not collide with the sword 4 when the sword 4 is brought into operating position ,
  • a two-armed lever 14 is pivotally mounted on the extension 8, wherein also in this case, the pivot axis is aligned horizontally transversely to the longitudinal direction of the sailing catamaran.
  • the rear arm of the lever 14 is pulled up by a tension spring 14.1, so that the front arm of the lever 14 is pivoted downward.
  • the upper part of the stem 4.2 protrudes into the pivoting range of the front arm of the lever 14.
  • the front arm of the lever 14 slides at the top of the stem and snaps into its front edge.
  • a leash 4.4 which leads from the upper end of the stem to the back of the extension and there up to beyond the trampoline, serves the stem 4.2 and thus the sword 4 away from the raised position, against the momentary effect of the spring 4.3 in the to bring vertical operating position by pulling on the leash 4.4.
  • the anchoring described is not only safe and comfortable, it causes in the closed state (with sword located in operating state 4) and a play-free mounting of the sword.
  • the front upper part 4.1 of the sword 4 is not rigidly connected to the stem 4.2, but with the extension 8.
  • the sword 4 When the sword 4 is in the operating position, it rests against the part 4.1, so that the two parts together the outer shape of a conventional monolithic have executed sword.
  • the extension 8 can reach well below the water level and yet up to the water level reaching sword can be used.
  • the tension cables 5 can be relatively far below the defined by the cross member 2.1, 2.2 frame plane of the sailing catamaran - which is very advantageous statically.
  • the described embodiment of the sword attachment is particularly valuable for the present inventive design of sailing catamarans, as these sailing catamarans especially offer because of their ease and cost-effectiveness for beginners and because it is very easy to use and security against damage is very important.
  • the described sword attachment is also on "custom built" sailing catamarans a valuable improvement over known sword attachments.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Catching Or Destruction (AREA)

Abstract

L'invention concerne un catamaran à voile qui présente deux coques gonflables (1) composées d'un matériau flexible plat, ainsi qu'un cadre qui s'étend dans un plan horizontal et qui présente une traverse avant (2.1) et une traverse arrière (2.2), ainsi que deux supports longitudinaux reliant ces deux traverses l'une à l'autre. Un mât (3), un trampoline (9), une dérive (4) et un gouvernail (12) sont fixés au cadre, un prolongement rectiligne (8) partant de la base du mât (3) dépasse au-dessous du plan du cadre, et des câbles tendeurs (5) partant de la partie inférieure du prolongement (8) sont tendus à l'oblique vers le haut en direction des éléments du cadre. Le catamaran est caractérisé en ce que les deux supports longitudinaux du cadre sont formés par les deux coques gonflables (1), et en ce que l'assemblage entre le mât (3) et le prolongement (8) partant de la base du mât (3) et dépassant vers le bas est rigide en flexion.
PCT/AT2015/000099 2014-07-21 2015-07-15 Catamaran à voile WO2016011466A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA571/2014 2014-07-21
ATA571/2014A AT515558B1 (de) 2014-07-21 2014-07-21 Segelkatamaran

Publications (1)

Publication Number Publication Date
WO2016011466A1 true WO2016011466A1 (fr) 2016-01-28

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PCT/AT2015/000099 WO2016011466A1 (fr) 2014-07-21 2015-07-15 Catamaran à voile

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AT (1) AT515558B1 (fr)
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3950486A1 (fr) * 2020-07-29 2022-02-09 Olibo GmbH Catamaran pouvant être démonté de manière peu encombrante et pouvant être facilement monté

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US2712293A (en) * 1954-06-02 1955-07-05 O'higgins Michael Knock down catamaran unit
GB1372642A (en) * 1972-02-02 1974-11-06 Padwick H A Multi-hulled boat
GB2213435A (en) 1987-12-09 1989-08-16 James Labouchere Multihull assembly mechanism
CZ9042U1 (cs) 1999-06-03 1999-09-06 Martin Ducháč Konstrukce vícetrupého plavidla
AT501895A4 (de) 2005-06-10 2006-12-15 Heiligenmann Kurt Zusammenlegbarer katamaran

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US4782777A (en) * 1986-12-01 1988-11-08 Sussman Robert A Inflatable catamaran
US5313908A (en) * 1990-10-05 1994-05-24 Kunz Daniel W Car topable catamaran with collapsible frame and universal tiller/rudder-mast daggerboard mounting constructions
JPH096188A (ja) * 1995-06-15 1997-01-10 Canon Inc 画像形成装置
JPH098578A (ja) * 1995-06-16 1997-01-10 Sony Corp 高周波用ステップアッテネータ
JPH098580A (ja) * 1995-06-19 1997-01-10 Hitachi Ltd 再生イコライザ回路

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2712293A (en) * 1954-06-02 1955-07-05 O'higgins Michael Knock down catamaran unit
GB1372642A (en) * 1972-02-02 1974-11-06 Padwick H A Multi-hulled boat
GB2213435A (en) 1987-12-09 1989-08-16 James Labouchere Multihull assembly mechanism
CZ9042U1 (cs) 1999-06-03 1999-09-06 Martin Ducháč Konstrukce vícetrupého plavidla
AT501895A4 (de) 2005-06-10 2006-12-15 Heiligenmann Kurt Zusammenlegbarer katamaran

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3950486A1 (fr) * 2020-07-29 2022-02-09 Olibo GmbH Catamaran pouvant être démonté de manière peu encombrante et pouvant être facilement monté

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AT515558B1 (de) 2015-10-15
AT515558A4 (de) 2015-10-15

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