EP0148217A1 - Greement de voile. - Google Patents

Greement de voile.

Info

Publication number
EP0148217A1
EP0148217A1 EP84902436A EP84902436A EP0148217A1 EP 0148217 A1 EP0148217 A1 EP 0148217A1 EP 84902436 A EP84902436 A EP 84902436A EP 84902436 A EP84902436 A EP 84902436A EP 0148217 A1 EP0148217 A1 EP 0148217A1
Authority
EP
European Patent Office
Prior art keywords
sail
mast
sailing
rig according
luff
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.)
Granted
Application number
EP84902436A
Other languages
German (de)
English (en)
Other versions
EP0148217B1 (fr
Inventor
Urs P Meyer
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 AT84902436T priority Critical patent/ATE31173T1/de
Publication of EP0148217A1 publication Critical patent/EP0148217A1/fr
Application granted granted Critical
Publication of EP0148217B1 publication Critical patent/EP0148217B1/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H8/00—Sail or rigging arrangements specially adapted for water sports boards, e.g. for windsurfing or kitesurfing
    • B63H8/20—Rigging arrangements involving masts, e.g. for windsurfing
    • B63H8/24—Arrangements for connecting the rigging to a board
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H8/00—Sail or rigging arrangements specially adapted for water sports boards, e.g. for windsurfing or kitesurfing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H8/00—Sail or rigging arrangements specially adapted for water sports boards, e.g. for windsurfing or kitesurfing
    • B63H8/20—Rigging arrangements involving masts, e.g. for windsurfing
    • B63H8/21—Wishbones
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H8/00—Sail or rigging arrangements specially adapted for water sports boards, e.g. for windsurfing or kitesurfing
    • B63H8/40—Arrangements for improving or maintaining the aerodynamic profile of sails, e.g. cambers, battens or foil profiles

Definitions

  • the invention relates to a sailing rig with a mast for sail vehicles, in particular for sail boards, which mast is connected to the sailing vehicle in an unbalanced manner and can be pivoted and pivoted.
  • Today's sailing vehicles are practically always equipped with triangular large sails, which are held along the luff by a mast that is as rigid as possible, and whose clew is connected to the rear end of the large boom attached to the mast.
  • Many smaller sailing vehicles, such as o-dinghies, lasers and sailing boards have no headsail or any mast adjustment. With these so-called “Kat" stackings, the forces acting on the mast can reach high values.
  • the invention is therefore based on the object of making it possible to produce sail rigs which produce more propulsion and less air resistance with the same wind strength and sail area, and which produce useful propulsion even at a smaller angle of attack.
  • These rigs should be somewhat more manageable, lighter and less expensive to manufacture.
  • the sail Due to the three-dimensionally arched sail cut, the sail is arched not only horizontally but also vertically when rigging with sufficient pretension by leech chisels and clew horns under the influence of wind.
  • the elastic mast adapts to the vertical curvature of the sail and, together with the stretched, angled fore and aft leech, has a very profile-stabilizing effect.
  • the sail and the mast are concave towards the windward side.
  • Luff and aft, both of which are braced on the large boom, have the effect of built-in bracing.
  • the mast tip and the mast foot are bent against the windward side. As a result, the wind is "caught" and it no longer breaks out in the sail top.
  • the forces acting on the sail and the mast are completely different Nature.
  • the sail and the mast not only require less static pretension than a conventional triangular rig, but also the dynamic forces induced by wind pressure are considerably lower because they act on the mast from two opposite sides and practically cancel each other out . Therefore the mast can be made much lighter. Egg- ne high flexibility is even desirable.
  • the sail rig version with the one-sided boom and the symmetrically cut sail can save at least 1 kg * of weight.
  • Fig. 1 shows the sailing rig in asy_m * etxische_ ⁇ . Cut with boom in a side view;
  • FIG. 2 shows the sailing rig according to FIG. 1 in a view from the front
  • FIG. 3 shows the sailing rig according to FIG. 1 in a cross-section at the height of the boom
  • FIG. 4 shows the sailing rig in a symmetrical section with a large tree on one side in a view from the side;
  • FIG. 5 shows the sailing rig according to FIG. 4 in a view from the front
  • Fig. 6 shows the sailing rig according to Fig. 4 in cross section at the height of the large tree.
  • FIGs 1, 2 and 3 a sailing rig for a sailing board is shown.
  • the sail 1 has an asymmetrical, generally rectangular outline shape, each with two acute angles on the sail top 6 and lower 7, as well as their and rear clew
  • the sail 7 has eyelets 11 on the lower leg, which allow the sail 1 to be stretched vertically.
  • a mast pocket 4 with an opening in the lower sail 7 is sewn diagonally through the sail surface from the sail top 6 to the lower sail to the sail 1.
  • the mast pocket can also be attached to the sail welded or glued. This depends on the material used for the sail 1 and the mast pocket 4.
  • the elastic mast 2 which preferably has a flat cross section, the longitudinal axis of which is parallel to the sail and is at least twice as large as the transverse axis which is transverse to the sail.
  • the front part of the boom 3 is attached to the sheet horn of the angled, mastless luff.
  • Figure 2 shows a front view of the same rig.
  • er ⁇ is clear how the mast together side concave bends with the sail to Luv ⁇ , and that the angled luff 8 • the boom front end of the top of the mast and the mast-Sch ⁇ part toward a kind Verstagungs function takes , which prevents the mast and with it also the sail from bending on the other side, ie convex towards the windward side.
  • FIG. 3 shows the cross section of the same rig at boom height.
  • the fore and aft leech horn 8 and their connection to the boom 3 can be seen.
  • the horizontal cross section of the sail profile 1 the mast pocket 4 which hardly generates air resistance and the elastic, slat-shaped mast 2 contained therein.
  • This mast has a flat one Cross-section whose longitudinal axis is at least twice as long as its transverse axis.
  • the mast of Figure 3 has a longitudinal axis which is four times longer than the transverse axis.
  • the ratio between the longitudinal axis and the transverse axis of its cross section can vary. This is especially true when the mast is tapered young towards the mast top.
  • This rig is suitable for conventional sailing, in which the same luff is always directed against the wind.
  • the rig shown in FIGS. 4, 5 and 6 differs from the above in that the sail has a symmetrical cut to the left and right of the mast 2 and that it is only provided with a large boom rod 5 on one side.
  • This rig is especially suitable for fast jibing, because the rig no longer has to be turned.
  • the sailor always stays on the same side of the sail. This also applies to the neck and turn maneuvers.
  • the wind can blow on both sides of the licks.
  • the windward side is always the side of the sail where the boom pole 5 is attached.
  • the mast pocket is preferably sewn onto the windward side of the sail.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
  • Jib Cranes (AREA)

Abstract

Le gréement de voile possède une voile (1) coupée en principe en quadrilatère, à travers la voilure de laquelle est monté de l'extrémité du mât (6) jusqu'à la ralingue de fond (7) un fourreau de mât (4) où est enfoncé un mât élastique (2) de section transversale plate. Le wishbone (3) ou la perche de bôme (5) est relié à l'avant au point d'écoute du guindant (8) et à l'arrière au point d'écoute de la ralingue de chute (8). En choisissant une forme convexe, le bord de la voile, c'est-à-dire les ralingues, maintient à l'égard de la voilure à l'intérieur des ralingues une tension accrue. Ainsi, déjà lors de l'opération de tension, la voile se gonfle non seulement horizontalement, mais aussi verticalement. En cas de pression du vent se produit un gonflement de la voile concave et dirigé face au vent. Le mât (2) relié à la voile (1) sur toute la voilure par le fourreau de mât (4) se plie alors dans la même direction que la voile (1). La tension des guindants et des ralingues de chute pliés en U produit un effet de triangulation dont l'action est similaire à un virage de bord, tout en empêchant que la pointe du mât ne s'écarte vers le côté sous le vent. Les forces de tension de la voile agissant sur le mât (2) depuis devant et depuis derrière s'équilibrent entre elles; les forces agissant sur le mât (2) sont par conséquent faibles. Il est ainsi possible de construire un mât (2) plus léger et plus élastique. Le guindant sous mât n'offre qu'une résistance à l'air minime et favorise un écoulement laminaire; il en résulte essentiellement une amélioration de la puissance d'avancement et une réduction des forces transversales. En outre, ce gréement de voile permet un angle d'attaque au vent plus plat, si bien qu'il est possible de naviguer avec une voile plus haute. Comme la pointe du mât se plie face au vent en cas de pression du vent, l'écoulement de l'air dans la zone supérieure de la voile ne peut pas s'interrompre.
EP84902436A 1983-07-06 1984-06-25 Greement de voile Expired EP0148217B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84902436T ATE31173T1 (de) 1983-07-06 1984-06-25 Segel-rigg.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH3696/83 1983-07-06
CH369683A CH655472B (fr) 1983-07-06 1983-07-06

Publications (2)

Publication Number Publication Date
EP0148217A1 true EP0148217A1 (fr) 1985-07-17
EP0148217B1 EP0148217B1 (fr) 1987-12-02

Family

ID=4261564

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84902436A Expired EP0148217B1 (fr) 1983-07-06 1984-06-25 Greement de voile

Country Status (6)

Country Link
US (1) US4665854A (fr)
EP (1) EP0148217B1 (fr)
AU (1) AU3060684A (fr)
CH (1) CH655472B (fr)
DE (1) DE3467877D1 (fr)
WO (1) WO1985000333A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0192688B1 (fr) * 1984-08-31 1989-03-01 Peter Dr. Ing. Plica Voilure symetrique
FR2597066A1 (fr) * 1986-04-10 1987-10-16 Bard Gerald Ensemble propulsif avec voile symetrique
FI91620C (fi) * 1993-04-28 1994-07-25 Lasse Jaemsae Kalvorakenne
US6116177A (en) * 1998-05-28 2000-09-12 Conant; Carson V. Mast with top boom
US8739721B2 (en) 2010-12-09 2014-06-03 International Laser Class Association Radial sail with reinforced luff tube
CN112027044A (zh) * 2020-09-15 2020-12-04 大连理工大学 可智能控制收紧方向的格栅型风帆

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2379429A1 (fr) * 1977-02-04 1978-09-01 Zurfluh Gerard Greement de navire a voile
DE2802471A1 (de) * 1978-01-20 1979-07-26 Siegfried Blech Rigg fuer ein segelbrett
US4186680A (en) * 1978-01-24 1980-02-05 Harpole George B Sail assembly
DE2951209A1 (de) * 1979-12-19 1981-06-25 Mistral Windsurfing AG, Nürensdorf, Zürich Rigg fuer segelboote, eissegler u.ae. fahrzeuge
DE3024954A1 (de) * 1980-07-02 1982-01-28 Dirk Dipl.-Ing. Althaus Rigg fuer fahrzeuge unter segel
US4369724A (en) * 1980-08-05 1983-01-25 John Weiss Wingsail
DE3047410A1 (de) * 1980-12-17 1982-07-15 Otto Dr.med. 5000 Köln Jung Segelbrett-rigg
CH649053A5 (de) * 1982-05-18 1985-04-30 Urs Peter Meyer Segelmast.

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO8500333A1 *

Also Published As

Publication number Publication date
DE3467877D1 (en) 1988-01-14
WO1985000333A1 (fr) 1985-01-31
CH655472B (fr) 1986-04-30
US4665854A (en) 1987-05-19
AU3060684A (en) 1985-02-07
EP0148217B1 (fr) 1987-12-02

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