EP0148217B1 - Segel-rigg - Google Patents

Segel-rigg Download PDF

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Publication number
EP0148217B1
EP0148217B1 EP84902436A EP84902436A EP0148217B1 EP 0148217 B1 EP0148217 B1 EP 0148217B1 EP 84902436 A EP84902436 A EP 84902436A EP 84902436 A EP84902436 A EP 84902436A EP 0148217 B1 EP0148217 B1 EP 0148217B1
Authority
EP
European Patent Office
Prior art keywords
sail
mast
rig
leech
boom
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
EP84902436A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0148217A1 (de
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/de
Application granted granted Critical
Publication of EP0148217B1 publication Critical patent/EP0148217B1/de
Expired legal-status Critical Current

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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 sailing vehicles, especially for sailing boards, which mast is unbalanced and rotatably and pivotably connected to the sailing vehicle.
  • masts with a large cross section have been chosen.
  • a thick mast on the leading edge of the sail has a very aerodynamically disadvantageous effect in that it not only slows down the air flow, but also sets it in turbulence, which in particular nullifies the negative pressure on the leeward side that is necessary for propulsion.
  • the air resistance increases by more than 50% and the lift decreases by approx. 20%. This means that the propulsive force is reduced.
  • the masts with a thinner cross section are chosen, which has the further disadvantage of mast deformation. The problem of this undesired mast deformation in strong winds is solved in larger sailing vehicles by a staging, but the staging itself again creates air resistance and turbulence.
  • US Pat. No. 4,369,724 shows how the disadvantages mentioned (increase in air resistance, turbulence, reduction in propulsive force due to mast and adjuster) can also be eliminated with a non-elastic mast with a thicker cross section.
  • the mast is housed within a wing sail made of two canvas so that it is not exposed to the wind.
  • the adjuster cables are both incorporated in the edge of the sail at the point where the two cloths are connected, and attached to the mast top.
  • the mast can be adjusted relative to the curved boom, one half of which is also housed within the wing-shaped sail. For this purpose the tension of the
  • Edge of the sail housed meeting cable can be changed.
  • the disadvantages particularly associated with the mast have been eliminated with a lot of effort and a complicated operation.
  • the wing-shaped sail When the wing-shaped sail is in the water, its interior fills with water through the recesses for the boom. The fully loaded sail can only be lifted out of the water and put into its use position with great effort. This process takes a particularly long time, since the sail has no special openings for the outflow of the penetrated water.
  • the invention is therefore based on the object to enable the production of sail rigs with simple components, which generate even more propulsion and less air resistance with the same wind strength and sail area, which produce useful propulsion even at a smaller angle of attack and are simple and easy to use .
  • these rigs should be a bit more manageable, lighter and cheaper to manufacture.
  • the positioning of the flat, elastic mast through the surface of the sail in the area of the deepest profile curvature of the sail ensures that the luff does not need a disturbing mast.
  • the air flowing in from the front can sweep over the sail without being braked or swirled, creating a lot of effective propulsion. This is especially true for the front third of the leeward side of the sail, where, as is known, most of the propulsion takes place in laminar flow, and this even with a very flat angle of attack of z. B. 10 ° to 15 °.
  • 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 sail curvature 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 leech, both of which are braced on the large boom, have the effect of a built-in meeting.
  • the mast tip and the mast base are bent against windward. This "catches" the wind and it no longer breaks out in the sail top. It is not tragic that the mast that runs across the sail can possibly cause a small kink in the horizontal sail profile curvature, because on the leeward side of the sail the flow breaks off even with ideal profiling at the point of the largest curvature, while this is open the windward side under pressure has no effect at all.
  • the mast which is attached across the sail, prevents the lowest point of the arch of the sail from being able to move backwards under high wind pressure, which means that the sail pressure point hardly changes anymore, so that sailing is easier and more pleasant because you no longer need to sail as much. Trim and change the sail position in gusty winds.
  • the sail-rig version with the one-sided boom and the symmetrically cut sail can save at least 1 kg in weight.
  • 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 each . has two obtuse angles on the front and rear clew 8 of the luff and leech. All 4 sailing corners are reinforced.
  • the sail has eyelets 11 on the lower leg 7, which allow the sail 1 to be tensioned vertically.
  • a mast pocket 4 with an opening in the lower sail 7 is sewn to sail 1 diagonally from the sail top 6 to the lower sail through the sail area.
  • the mast pocket can also be welded or glued to the sail. 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, is located in this mast pocket. whose longitudinal axis lying parallel to the sail is at least twice as large as the transverse axis lying transverse to the sail.
  • the front part of the boom 3 is attached to the clew of the angled, mastless luff. This extends to the clew in the angled leech and gives the sail the necessary horizontal tension. Because this drawing shows the sail rig of a sail board, an articulable and swiveling mast foot 10 with the usual rubber joint is shown at the bottom of mast 2.
  • Figure 2 shows a front view of the same rig. It can be seen how the mast bends concavely together with the sail towards the windward side, and that the angled luff from the front boom end to the mast tip and the lower part of the mast takes on a kind of adjunct function, which prevents the mast from bending and with it also the sail to the other side, d. H. convex towards the windward side. bends.
  • FIG 3 the cross section of the same rig is shown at boom height. You can see the forward and stern leech 8 and their connection to the boom 3. Furthermore, you can see the horizontal cross section of the sail profile 1, the barely generating drag pocket 4 and the elastic, slat-shaped mast contained therein.
  • This mast has a flat cross section, the 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 tapers towards the mast top.
  • This rig is suitable for conventional sailing, where the same luff is always directed against the wind.
  • the rig shown in Figures 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 on one side with a large boom rod 5.
  • This rig is especially suitable for quick jibs, 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 on 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)
EP84902436A 1983-07-06 1984-06-25 Segel-rigg Expired EP0148217B1 (de)

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
CH369683A CH655472B (enrdf_load_stackoverflow) 1983-07-06 1983-07-06
CH3696/83 1983-07-06

Publications (2)

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

Family

ID=4261564

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84902436A Expired EP0148217B1 (de) 1983-07-06 1984-06-25 Segel-rigg

Country Status (6)

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

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1986001481A1 (en) * 1984-08-31 1986-03-13 Peter Plica Symmetrical rigging
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

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0094661A2 (de) * 1982-05-18 1983-11-23 Urs P. Meyer Segelmast

Family Cites Families (7)

* 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

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0094661A2 (de) * 1982-05-18 1983-11-23 Urs P. Meyer Segelmast

Also Published As

Publication number Publication date
EP0148217A1 (de) 1985-07-17
DE3467877D1 (en) 1988-01-14
AU3060684A (en) 1985-02-07
CH655472B (enrdf_load_stackoverflow) 1986-04-30
WO1985000333A1 (en) 1985-01-31
US4665854A (en) 1987-05-19

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