EP0299356A1 - Système pour changer la position du mât de voiliers - Google Patents

Système pour changer la position du mât de voiliers Download PDF

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Publication number
EP0299356A1
EP0299356A1 EP19880110852 EP88110852A EP0299356A1 EP 0299356 A1 EP0299356 A1 EP 0299356A1 EP 19880110852 EP19880110852 EP 19880110852 EP 88110852 A EP88110852 A EP 88110852A EP 0299356 A1 EP0299356 A1 EP 0299356A1
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EP
European Patent Office
Prior art keywords
mast
pendulum
sailing ship
weight
pivot point
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
EP19880110852
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German (de)
English (en)
Other versions
EP0299356B1 (fr
Inventor
Erich Dr. Haigis
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.)
Haigis Erich Dr
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Haigis Erich Dr
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Publication date
Application filed by Haigis Erich Dr filed Critical Haigis Erich Dr
Priority to AT88110852T priority Critical patent/ATE78768T1/de
Publication of EP0299356A1 publication Critical patent/EP0299356A1/fr
Application granted granted Critical
Publication of EP0299356B1 publication Critical patent/EP0299356B1/fr
Anticipated expiration legal-status Critical
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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 
    • 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 
    • B63B15/00—Superstructures, deckhouses, wheelhouses or the like; Arrangements or adaptations of masts or spars, e.g. bowsprits
    • B63B2015/0016—Masts characterized by mast configuration or construction
    • B63B2015/005—Masts characterized by mast configuration or construction with means for varying mast position or orientation with respect to the hull
    • B63B2015/0066—Inclinable masts with passive righting means, e.g. counterbalancing means

Definitions

  • the present invention relates to a construction system with which the mast of sailing ships can be changed in its position in relation to the boat hull in accordance with the wind strength.
  • the mast foot rests in a joint, which allows the mast to be tilted to both sides as well as to the front and back.
  • the position of the mast is influenced by a weight that can be moved laterally and forwards and backwards in the boat hull.
  • the mast In conventional ships, the mast, or - in the case of multi-masted ships - the masts are connected to the ship's hull in a ready-to-sail condition at a fixed angle.
  • the mast is always held in the same, upright position over shrouds and stays in relation to the hull. If the mast tilts under the wind pressure, the ship will lean to the same extent.
  • Component A which is directed towards the front, causes the ship to travel forwards and, on the other hand, a torque by which the bow of the ship is loaded and the stern is relieved.
  • the lateral force B which becomes significant in the upwind course, causes the ship to drift on the one hand and a torque about the tilt axis (s) of the hull on the other. As a result of this torque, the ship is heeling.
  • component A When the boat hull is slanted or the mast is slanted to the side, component A creates a torque around the vertical, central axis of the hull. This torque turns the ship "into the wind". With the mast at an angle, tilted towards Lee, the vertical component C points downwards. On the one hand, it loads the hull and, on the other hand, creates a torque that adds to the torque from component B and increases the heeling of the ship.
  • the present invention consists in decoupling the rigid connection between the mast and the hull to avoid the transmission of torques which are generated by the forces A, B & C to the hull.
  • this decoupling takes place in that the mast foot F is mounted in a movable joint (ball joint, universal joint) on the one hand and on the other hand in that the described torques are positioned by one or more suitably heavy and suitably in the boat hull weights are opposed to the opposite torques; so that the torque around the mast foot joint becomes zero.
  • the weights accommodated in the boat hull must be connected to the mast foot in such a way that they only influence the torques of the mast and do not transmit any disadvantageous torques to the hull.
  • Such a weight only transmits no torque to the hull if it is exclusively attached to the mast or mast foot F (pivot point) (Fig. 1).
  • the weight can be suspended from the mast by means of ropes or by means of cables that are adjustable in length.
  • Such a weight can also be suspended from the mast or at the base of the mast via a stable pendulum arm that can withstand tensile and pressure loads (Fig. 1).
  • Such a weight can also be attached to a ring system which rotates freely around the pivot point D (Fig. 3).
  • a single counterweight or an entire system with several counterweights in corresponding positions can be used to compensate for the torques resulting from forces A, B and C (Fig. 1).
  • the sum of all weights and their lever arms with reference to the mast base pivot point F must lead to the cancellation of the torques around this pivot point F.
  • the compensation of the torques can be limited to the torque resulting from the forces B and C, that is to say to the compensation of the rotation about the ship's longitudinal axis.
  • the weight or weights can always be raised to different heights with respect to the pivot point F or D and swung out to the side to different degrees.
  • the pendulum arm, or the pendulum arms, which serve on the one hand to carry the weights, but whose function is primarily in pivoting out and keeping the weight at a distance to the fulcrum F, can be designed so that their length is adjustable. This means that this adjustable length of the pendulum arm allows the weight to be guided on a path that does not correspond to a circular path with center F.
  • the advantage of the present invention is that the torques acting on the mast are canceled. This makes it possible to place the mast in the position under which the wind power can be used to the maximum. Depending on the wind strength, the mast can be placed vertically, placed upwind and / or backwards. If the mast is inclined upward, the vertical force C no longer points downwards as in Fig. 1, but upwards and relieves the load on the sailing ship.
  • the described system of a mast that does not transmit any torque to the hull can also be used for ships with several masts.
  • Each mast can be individually changed in its position, or the different masts can be adjusted in a coordinated manner depending on each other and brought into an optimal mutual position.
  • the identification and determination of the optimal mast position for maximum utilization of the wind power can take place on the basis of human judgment or using technical equipment.
  • data can be collected via measuring devices and sensors for measuring the wind force and the force M acting on the mast, as well as angle measuring devices, which can be used via electronic data processing to control the pendulum weight (or the various pendulum weights) and thus to determine the mast position.
  • the position of the pendulum weight or the pendulum weights can be changed via rope systems and winches by man power or with the help of motors.
  • the positioning of the pendulum weight and the adjustment of the length of the pendulum arm can also be done via hydraulic systems.
  • US Patent 3,985,106 describes a stabilization system for sailing ships, which consists in that the mast is laterally rotatably mounted and carries a counterweight. In addition, the mast is attached to weights that can be pulled up laterally in the boat hull.
  • the pivot point of the mast is a simple joint, which allows only a lateral rotation, but not a forward or backward inclination of the mast.
  • the mast is extended beyond the pivot point down into the hull as a continuous straight rod; the fulcrum is not the mast end. The free rotation of the mast is prevented by the cables with which the counterweight on the mast is connected to the pull-up weights in the fuselage, and torques are transmitted to the fuselage.
  • CH Patent Application No. 1148 / 87-3 describes a construction system for tilting the mast of sailing ships towards windward.
  • An essential feature of this patent is a pendulum weight (dolphin) which lies outside the hull under the ship or laterally in the water and over which the mast is held.
  • the mast is not continued downward beyond the pivot point in order to bear a counterweight directly connected to it in the hull.
  • a counterweight directly connected to it in the hull apart from the mast base pivot point (F or D), any firm connection of the mast to the boat hull is avoided.
  • the counterweight or the counterweights in the system described here are not brought into contact with the hull, so that no torques are transmitted to the hull.
  • the mast and the counterweight (or the counterweights) form a unit which transmits the transmission of all forces acting on the mast to the pivot point F or D without torque.
  • the counterweight (or the counterweights) for positioning the mast is arranged in the interior of the ship's hull in the present system. This has the advantage that there is no driving resistance due to a counterweight in the water (dolphin). Another advantage is that the counterweight in the hull weighs more buoyancy than the same weight outside the boat under water.
  • FIG. 2 shows a cross section through the hull of a sailing ship.
  • the mast can be swiveled freely around the mast base (F).
  • the mast foot F is designed as a ball joint or universal joint.
  • the mast foot F is the lower end of the mast.
  • a pendulum arm is attached, which is also freely pivotable on all sides.
  • a weight G is attached to the lower end of this pendulum arm.
  • the weight G can consequently swing out freely on all sides, that is to say laterally as well as forwards and backwards.
  • the weight G does not touch the hull on its pendulum motion (G ′).
  • two pendulums can also be fastened at point F, the one pendulum only being deflected laterally and the second pendulum being able to be deflected in the axial direction (forward - backward).
  • the two ends of a wire rope are attached to the pendulum weight G, which establishes the fixed connection of G with the mast via several rollers.
  • the distance from G via L to F can be shortened or extended.
  • the distance from G via R to F increases or decreases accordingly.
  • the length of the polyline remains the same.
  • the deflection from G to G ′ takes place using a cable winch in point F.
  • the force M acting on the mast must be compensated for by a suitable choice of the weight G and by an appropriate deflection of the weight (force P).
  • the torque applied to the mast is canceled by P.
  • Only the forces acting on point F are transferred to the hull.
  • the hull is stabilized by the keel K.
  • the system described can be used for each mast individually or in mutual coordination.
  • Figure 3 shows a cross section through a ship's hull.
  • the pivot point D is "caught" by a double ring system.
  • the pivot point D is both the pivot point for the mast and the pivot point for the pendulum weight G.
  • the double ring system consists of two rings, both of which are freely rotatable relative to the boat hull and which can also be freely rotated concentrically with respect to one another.
  • the mast is attached to one of the two rings and the pendulum weight G to the other. By mutually adjusting the rings against each other, the position of the weight G relative to the mast can be changed and fixed as required.
  • the hull is stabilized by the keel K.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Jib Cranes (AREA)
  • Wind Motors (AREA)
  • Control And Safety Of Cranes (AREA)
  • Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)
  • Toys (AREA)
  • Traffic Control Systems (AREA)
EP88110852A 1987-07-14 1988-07-07 Système pour changer la position du mât de voiliers Expired - Lifetime EP0299356B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88110852T ATE78768T1 (de) 1987-07-14 1988-07-07 System zur veraenderung der maststellung bei segelschiffen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH267587 1987-07-14
CH2675/87 1987-07-14

Publications (2)

Publication Number Publication Date
EP0299356A1 true EP0299356A1 (fr) 1989-01-18
EP0299356B1 EP0299356B1 (fr) 1992-07-29

Family

ID=4239055

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88110852A Expired - Lifetime EP0299356B1 (fr) 1987-07-14 1988-07-07 Système pour changer la position du mât de voiliers

Country Status (6)

Country Link
EP (1) EP0299356B1 (fr)
AT (1) ATE78768T1 (fr)
AU (1) AU613055B2 (fr)
DE (1) DE3873199D1 (fr)
ES (1) ES2034042T3 (fr)
NZ (1) NZ225282A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2763911A1 (fr) * 1997-05-28 1998-12-04 Andre Francois Jean Pier Bosle Dispositif de fixation des mats de bateaux a inclinaison modulable anti-cassages anti-retournements et insubmersibilite
DE19925958A1 (de) * 1999-06-02 2000-12-07 Frank Dietmar Haese Mastwippe
FR2948626A1 (fr) * 2009-08-03 2011-02-04 Cmbl Distrib Voilier monocoque avec un mat monte sur un anneau rotatif

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2087026A5 (fr) * 1970-04-17 1971-12-31 Webert Andre
DE2249542A1 (de) * 1972-10-10 1974-04-18 Otto Heinz Dipl Ing Brandi Mastanordnung fuer segelboote
US3972300A (en) * 1974-05-28 1976-08-03 Adamski Leo J Sailing craft
DE2913434A1 (de) * 1979-04-04 1980-10-16 Gerhard B Dr Heinze Vorrichtung zur verminderung oder vermeidung der kraengung und kentergefahr von segelbooten

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2087026A5 (fr) * 1970-04-17 1971-12-31 Webert Andre
DE2249542A1 (de) * 1972-10-10 1974-04-18 Otto Heinz Dipl Ing Brandi Mastanordnung fuer segelboote
US3972300A (en) * 1974-05-28 1976-08-03 Adamski Leo J Sailing craft
DE2913434A1 (de) * 1979-04-04 1980-10-16 Gerhard B Dr Heinze Vorrichtung zur verminderung oder vermeidung der kraengung und kentergefahr von segelbooten

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2763911A1 (fr) * 1997-05-28 1998-12-04 Andre Francois Jean Pier Bosle Dispositif de fixation des mats de bateaux a inclinaison modulable anti-cassages anti-retournements et insubmersibilite
DE19925958A1 (de) * 1999-06-02 2000-12-07 Frank Dietmar Haese Mastwippe
FR2948626A1 (fr) * 2009-08-03 2011-02-04 Cmbl Distrib Voilier monocoque avec un mat monte sur un anneau rotatif
FR2948627A1 (fr) * 2009-08-03 2011-02-04 Cmbl Distrib Voilier monocoque a anneau rotatif
WO2011015542A1 (fr) * 2009-08-03 2011-02-10 Cmbl Distribution Voilier monocoque a anneau rotatif

Also Published As

Publication number Publication date
AU1869488A (en) 1989-01-19
NZ225282A (en) 1990-10-26
ATE78768T1 (de) 1992-08-15
ES2034042T3 (es) 1993-04-01
AU613055B2 (en) 1991-07-25
DE3873199D1 (de) 1992-09-03
EP0299356B1 (fr) 1992-07-29

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