DE3025039A1 - Stabilised canoe for white water - has height to width ratio greater than one with raised shape behind crew - Google Patents

Stabilised canoe for white water - has height to width ratio greater than one with raised shape behind crew

Info

Publication number
DE3025039A1
DE3025039A1 DE19803025039 DE3025039A DE3025039A1 DE 3025039 A1 DE3025039 A1 DE 3025039A1 DE 19803025039 DE19803025039 DE 19803025039 DE 3025039 A DE3025039 A DE 3025039A DE 3025039 A1 DE3025039 A1 DE 3025039A1
Authority
DE
Germany
Prior art keywords
canoe
crew
stabilised
height
white water
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
DE19803025039
Other languages
German (de)
Other versions
DE3025039C2 (en
Inventor
Alois Anton 8000 München Hommer
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 DE3025039A priority Critical patent/DE3025039C2/en
Publication of DE3025039A1 publication Critical patent/DE3025039A1/en
Application granted granted Critical
Publication of DE3025039C2 publication Critical patent/DE3025039C2/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B34/00Vessels specially adapted for water sports or leisure; Body-supporting devices specially adapted for water sports or leisure
    • B63B34/20Canoes, kayaks or the like
    • B63B34/21Canoes, kayaks or the like characterised by constructional features
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B1/00Hydrodynamic or hydrostatic features of hulls or of hydrofoils
    • B63B1/02Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement
    • B63B1/04Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with single hull
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B43/00Improving safety of vessels, e.g. damage control, not otherwise provided for
    • B63B43/02Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking

Abstract

The stabilised canoe for white water has a narrow profile with the height greater than the width. This provides a stable position flat on either side with the head of the crew along the waterline. It prevents a totally upturned setting and reduces underwater injury risk. The hull is taken up behind the crew into a sealed shape for added support. The canoe rapidly assumes a flat, lateral position when turned over. It is safer than conventional, wide hull shapes which perform slowly in an eskimo roll.

Description

Titel: UKENTERB1JUS WILDWASSERBOOTTitle: UKENTERB1JUS WHITEWATER BOAT

Anwendungsgebiet: Die Erfindung betrifft eine Bootsform für ein unkenterbares Wildwasserboot; insbe-- sondere für Kajaks und Ganadier.Field of application: The invention relates to a boat shape for a non-capsized boat Whitewater boat; especially for kayaks and ganadiers.

Zweck: Neben der guten Manövrierbarkeit wird bei derartigen Booten eine weitgehende Kenter-- sicherheit gefordert.Purpose: In addition to good maneuverability, this type of boat extensive capsizing safety is required.

Stand der Technik mit Fundstellen: Um Kentersicherheit zu erreichen, hat man die Unterschiffe bis heute bei möglischst tiefem Schwerpunkt (Sitz auf der Unterschale) flach und so breit wie möglich gestaltet. Die Relation "breiter als hoch" wurde verstärkt. In der einschlägigen Literatur ist bisher wenig auf die Bedeutung des Oberschiffes für das Kenterverhalten eingegangen worden. Robert Steidle weist in seinem Buch auf Seite 17 auf die Scheinsicherheit breiter Boote hin.State of the art with found sites: To achieve capsizing security, the lower ships are still with the lowest possible center of gravity (seat on the Lower shell) designed to be flat and as wide as possible. The relation "wider than high "has been reinforced. In the relevant literature little attention has been paid to the meaning of the upper part of the ship for capsizing behavior. Robert Steidle points in his book on page 17 on the pseudo-safety of wide boats.

Robert Steidle, "Wildwasserfahren - Technik - Training - Taktik", BLV Verlagsgesellschaft, München 1976, S. 10 - 18 Herbert Rittlinger, "Die neue Schule des Kanusports", Brockhaus Wiesbaden 1977, S. 52 Y 64 Kritik des Standes der Technik: Das Ergebnis waren Boote mit hoher Anfangsstabilität und geringer Endstabilität; breite Boote sind nach der Kenterung nur schwer durch die Eskimorolle aufzurichten.Robert Steidle, "Whitewater Rafting - Technique - Training - Tactics", BLV Verlagsgesellschaft, Munich 1976, pp. 10-18 Herbert Rittlinger, "Die neue School of Canoeing ", Brockhaus Wiesbaden 1977, p. 52 Y 64 criticism of the state the technology: The result were boats with high initial stability and low final stability; wide boats are difficult to straighten after capsizing due to the Eskimo roll.

Sie sind langsam und dadurch nicht mehr so gut steuerbar; die Möglichkeit zur konstruktiven Verbreiterung von Wildwasserbooten sind aufgrund der Anforderungen (z.B. enge Durchfahrten) ohnehin begrenzt.They are slow and therefore not so easy to control; the possibility for constructive widening of whitewater boats are due to the requirements (e.g. narrow passageways) limited anyway.

Aufgabe: Der Erfindung liegt die Aufgabe zugrunde, Unkenterbarkeit ohne Verbreiterung und Veränderung von optimalen Unterschiffskonstruktionsmerkmalen zu erreichen.Task: The invention is based on the task of not capsizing without broadening and changing optimal lower ship construction features to reach.

Lösung: Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß die herkömmliche Relation breiter als hoch" umgekehrt wird. Durch das Verdrängungsverhalten eines entsprechend hohen Oberschiffes kann das Boot nicht durchkentern. Die größte Höhe des Bootes soll der Höhe des -sitzenden Fahrers entsprechen bzw. sich an diese annähern. Die Formrelation ist also "höher als breit.Solution: This object is achieved according to the invention in that the conventional relation wider than high "is reversed. By the displacement behavior a correspondingly high upper aisle cannot overturn the boat. The largest The height of the boat should correspond to the height of the seated driver or to adhere to this approach. The form relation is "higher than wide."

Erzi elbare Vorteile: Unkenterbarkeit: Das Boot legt sich zur Seite und hat eine maximale Endstabilität.Achievable advantages: No capsizing: the boat leans to one side and has a maximum final stability.

Es erreicht links oder rechts ein stabiles Gleichgewicht, gekennzeichn-et dadurch, daß der Kopf des Fahrers in Wasserspiegelnähe noch immer Zugang zur Atemluft hat. Die Kieloben - Situation" ist nicht möglich.It reaches a stable equilibrium on the left or on the right, marked in that the driver's head still has access to breathing air near the water level Has. The Kieloben situation "is not possible.

Das Boot kann leicht, auch von Ungeübten, wieder in die Normallage gebracht werden.The boat can easily be returned to its normal position, even by inexperienced users to be brought.

Schwimmen wird vermieden. Durch mehr Volumen erhält das Boot mehr Auftrieb in schwerem Wasser. Durch eine Überrollbügelfunktion des hohen Oberschiffes erhöht sich die Sicherheit bei Überschlägen im verblockten oder seichten Wildwasser oder beim Brandungs paddeln. Insgesamt wird also die Verletzungs gefahr durch Unterwasserhindernisse stark vermindert.Swimming is avoided. More volume gives the boat more Buoyancy in heavy water. With a roll bar function of the high transept increases safety in the event of rollover in blocked or shallow white water or paddling in the surf. Overall, the risk of injury from underwater obstacles greatly diminished.

Beschreibuug eines husführungsbeispieles: Ein Ausführuisbeispiel der Erfindung ist in de Zeichnung dargestellt und wird im folgenden näher beschrieben.Description of a building example: An example of execution of the The invention is illustrated in the drawing and is described in more detail below.

Es zeigen Figur 1: Langs- und Querschnitt eines herkömmlichen Wiidwserkaj aks Figur 2: Langs- und Querschnitt des neu erfundenen Wildwasserbootes. Das Boot ist im Gegensatz zu dem in Figur 1 dargestellten höher als breit.It shows Figure 1: Longitudinal and cross-section of a conventional Wiidwserkaj aks Figure 2: Longitudinal and cross-section of the newly invented whitewater boat. The boat In contrast to the one shown in FIG. 1, it is higher than it is wide.

Figur 1a, b und c zeigen das Kenterverhalten eines konventionellen Kajaks. Das Boot kentert, wenn ein Lot durch den Massenschwerpunkt des Systems "Boot - Fahrer" die durch die Wasserlinie des Bootes aufgespannte Fläche nicht mehr schneidet. Die "Kieloben - Situation" ist ein stabiler Endzustand.Figure 1a, b and c show the capsizing behavior of a conventional one Kayaks. The boat capsizes when a perpendicular through the center of gravity of the system "Boot - Driver "no longer intersects the area spanned by the waterline of the boat. The "keel above situation" is a stable final state.

Figur 2a und b zeigen das Krängungsverhalten des erfundenen Bootes. Das Boot legt sich zur Seite bis die krängenden Drehmomente durch die nun zunehmenden, entgegengesetzt wirkenden Auftriebsmomente des Oberschiffes aufgehoben werden. Das Boot kann nicht durchkentern; eine "Kieloben - Situation als stabiler Endzustand ist nicht möglich. Der Fahrer hat mit seinem Kopf in der Nähe der Wasseroberfläche noch inmer Zugang zur Atemluft.Figures 2a and b show the heeling behavior of the invented boat. The boat lays to one side until the heeling torques are caused by the now increasing, counteracting buoyancy moments of the transept are canceled. That Boat cannot overturn; a "keel-up" situation as a stable final state can not. The driver has his head near the water surface still have access to breathing air.

Claims (1)

Patentanspruch Oberbegriff: Bootsform für ein unkenterbares Wildwasserboot, insbesondere für Kajak oder Canadier Kennzeichnender Teil: dadurch gekennzeichnet, daß ein bis zur Höhe des sitzenden Fahrers überhöhtes Oberschiff die Formrelation "höher als breit" herstellt. Claim generic term: boat shape for a wild water boat that cannot capsize, in particular for kayaks or canoes Characteristic part: characterized, that an upper aisle raised up to the height of the seated driver is the form relation "taller than wide".
DE3025039A 1980-07-02 1980-07-02 Boat shape for a wild water boat that cannot capsize Expired DE3025039C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE3025039A DE3025039C2 (en) 1980-07-02 1980-07-02 Boat shape for a wild water boat that cannot capsize

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3025039A DE3025039C2 (en) 1980-07-02 1980-07-02 Boat shape for a wild water boat that cannot capsize

Publications (2)

Publication Number Publication Date
DE3025039A1 true DE3025039A1 (en) 1982-01-21
DE3025039C2 DE3025039C2 (en) 1982-09-16

Family

ID=6106232

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3025039A Expired DE3025039C2 (en) 1980-07-02 1980-07-02 Boat shape for a wild water boat that cannot capsize

Country Status (1)

Country Link
DE (1) DE3025039C2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1149759A1 (en) * 2000-04-26 2001-10-31 Jean-Francois Vincent Marine safety projection

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2243859A1 (en) * 1973-09-13 1975-04-11 Rinaldi Victor Floating vessel with spherical grid structure - metal grid detected by radar allows wind to pass through it

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2243859A1 (en) * 1973-09-13 1975-04-11 Rinaldi Victor Floating vessel with spherical grid structure - metal grid detected by radar allows wind to pass through it

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1149759A1 (en) * 2000-04-26 2001-10-31 Jean-Francois Vincent Marine safety projection

Also Published As

Publication number Publication date
DE3025039C2 (en) 1982-09-16

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Legal Events

Date Code Title Description
OM8 Search report available as to paragraph 43 lit. 1 sentence 1 patent law
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8339 Ceased/non-payment of the annual fee
8370 Indication related to discontinuation of the patent is to be deleted
8339 Ceased/non-payment of the annual fee