topcat k1 catamaran

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Recreational sport catamaran K1 regatta instructional single-handed

Characteristics

5.5 m (18'00" )

175 kg (386 lb)

Max.:  16.7 m² (179.8 ft²)

Min.:  14.2 m² (152.8 ft²)

Max.:  5.4 m² (58.1 ft²)

Min.:  4.7 m² (50.6 ft²)

Max.:  18.8 m² (202.4 ft²)

Min.:  16 m² (172.2 ft²)

Description

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• Sailboat Guide

Topcat K1 is a 18 ′ 0 ″ / 5.5 m catamaran sailboat designed by Bernd Breymann/Klaus Enzmann and built by TOPCAT GmbH (GERMANY) starting in 1993.

Rig and Sails

Auxilary power, accomodations, calculations.

The theoretical maximum speed that a displacement hull can move efficiently through the water is determined by it's waterline length and displacement. It may be unable to reach this speed if the boat is underpowered or heavily loaded, though it may exceed this speed given enough power. Read more.

Classic hull speed formula:

Hull Speed = 1.34 x √LWL

Max Speed/Length ratio = 8.26 ÷ Displacement/Length ratio .311 Hull Speed = Max Speed/Length ratio x √LWL

Sail Area / Displacement Ratio

A measure of the power of the sails relative to the weight of the boat. The higher the number, the higher the performance, but the harder the boat will be to handle. This ratio is a "non-dimensional" value that facilitates comparisons between boats of different types and sizes. Read more.

SA/D = SA ÷ (D ÷ 64) 2/3

• SA : Sail area in square feet, derived by adding the mainsail area to 100% of the foretriangle area (the lateral area above the deck between the mast and the forestay).
• D : Displacement in pounds.

Ballast / Displacement Ratio

A measure of the stability of a boat's hull that suggests how well a monohull will stand up to its sails. The ballast displacement ratio indicates how much of the weight of a boat is placed for maximum stability against capsizing and is an indicator of stiffness and resistance to capsize.

Ballast / Displacement * 100

Displacement / Length Ratio

A measure of the weight of the boat relative to it's length at the waterline. The higher a boat’s D/L ratio, the more easily it will carry a load and the more comfortable its motion will be. The lower a boat's ratio is, the less power it takes to drive the boat to its nominal hull speed or beyond. Read more.

D/L = (D ÷ 2240) ÷ (0.01 x LWL)³

• D: Displacement of the boat in pounds.
• LWL: Waterline length in feet

Comfort Ratio

This ratio assess how quickly and abruptly a boat’s hull reacts to waves in a significant seaway, these being the elements of a boat’s motion most likely to cause seasickness. Read more.

Comfort ratio = D ÷ (.65 x (.7 LWL + .3 LOA) x Beam 1.33 )

• D: Displacement of the boat in pounds
• LOA: Length overall in feet
• Beam: Width of boat at the widest point in feet

Capsize Screening Formula

This formula attempts to indicate whether a given boat might be too wide and light to readily right itself after being overturned in extreme conditions. Read more.

CSV = Beam ÷ ³√(D / 64)

Part of a family/brand of catamaran designs, the first of which was the F1, introduced in 1975. It is said the concept is based on the designers dissatisfaction with a trend towards complexity and fragility in many high performance ‘off the beach’ catamarans at the time. In 1985, this evolved into the faster and wider 18ft dual-trapeze “Spitfire” model, still being built, and upon which the K1 is based. (The ‘Regatta’ version features a ‘flat top mainsail, and gennaker for offwind sailing). Recognized as an official ISAF racing class in 2005.

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TOPCAT_Brochure_2013_ENG 24 Pages

Catalog excerpts

A Simple Principle – Sophisticated Technology. Every model in the TOPCAT fleet follows this formula: K1, K2, K3, K4, Chico. Sophisticated Technology At TOPCAT, simple snap-on design allows assembly without tools. All models are equipped with the unique TOPCAT rudder system. The hand laminated GRP hulls with rib and stringer construction meet the highest quality requirements. Refinements like the optional split mast, the practical roller furling jib, or the TOPCAT luff extension are proof of TOPCAT‘s success. Maximum Safety With the righting line integrated into the front beam, righting...

Classic, Streamcut, Regatta * varies depending on the model K1 Regatta – Ready to Race Pentex squarehead sail and jib, reacher

K1 Streamcut – Sport Squarehead sail and jib, Pentex or Dacron K1 Classic – Recreational sailing / sailing schools Classic sail and jib, Dacron The TOPCAT K1 is the flagship of the TOPCAT fleet. The 18 foot catamaran allows you to experience the full force of the wind. As one of the fastest catamarans without dagger­ boards in the world, the K1 always responds reliably, even at top speed. Approved by the International Sailing Federation (ISAF), experienced regatta competitors in the TOPCAT K1 class test their sailing skills at world championships around the world. The higher the demands...

Athletic Allrounder Classic, Streamcut, Reacher * varies depending on the model K2 REacher – Fully equipped Pentex squarehead sail and jib, reacher

K2 Streamcut / Regatta – Ready to Race Squarehead sail and jib, Pentex or Dacron The TOPCAT K2 can be sailed by up to four persons. For recreational sailing, the Cat is the ideal beginner’s boat for the whole family. The high hull design and the steep form offer a lot of buoyancy and guide the K2 safely and reliably through the waves. K2 Classic – Recreational sailing / sailing schools Classic sail and jib, Dacron Equipped with Pentex sails and a double trapeze, experienced crews test their skills against each other at regattas. The One Design Principle is that sailing skills alone, and a...

Classic, Streamcut, Regatta * varies depending on the model K3 Regatta – Ready to Race Pentex squarehead sail and reacher

Sporting Solo Sporty single-handed sailing is the domain of the TOPCAT K3. Single-handed sailing with a reacher and a total sail area of over 30 m2 allows the K3 to show its wild side. K3 Streamcut – Sport Squarehead sail and jib, Pentex or Dacron K3 Classic – Recreational sailing / sailing schools Classic sail and jib, Dacron The transportation, assembling, and righting after capsizing can be performed by just one person. Thanks to its high buoyancy values and spaciousness, this model in the TOPCAT series also offers enough space for up to three people.

Classic, Streamcut, Reacher * varies depending on the model K4 ReAcher – Fully equipped Pentex squarehead sail and jib, reacher

K4 Streamcut – Sport Squarehead sail and jib, Pentex or Dacron K4 Classic – Recreational sailing / sailing schools Classic sail and jib, Dacron The K4 demonstrates the full potential of the TOPCAT principles: high quality workmanship, an enormous potential for speed, and the easiest handling possible during transport and assembly. Thanks to its buoyancy values and incomparable turning proper- ties, the smallest TOPCAT in the K series is perfectly suited for recreational and holiday sailing or sailing with the family. When equipped with a double trapeze and reacher, the K4 turns into a “fun...

Chico Topcatsailing is child’s play! With the TOPCAT Chico, getting started in sailing is child’s play, and you will have tremendous fun sailing! On a Chico, up to three children can learn how to tack, jibe, and all the other manoeuvres the little sailors need to sail safely. After all, learning together is the most fun of all. The flat underwater hull ensures that the Chico is easy to manoeuvre, even in the tightest spaces. The boom as well as sharp corners and edges have been eliminated on purpose to minimize the risk of injury. Plus, you don’t have to be very fussy: with its polyethylene...

Safety for Children: No sharp corners and edges – no boom – no centerboards – TOPCAT rudder system – PE hulls s nder l u c ti o n i sa u to instr i l dren ch o nding

1977 The first Topcat prototype was developed Since 1979 the German shipyard TOPCAT is a family-owned business ISAF Recognized since 2005 World championships

Technology   The Topcat Formula TOPCAT sets the highest quality standards: sophisticated technology according to simple principles. The principle of interchangeable parts and a reliable supply of replacement parts in connection with the highest quality requirements and safety aspects result in the unique TOPCAT formula. The hull construction without centreboards, the patented rudder system (see p. 18), the mobility when assembling and disassembling, and refinements like the optional split mast, roller furling jib, or integrated righting line are proof of TOPCAT’s success, a success unlike...

Hull TOPCAT Streamcut Sail The TOPCAT hulls are manufactured in a shipyard in Italy using the time-consuming hand laminated technique. Multiple layers of polyester resin laminate, continuously developed and refined over decades, guarantee the highest manufacturing standards. The excellent sailing characteristics of the TOPCAT catamarans are an example for all other catamarans without daggerboards: a TOPCAT can be controlled safely, calmly, and predictably, even in critical situations. The long foreship in connection with the special deck shape reduces the risk of undercutting. In addition,...

Catamarans obtain the highest speeds – using only the force of the wind. When flying over the water on one hull, the TOPCAT reaches its absolute speed limit. To ensure that the focus is always on sailing fun, safety is already on board a TOPCAT. All TOPCAT models do without booms, daggerboards, and martingales. TOPCAT Rudder System To obtain the highest speed possible, the TOPCAT rudder blades can be lowered completely. When close to shore, the rudder blades are brought into beach position with only one pull; and the TOPCAT is still under your complete control. The patented protection...

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Catamaran (no boards/asym.)

Specifications TOPCAT K1

18.00 ft / 5.49 m - 1993 - Bernd Breymann/Klaus Enzmann - TOPCAT GmbH (GERMANY)

TOPCAT K1 Sailboat Data

Hull Type: Catamaran (no boards/asym.) Rigging Type: Frac. Sloop (Rotating Spar) LOA: 18.00 ft / 5.49 m S.A. (reported): 237.00 ft² / 22.02 m² Beam: 8.20 ft / 2.50 m Displacement: 375.00 lb / 170 kg Max Draft: 0.70 ft / 0.21 m Construction: FG First Built: 1993 Builder: TOPCAT GmbH (GERMANY) Designer: Bernd Breymann/Klaus Enzmann

Information from  sailboatdata.com .

The TOPCAT K1 is the flagship and at the same time the largest catamaran in the TOPCAT fleet. The 18-foot Cat is one of the fastest swordless catamarans in the world. It combines innovative design and superiority and follows the well thought-out TOPCAT concept. In 2014 the boat was completely redesigned and relaunched.

The Classic configuration often represents the entry into TOPCAT sailing: A classic fun, family and holiday catarman; despite its 18 feet, easy to control even by beginners. Sailing schools use the K1 Classic due to its large amount of space on the boat for teaching and rental. Options such as reinforced hulls with keel shoes, as well as the sepcial trampoline with ultra longlasting Tenara yard, have been specially developed for sailing schools and protect the material for different skill levels and wind conditions.

TOPCAT K1 CLASSIC

Actual configuration.

• Standard hulls
• Without comfort package
• Standard: 1-part mast
• Standard: single trapeze
• Standard: without furling gennaker

Der TOPCAT K1 ist das Flaggschiff und gleichzeitig der größte Catamaran der TOPCAT -Flotte. Der 18-Fuß Cat ist einer der schnellsten schwertlosen Catamarane der Welt. Er vereint innovatives Design und Überlegenheit – und folgt dabei dem durchdachten TOPCAT -Konzept. Der TOPCAT K1 ist eine anerkannte World Sailing Class. Zahlreiche nationale und internationale Regatten und Weltmeisterschaften werden ausgerichtet.

2014 wurde das Boot komplett überarbeitet und mit neuem Design auf den Markt gebracht. Wavepiercer Rümpfe erhöhen Sicherheit und Performance. Das neue Cunningham-System und die höhenverstellbaren Trapeze verbessern die Bedienbarkeit - gerade bei viel Wind. Dank seiner Größe und Konstruktion reagiert der TOPCAT K1 auch bei höchster Geschwindigkeit sehr zuverlässig.

Das Boot eignet sich für einen Einsatz von 2 bis 4 Personen. In der sportlichen Ausstattung wird es von zwei Personen unter Gennaker im schnellen Regattaeinsatz gesegelt. Segelschulen setzen den Catamaran aufgrund seines großen Platzangebotes im Lehrbetrieb und im Verleih ein. Optionen wie verstärkte Rümpfe, Kielschuhe oder Reffsegel wurden speziell für den Lehrbetrieb entwickelt und schonen das Material bei verschiedenen Könnensstufen und Windverhältnissen.