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Rope solutions for sailmakers

Rope solutions for sailmakers

Product catalog summary

Overview

This document provides a detailed catalog of specialized rope solutions tailored for sailmakers. It covers various rope types, their specific applications, technical specifications, and performance characteristics, focusing on optimizing sail and rigging functions.

1. Rope Types and Applications

Bolt Ropes (Luff Lines): High-strength, dimensionally stable ropes such as BolTwin (Dyneema®), GeoOne Polyester solid and braided, and GeoTwist Polyester, used primarily for sail luff lines.
Leech Lines: Control lines with balanced elongation including GeoOne Polyester, Cup, Dyneema® Trimm, MegaTwin Vectran, and MegaTwin Dyneema® for precise sail trimming.
Furler Systems: Specialized cables and lines like AT Twin furler cable and RollerTwin furler line designed for furling sails (Gennakers, Staysails, Code0).
Reefing Lines: Example: MegaTwin reefing line for sail reefing applications.
Lazy Jack Systems: Jack Line ropes designed for mainsail handling.
Standing Rigging: High-strength static ropes such as DynaOne® HS MAX for shrouds and stays.
Protective Covers: MegaCoverSystem braided covers to protect ropes and cores in rigging.

2. Technical Specifications and Performance

Each rope type is characterized by diameter, weight per 100 meters, spliced break load, linear break load (DIN EN ISO 2307), and elongation at 10% breaking load. Key examples include:

BolTwin (Dyneema®): Ultra-low elongation (0.3%), very high strength and abrasion resistance, ideal for large laminated sails.
GeoOne Polyester (solid and braided): Moderate elongation (~3.4%), flexible, UV resistant, suitable for luff lines and tapes.
GeoTwist Polyester: 4.0% elongation, abrasion and UV resistant, thermally stabilized.
Cup (Leech line): Low elongation (1.4%), high strength, no creep, suitable for control lines and halyards.
Dyneema® Trimm: Very low elongation (0.7%), lightweight, abrasion resistant for precise trimming.
MegaTwin Vectran and Dyneema®: Very low elongation (0.4-0.7%), abrasion resistant, no creep, ideal for regatta sails and static loads.
AT Twin Furler Cable: Low elongation (0.3%), optimized for tension and torsion in furling systems.

3. Load-Elongation Characteristics

Load-elongation curves illustrate rope behavior under tension, critical for ensuring sail performance and rigging reliability by understanding stretch under load.

4. Material and Construction Highlights

Dyneema®: Ultra-high molecular weight polyethylene fibers with highest strength-to-weight ratio, minimal elongation, excellent abrasion resistance.
Vectran®: Liquid crystal polymer fibers offering low creep, high strength, abrasion resistance.
Polyester (HT): High tenacity polyester with good UV and abrasion resistance, moderate elongation.
Construction Types: Includes 3-strand laid, solid braid, 8- or 16-plait round braids, and duplex covers tailored for mechanical performance and handling.

5. Specialized Products and Applications

RollerTwin Endless Furler Line: Dyneema® SK 78 core with double cover (Technora/Polyester or 100% Polyester), designed for splicing without bulging, wire rope-like elongation, excellent grip at high furling speeds. Diameter 5-14 mm, break loads up to 9,500 daN.
Furler Reefing Line: Mechanically tapered Dyneema® core with polyester cover, minimal elongation, high strength, tapered over 50% length for clutch grip.
Lazy Jack Line (DynaOne®): 12-strand polyester braid with Geothane coating, abrasion resistant, easy to splice, diameter 3-8 mm, elongation 1.8%.
DynaOne® HS MAX Static Rigging Line: Dyneema® Max Technology for static rigging, no creep, abrasion and UV resistant, diameter 4-10 mm, elongation 0.3%, cost-effective alternative to PBO/Zylon.
MegaCoverSystem Protective Covers: 32-strand braided tubes (6-20 mm diameter) with internal mouse line for easy rope insertion. Materials include PBO, Vectran, Technora, and Dyneema® with Geothane coating, offering abrasion, heat resistance, and grip tailored to application.

6. Recommendations and Best Practices

Use BolTwin for high-performance luff lines on large laminated sails, especially in racing and superyacht contexts.
GeoOne Polyester variants are suitable for general luff line and tape applications requiring flexibility and UV resistance.
Leech lines like Cup and Dyneema® Trimm provide precise control with minimal stretch, ideal for trimming and halyards.
Furler cables such as AT Twin ensure reliable furling by balancing tension and torsion forces over long lengths.
Selection criteria should include elongation, abrasion resistance, UV stability, and compatibility with rigging hardware.

7. Standards and Compliance

All ropes and covers comply with DIN EN ISO 2307 linear break load standards. Load-elongation curves are provided to assist in understanding performance under operational loads.

Summary

This document serves as a comprehensive technical guide for sailmakers to select ropes optimized for specific sail and rigging functions. It highlights the importance of material choice, rope construction, and mechanical properties such as strength, elongation, abrasion resistance, and UV stability to enhance sail performance, durability, and handling.

Contact Information

For further details or sales inquiries, contact Geo. Gleistein & Sohn GmbH or their regional offices in Slovakia, France, and Sweden.

Catalog excerpts

GeoYacht Tauwerklosungen fur Segelmacher Rope solutions for sailmakers Gleistein Ropes

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Ubersicht Overview Seile und ihre Anwendung Ropes and applications

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Vorlieksleine / Luff line * Bruchlast im SpleiG Spliced break load ** Lineare Lineare Bruchlast nach DIN EN ISO 2307 Linear break load according to DIN EN ISO 2307 Der Hardliner: Extrem formstabil, extrem leicht, 100% Dyneema®: High-End-Luffline, perfekt fur groBe Laminatsegel. • Kern 12-fach geflochten aus Dyneema® SK 78, thermisch gereckt • Hart geflochtener Mantel aus Dyneema® SK 38 fur einen stark verdichteten, formstabilen Seilkorper • Geringste Dehnung und hochste Festigkeit • Extrem hohe Abriebbestandigkeit • Speziell entwickelt als Hochleisteings-Kederleine • Exakt abgestimmt auf die...

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Vorlieksleine / Luff line * Bruchlast im SpleiG Spliced break load ** Lineare Bruchlast nach DIN EN ISO 2307 Linear break load according to DIN EN ISO 2307 Perfekt runder Querschnitt, sehr flexibel, leichte Verarbeitung. • Spiralgeflecht aus Polyester hochfest • Hohe Dehnung • Sehr stabiler runder Querschnitt, dadurch ideale Kederleine • Weich und angenehm Perfectly round cross-section, very flexible, easy handling. • Solid braid made of HT Polyester • High elongation • Very stable round cross-section and hence an ideal leech line • Soft and supple Load-elongation curve Liekleinen (Keder) / Bolt...

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Liekleine fur Vorlieksbander / Rope for luff tapes * Bruchlast im SpleiG Spliced break load ** Lineare Bruchlast nach DIN EN ISO 2307 Linear break load according to DIN EN ISO 2307 Sehr stabiler Seilquerschnitt, kein Schrumpfen, keine Verhartung. • Rundgeflecht 16-fach aus Polyester hochfest • Sehr abriebfest • Hohe Festigkeit, geringe Dehnung • Sehr gute UV-Bestandigkeit • Perfekt zur Herstellung von Vorlieksbandern / Lufftapes Extra stable cross-section, no shrinking, no hardening. • Round 16-plait braid made of HT Polyester • Very good abrasion resistance • High strength, low elongation •...

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Vorlieksleine / Luff line Liekleinen (Keder) / Bolt ropes 6

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Regulierleine fur Lieken / Leech line for leeches * Bruchlast im SpleiG Spliced break load ** Lineare Bruchlast nach DIN EN ISO 2307 Linear break load according to DIN EN ISO 2307 AuBerst robuste und universell einsetzbare Flechtschnur aus hochfestem Polyester. • Rundgeflecht 8- oder 16-fach aus Polyester hochfest • Sehr abriebfest • Hohe Festigkeit, geringe Dehnung • Sehr gute UV-Bestandigkeit • Vielfaltige Einsatzmoglichkeiten an Bord Extremely durable and versatile, braided general purpose line made of high tenacity polyester. • Round 8 or 16-plait braid made of HT Polyester • Very good abrasion...

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Kontroll- oder Regulierleine / Control line * Bruchlast im SpleiG Spliced break load ** Lineare Bruchlast nach DIN EN ISO 2307 Linear break load according to DIN EN ISO 2307 Ausgewogene Dehnungscharakteristik fur konventionelle Segel, kompakter Seilquerschnitt. • Seilkern aus parallelen Polyesterfasern hochfest • Eine Umflechtung (ab 8 mm Durchmesser), um den Faserkern zu bundeln • Flechtmantel aus Polyester hochfest • Geringstmogliche Dehnung in einem Polyesterseil durch Wegfall der Konstruktionsdehnung • Kompakter Seilaufbau, hohe Festigkeit • Sehr hohe Lebensdauer • Keine unelastische Dehnung...

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Kontroll- oder Regulierleine / Control line * Bruchlast im SpleiG Spliced break load ** Lineare Bruchlast nach DIN EN ISO 2307 Linear break load according to DIN EN ISO 2307 Hochprazise Regulierleine fur Jollen, extrem leicht, 100% Dyneema®. • Rundgeflecht 8- oder 12-fach aus Dyneema® SK78 • Ideale Trimm-, Liek- und Regulierleine • AuGerst dehnungsarm, bruchfest und leicht • Glatte, abriebfeste Oberflache High-precision leech line for dinghies, extremely lightweight, 100% Dyneema®. • Round 8 or 12-plait braid made of Dyneema® SK78 • Ideal trim, leech and control line • Extremely strong, low elongation...

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Kontroll- oder Regulierleine / Control line Dehnung bei 10% der Bruchlast Elongation at 10% of breaking load * Bruchlast im SpleiG Spliced break load ** Lineare Bruchlast nach DIN EN ISO 2307 Linear break load according to DIN EN ISO 2307 Minimale Dehnung, extrem formstabil und abriebfest, kriechfrei unter Dauerlast. • Kern 12-fach geflochten aus Vectran® HS Fasern • Mantel 16-fach geflochten aus Polyester hochfest • Exzellente Bruchkraft bei geringster Dehnung • AuGerst abriebbestandiger Mantel, stoppergeeignet • Sehr stabiler Seilquerschnitt • Keine unelastische Dehnung (Kriechen) unter Dauerlast. Deshalb...

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Kontroll- oder Regulierleine / Control line Extrem formstabil und abriebfest, geringes Gewicht. • Kern 12-fach geflochten aus Dyneema® SK78 Fasern • Zwischenmantel aus Polyester-Stapelfaser • Mantel 16-fach geflochten aus Polyester hochfest • Exzellente Bruchkraft bei geringster Dehnung • Extrem abriebbestandiger Mantel • Ausgezeichnete Performance in Klemmen • Sehr stabiler Seilquerschnitt, dennoch flexibel • Genaue Justierung der Lieken fur Regattasegel * Bruchlast im SpleiG Spliced break load ** Lineare Bruchlast nach din en iso 2307 Extremly dimensionally stable and abrasion Linear break...

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Furler cable * Bruchlast im SpleiG Spliced break load ** Lineare Bruchlast nach DIN EN ISO 2307 Linear break load according to DIN EN ISO 2307 Losungen fur Gennaker-Rollanlagen / Solutions for furler systems Kraft-Dehnungsdiagramm Load-elongation curve Das perfekte Furlercable: AT Twin ubertragt Torsionskrafte uber groBe Langen und ist trotzdem flexibel und hoch belastbar. • Kern 12-fach geflochten aus Vectran®-Fasern • Duplex Mantelgeflecht 64-fach geflochten aus mehrstufig stabilisierten, hochfesten Filamentfasern • Spezialkonstruktion optimiert fur die gleichzeitige Ubertragung von Zug- und...

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