![]() Important characteristics for ropes used in many boating applications are: ability to float, visibility and strength. Matching design with construction becomes a balancing act that leads to many considerations: how much it can stretch, its ability to absorb impact, strength, handling qualities and durability. Ropes for different applications have their own unique design for maximum performance. The rope construction used for most modern rescue and climbing ropes is referred to as “kernmantle.” The braided sheath (mantle) surrounds and protects the twisted parallel core (kern) fibers. Information in this article was provided by Sam Morton, Rescue/Safety Manager for Sterling Rope Company. Synthetics have revolutionized safety and rescue rope application and techniques. ![]() ![]() Until high-quality synthetic fibers like polypropylene, nylon and polyester were developed in the 1950s and 60s, most ropes used for outdoor activities like boating and climbing were made from natural fibers. ![]()
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