pulley systems Archives

English and Reverse Reeve Systems for Highline Rescue

Lance Piatt / Blog, Mainline Systems and Operations, Pulleys & Mechanical Advantage, Two Rope Offsets, Two Tensioned Rope Rescue Systems

Highline Rescue Requires Precision In rope rescue operations, moving a load across horizontal or diagonal spans—whether suspended from high directionals or tensioned lines—demands a system that’s not only stable and redundant, but also dynamically adjustable under load. This is where English Reeve and Reverse Reeve systems shine. Both reeving systems offer unique advantages depending on […]

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Cross Haul System Setup for Technical Rope Rescue

Lance Piatt / Blog, Twin Tension Rope System, Twin Tension Rope System Clutch, Two Rope Offsets

Cross Haul System Setup for Technical Rope Rescue A cross haul system setup for technical rope rescue—often referred to as a two-rope offset system—is more than just a clever rigging trick. It’s a precision tool for controlled lateral movement in complex rescue scenarios. Whether you’re operating across a ravine, cliff face, or confined space with

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Basic mechanical advantage systems enable efficient lifting with simple pulleys. Learn the essentials of the 3:1 Z-rig for safe rescues - How is Weight Redistributed Through a 3:1 Mechanical Advantage System? - Eccentric Progress Capture in Mechanical Advantage Systems

How is Weight Redistributed Mechanical Advantage Systems?

Lance Piatt / Mechanical Advantage, Minimalist Mountain and Climber Rescue, Pulley Systems, Pulleys & Mechanical Advantage

How is Weight Redistributed Through Mechanical Advantage Systems? A 3:1 mechanical advantage system, also known as a Z-rig, is a fundamental tool in technical rope rescue that enables rescuers to lift heavy loads with significantly less effort. But how exactly is the weight redistributed in this system, and what forces are acting on the pulleys,

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Friction in Mechanical Advantage

Lance Piatt / Blog, Designing Your Processes, FAQ-Frequently Asked Questions, Knot Passing, Knots, Bends & Hitches, Mechanical Advantage, Prusik Strength and Use

Friction in Mechanical Advantage Systems Friction is an unavoidable yet often underestimated factor in mechanical advantage (MA) systems. While MA systems are designed to amplify force, the presence of friction can significantly diminish their theoretical efficiency. Understanding how friction arises, its impacts, and methods to mitigate it is crucial for ensuring the success and safety

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A Comprehensive Guide Through Mainline and Belay Operations

Lance Piatt / Belaying, Blog, Mainline Systems and Operations

Rope Rescue: A Comprehensive Guide Through Mainline and Belay Operations Introduction Rope rescue is a critical skill set for emergency responders, ensuring the safe and efficient movement of personnel and equipment in some of the most challenging environments. This guide explores the vital components of rope rescue, focusing on mainline and belay operations, with in-depth

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raising and lowering system mechanical advantage systems

Raising Systems and Mechanical Advantage in Rescue

Lance Piatt / Blog, CMC Clutch by Harken Industrial, Horizontal Rigging, Mainline Systems and Operations, Mechanical Advantage, Petzl

Effective rescue operations often require the use of raising and lowering systems to safely move individuals and equipment. Understanding mechanical advantage systems is crucial for performing these tasks efficiently and safely. This super blog will guide you through comprehensive learning modules focused on raising systems and mechanical advantage (MA) systems, with cross-references to essential hardware

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A-Frame and Quad Bundle Highline Systems

Lance Piatt / Blog, Elevated Anchor Systems, Equipment, General Rigging, Highline Rigging, Horizontal Rigging, Mainline Systems and Operations, Pat Rhodes, Prusik Strength and Use

Advanced Horizontal Rigging: A-Frame and Quad Bundle Highline Systems A-Frame and Quad Bundle Highline systems are essential horizontal rigging techniques in technical rescue operations. These systems are particularly valuable in challenging terrains where traditional anchor points or methods may not suffice. Here’s an in-depth look at their configurations, advantages, and applications. A-Frame in Horizontal

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A-Frame and Twin Bundle Highline Systems

Lance Piatt / Blog, Elevated Anchor Systems, Equipment, General Rigging, Highline Rigging, Horizontal Rigging, Mainline Systems and Operations, Pat Rhodes, Portable Anchors, Prusik Strength and Use

Guide to A-Frame and Twin Bundle Highline Configurations in Technical Rescue A-Frame and twin bundle highline systems are integral to horizontal rigging in technical rescue operations. These configurations provide effective solutions for managing loads across spans and in complex environments. Below is an in-depth look at their setup, applications, and best practices. A-Frame in

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9 Ways to Master Mechanical Advantage Systems

Lance Piatt / Blog, Mechanical Advantage, Pulley Systems, Pulleys & Mechanical Advantage, Twin Tension Rope System, Twin Tension Rope System Clutch, Two (Twin) Tension Rope Systems / 36 Comments

9 Ways to Quickly Master the 3 Types of Mechanical Advantage Systems Understanding mechanical advantage (MA) systems is critical for rope rescue operations. These systems form the backbone of hauling, lowering, and tensioning efforts, making them indispensable for rescuers. By mastering these principles, you can design and operate efficient systems tailored to various rescue scenarios.

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Haul System Basics Pulley Systems and Mechanical Advantage

Lance Piatt / Anchoring, Anchors, Blog, Elevated Anchor Systems, Mechanical Advantage, Principles of Learning, Pulley Systems, Pulleys & Mechanical Advantage / 3 Comments

Haul System Basics and the Mechanics of Pulley Systems Haul systems form the backbone of rigging and rescue operations, using the principles of mechanical advantage to reduce the effort required to lift or move heavy loads. By integrating pulley systems into these setups, operators can achieve remarkable efficiency and safety. This guide dives deeper into

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pulley systems