Force Multipliers: Rope Physics
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Designing and rigging complex rope rescue systems requires an understanding of the physical principles upon which these systems are based. This three-day course provides fire and rescue personnel with an opportunity to learn and practice the analytical skills they need when rigging these systems. A series of field exercises ensures that students can apply these advanced skills effectively.
Pre-requisites: Students who attend this class must have basic rope skills including knot-tying, constructing anchors, and operating mainlines and belay lines.
TRAINING OBJECTIVES
At the completion of this class, the students should be able to:
- Analyze a rope rigging design to determine how the forces are transmitted through the system.
- Calculate and magnitude and direction of vector resultants.
- Calculate the amount of force as a function of the angle of attachment.
- List the requirements in NFPA 1670, 1006, and 1983 that focus on rope system design.
- Define the various types of strength exhibited by materials and describe the relationship between stress and train.
- Calculate the approximate amount of friction a system will exhibit and specify means of reducing friction.
- Calculate safety ratios and design rope systems that reflect these ratios.
COURSE OUTLINE
Introduction to Vectors
- Definition and Application
- Calculating Resultants
- Angles of Attachment
Strength of Materials
- Measures of Strength
- Compression and Elongation
- Stress and Strain
- Failure Patterns
Friction Management
- Friction Factors
- Static and Dynamic
- Coefficient of Friction
- Sources of Friction
- Friction Reduction
Safety Factors
- Force Multipliers
- Static System Safety
- Dynamic System Safety
- Fall Factors and Forces
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Tuition: $595/person.
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