1.2.1 a knots
Transcript of 1.2.1 a knots
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KNOTS
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Know more about ropes
Learn how to tie the 7 basic knots
To understand the function of each knot
LESSON OBJECTIVES
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Different types of ropesHow to maintain ropesThe different parts of a rope7 knots
Thumb knotFigure of 8 knotReef knotFisherman’s knotBowlineSingle sheet bendClove hitch
SCOPE
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TYPE OF ROPES
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E.g. Hemps, Manila, Cotton
Low cost & density
Rot easily in humid conditions
Not as strong as other type of ropes
NATURAL FIBRE ROPES
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E.g. Nylon, PolyesterStronger & lighter
than natural fibre ropes of same size
More resistant to rotAble to withstand great shocks
SmootherMore prone to overheating
SYNTHETIC ROPES
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Stiff and allows very little stretch
Durable
Used mainly in hauling, rappelling
STATIC ROPES
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More elastic than static ropes
Can stretch under a heavy load to absorb great shocks
Durable
Used in belaying, climbing
DYNAMIC ROPES
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ROPE MAINTENANCE
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Keep ropes in a well-ventilated room, away from chemicals
Keep away from direct sunlight
Always clean & dry ropes before storage
Always check for wear & tear
HOW TO MAINTAIN ROPES
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THE DIFFERENT PARTS OF A ROPE
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1. Thumb knot2. Figure of 8 knot3. Reef knot4. Fisherman’s knot5. Bowline6. Single sheet band7. Clove hitch
7 KNOTS
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A.K.A “overhand knot”
Used as a stopper knot
For general use, camping, sailing, fishing
THUMB KNOT
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Used as a stopper knot(easier to untie than thumb knots) or for the sheets of a boat
For general use, rock climbing, camping, sailing, fishing
FIGURE OF 8 KNOT
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Used to join 2 ropes of the same diameter
For general use, camping, sailing, first aid (quick release).
REEF KNOT
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Used to join two slippery ropes of the same diameter together
For fishing, climbing, camping
FISHERMAN’S KNOT
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• Used to form a loop
• For climbing, sailing, camping, rescue
BOWLINE
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• Used to join two ropes of different thickness together
• For general Use, camping, sailing
SINGLE SHEET BEND
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Used as an anchor knot on round objects such as poles
For general use, camping, sailing, climbing, pioneering.
CLOVE HITCH
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Different types of ropes have different usages and applications where their properties are best utilized.
Understanding these concepts will allow us to choose the most suitable ropes for different situations.
CONCLUSION