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Monday, August 16, 2010

Knot Tying- Part 2

Bowline-On-A- Bight
BOWLINE-ON-A-BIGHT (TWO-LOOP BOWLINE)

The bowline-on-a-bight is used to form two fixed loops in the middle of a rope. It is a middle rope knot.

a. Tying the Knot.

STEP 1. Form a bight in the rope about twice as long as the finished loops will be.
STEP 2. Tie an overhand knot on a bight.
STEP 3. Hold the overhand knot in the left hand so that the bight is running down and outward.
STEP 4. Grasp the bight with the right hand; fold it back over the overhand knot so that the overhand knot goes through the bight.
STEP 5. From the end (apex) of the bight, follow the bight back to where it forms the cross in the overhand knot. Grasp the two ropes that run down and outward and pull up, forming two loops.
STEP 6. Pull the two ropes out of the overhand knot and dress the knot down.
STEP 7. A final dress is required: grasp the ends of the two fixed loops and pull, spreading them apart to ensure the loops do not slip.

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Bowline Knot
BOWLINE


The bowline is used to tie the end of a rope around an anchor. It may also be used to tie a single fixed loop in the end of a rope. It is an anchor knot.

a. Tying the Knot.

STEP 1. Bring the working end of the rope around the anchor, from right to left (as the climber faces the anchor).
STEP 2. Form an overhand loop in the standing part of the rope (on the climber’s right) toward the anchor.
STEP 3. Reach through the loop and pull up a bight.
STEP 4. Place the working end of the rope (on the climber’s left) through the bight, and bring it back onto itself. Now dress the knot down.
STEP 5. Form an overhand knot with the tail from the bight.

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Round Turn and 2 Half Hitches
ROUND TURN AND TWO HALF HITCHES

This knot is used to tie the end of a rope to an anchor, and it must have constant tension. It is an anchor knot.

a. Tying the Knot.

STEP 1. Route the rope around the anchor from right to left and wrap down (must have two wraps in the rear of the anchor, and one in the front). Run the loop around the object to provide 360-degree contact, distributing the load over the anchor.
STEP 2. Bring the working end of the rope left to right and over the standing part, forming a half hitch (first half hitch).
STEP 3. Repeat STEP 2 (last half hitch has a 4 inch pigtail).
STEP 4. Dress the knot down.

Stay Prepared! Stay Alive!

Charlie

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