Samson 8-STRAND Class I User Manual

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SAMSON SPLICING INSTRUCTIONS
8-Strand Class I Eye Splice
Class I ropes are made from any or all of the following bers: olen, polyester, or nylon.
The eye splice is used to place a permanent loop in the end of a rope, generally for attachment
purposes to a xed point. An eye is also used to form the rope around a thimble, which is used to protect the rope, especially when it is to be attached to a shackle, chain, or wire rope.
GETTING STARTED
8-strand ropes, also known as plaited ropes, are composed of 8 strands grouped into 4 pairs. 2 of these pairs turn to the left (shown in gray), and 2 pairs turn to the right (shown in white.) Seen in this cross-section, the 4 strand pairs form the sides of a square. The strands that are on opposite sides of the square will rotate in the same direction.
A splicing d or marlinspike, sharp knife or scissors, plastic or masking tape, marking pen.
COUNTING AND MARKING
10 picks
step
1
From the end of the rope, count a distance of 10 picks and apply tape securely around the rope immediately after the 10th pick, as shown in the illustration. This is Mark 1. Apply the tape securely enough so that it will not move during the splicing procedure.
Bitter end of rope
1 Pick
Mark 1
Standing part of line
step
2
step
3
MAKING THE EYE AND MARKING THE ROPE
Form the desired size of the eye being
careful not to add twist to the rope. Mark the rope adjacent to the tape. This is Mark 2.
MARKING THE LEFT-ROTATING STRANDS
From the end of the rope; mark the rst
10-picks up to the tape at Mark 1. Continue marking the length of the eye and at least an additional 6 picks past Mark 2. Mark all
strands that rotate left on both sides of the braided rope.
Note: The strands that rotate left (gray)
can be marked for improved visual reference. 8-strand ropes are composed of 4 pairs of 2 strands each. 2 of the strand pairs rotate to the left, and 2 pairs rotate to the right. When marking the left­rotating strands, be sure to turn the rope over and mark the left-rotating strands on the opposite side of the braid.
Mark 1
Mark 2
Mark 1
Mark 2
Turn rope
over
Mark 2
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Mark 1
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SAMSON SPLICING INSTRUCTIONS
8-Strand Class I Eye Splice
step
4
step
5
TAPING THE ENDS AND UNLAYING THE ROPE
4a
4B
4C
Tape the ends of each of the 8 strands individually.
Unlay the strand pairs all the way back
to the tape at Mark 1. Keep the pairs of
strands together while unbraiding.
When unlayed, the strands in a pair will
be twisted around each other. Untwist
each strand pair so the 2 strands lie parallel to each other, rather than twisting around each other. Tape the ends of each pair together.
4A
4B
4C
POSITIONING THE STRANDS
Arrange the strand pairs as shown in Fig. A. One set of the marked (gray) strands is on the top; and the other marked (gray) strands are on the
bottom. The unmarked (white) pair will be on the left and right.
Individually taped ends
Mark 2
Mark 1
Mark 1
Figure A
6
step
step
7
FORMING THE EYE
Physically form the eye, making certain there is no twist in the rope. Place the (white) pair that is closest to the standing part of the rope over the rope,
at Mark 2, as shown in Fig. B; being
careful not to add twist to the rope.
Figure B
ROUTE TUCKING THE STRAND PAIRS
Note: If necessary, use a d or marlinspike to loosen the strands. The left rotating (gray) strands will be tucked under the right rotating (white) strands, and vice versa.
7a
7B
Beginning with the left rotating marked (gray) pair of strands on
top, make your rst tuck under
the right rotating (white) pair of strands closest to Mark 2. Pull the strands completely through, making sure that the strands don’t twist (Fig. C).
Turn the eye over and tuck the other marked (gray) pair of strands under the (white) pair of strands directly opposite the previous tuck (Fig. D).
Figure C
Figure D
Mark 1
Mark 2
Mark 1
Mark 2
Turn rope
over
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Mark 1
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SAMSON SPLICING INSTRUCTIONS
8-Strand Class I Eye Splice
7C
7D
7E
Tuck the (white) pair of strands under the (gray) pair of strands
closest to the rst 2 tucks. Pull the strands snug, but not tight to
avoid distorting the strands in the eye area. Again, make sure there is no twist in the strands (Fig. E).
Turn the eye over and tuck the remaining (white) pair of strands under the remaining (gray) pair of strands in the standing part of the rope (Fig. F).
Note: A full tuck includes all 4 pairs of strands.
Remove tape and pull all 8 strands snug and correct any
twist that may have been
introduced during the tucking
procedure. The rst tuck is
now complete (Fig. G).
Figure E
Figure F
Figure G
Mark 2
Mark 1 Mark 1
Mark 2
1 complete tuck
Turn rope
over
step
8
COMPLETING THE TUCKS AND FINISHING THE SPLICE
8a
8B
8C
8D
8E
Continue tucking the (gray) strands under the (white) strands and the (white) strands under the (gray) strands until at least 4 full tucks (with all 4 strand
pairs) have been completed.
After each round of tucks, pull each strand to make sure they are snug and there is no twist. The splice should look like Fig. H.
Locate the strand closest to the eye in each strand pair. Tape and cut off, leaving enough of the end
protruding so it does not slip back
into the rope when loaded. The splice should look like Fig. I.
Continue tucking the remaining strands, with the (gray) strands under the (white) strands, and vice versa, for 2 more full tucks.
Tape and cut off the remaining
strands. The nished splice
should look like Fig. J.
Figure H
Figure I
Figure J
Finished splice
Note: The 8 ends can be heat fused so they don’t fray, but be careful not to damage any of the strands.
DOCUMENT 8Strand_C1_Eye Splice_JUL2012.pdf
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© 2012 Samson Rope Technologies, Inc. All rights reserved. S/WD #108294 7/2012
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