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SAMSON SPLICING INSTRUCTIONS
8-Strand Class II End-For-End Splice
Class II ropes are made in whole or part from any of the following high modulus bers:
Dyneema
®
, Vectran®, Technora®, and Zylon®.
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.
Tools RequiRed
A splicing d or marlinspike, sharp knife or scissors, plastic or masking tape, marking pen.
COUNTING AND MARKING
From the end of the rope,
count a distance of 16
step
1
picks and apply tape
securely around the rope
immediately after the 16th
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.
First end
of rope
Bitter end of rope
Mark 1
Standing part of line
16 picks
1 Pick
16 picks
Mark 1
Standing part of line
Second end
of rope
Bitter end of rope
step
2
step
3
MARKING THE ROPE
Holding the end of the
rope, note the pairs of
strands going to the left.
Mark these pairs. Mark
the strands up to Mark 1
and continue to mark the
strands for 5 or more picks
beyond Mark 1.
SEPARATING & TAPING
Remove tape from end then tape the end
of each strand. Start unlaying strands
in their respective pairs. It is important
to keep them together. After they are
separated into pairs up to Mark 1, untwist
the pairs. Tape the ends of pairs together
with a taper as shown.
3A
Lay out rope as shown in
Fig. A. Working from the
right hand rope. Unmarked
strand pairs are shown in
white. Marked strand pairs
are shown in gray. The
left hand rope mirrors this
arrangement.
5 picks
Mark 1
Mark 1
5 picks
Figure A
Pairs taped
together
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SAMSON SPLICING INSTRUCTIONS
8-Strand Class II End-For-End Splice
step
4
JOINING THE PAIRS
To start, lay out the marked
and unmarked strands as
they appear in Fig. B.
4A
It is important that the next steps of the procedure
be followed carefully as shown in Fig. C.
Marked A1 strands go through
marked B1 strands.
Marked B2 strands
go through marked
A2 strands.
Unmarked A3 strands
go through unmarked
B3 strands.
Unmarked B4 strands
go through unmarked
A4 strands. Keep
strands untwisted.
Figure B
Figure C
A4
A4
A3
A3
A2
A1
A2
Example: A1 through B1
B1
B2
B1
B2
A1
B4
B3
B4
B3
step
5
6
step
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MARRYING THE ROPES
After the initial step has been
completed on all strands,
you should have something
that looks like Fig. D. Marry
the ropes as shown in Step
6. This part is preferably a
2-person job.
FINISHING MARRIAGE
Keep the ropes together snuggly.
Tie a piece of string tightly
around the splicing point as
shown in Fig. E. Remove both
pieces of tape from the rope.
Figure D
B4
B2
Figure E
B1
B3
B2
B1
B4
B3
A4
A2
A1
A3
A2
A4
A3
A1
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SAMSON SPLICING INSTRUCTIONS
8-Strand Class II End-For-End Splice
step
7
step
8
STARTING THE TUCKS
Beginning at the marriage, tuck a marked pair of strands under the nearest unmarked pair.
Then tuck an unmarked pair under the nearest marked pair of strands.
Complete 1 full set of tucks tuck in one direction with all the strands and then do another
full set of tucks on the other side of the marriage. Pull everything tight before proceeding.
Continue tucking the strands around the rope until you have completed 6 full tucks on each side of the marriage with all the strand pairs.
Next, select the strand closest to the marriage point in each pair. Tape this strand and cut the excess off as shown.
6 tucks 6 tucks
Marriage point
CONTINUING TUCKS
Splice the remaining single strands for 3 more full tucks.
step
9
FINISHING THE SPLICE
9A
9B
The tapering process continues by reducing the volume of each remaining strand by half
(count the number of yarns that comprise each strand and divide as evenly as possible.)
Select the divided half of each of the 4 strand yarns on each end of the splice.
With the remaining 4 half-volume single strands on each side of the splice,
perform 3 full tucks. Tape the strands after they have been tucked and cut
them off as done with previous strands.
Finished splice
DOCUMENT 8Strand_C2_End For End_AUG2012.pdf
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© 2012 Samson Rope Technologies, Inc. All rights reserved. S/WD #108294 7/2012
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