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Paracord: Seven Twisted Nylon Yarns in a 32-Strand Braided Sheath
Parachute cord is a nylon core inside a braided nylon sheath. In the military Type III ('550 cord'), each core yarn is three bundles of fibre twisted tight, 7 to 9 yarns make the core, a 32-strand sheath is plaited over them, and the cord is steamed to tighten it (Wikipedia, from MIL-C-5040H). It must hold at least 550 lb.
The picture: Type III paracord opened to show its core yarns (Wikimedia Commons).
Hejuru
Days
Amabwiriza
1
1
Twist the core yarns
Twist the core yarns
Twist three bundles of nylon fibre tightly together into one core yarn. Make seven core yarns, as long as the cord you want.
Ibikoresho by'iyi ntambwe:
Ubudodo bwa nayiloni100 gIbikoresho bikenewe:
Uruti rwo kuzingira
Umurongo w'ipima2
2
Set up 32 sheath strands
Set up 32 sheath strands
Lay the seven core yarns together through the centre of the stand. Hang 32 nylon strands round its rim for the sheath.
Ibikoresho bikenewe:
Ihagararo ryo kuboha umugozi uzengurutse3
3
Plait the sheath over the core
Plait the sheath over the core
Braid the 32 strands round and over the core, keeping the tension even, so the sheath closes tight round the yarns.
Ibikoresho bikenewe:
Ihagararo ryo kuboha umugozi uzengurutse4
4
Steam it tight
Steam it tight
Steam the finished cord to tighten it.
Ibikoresho bikenewe:
Icyuma cy'umwuka cyo kunoza imyenda5
5
Check it
Check it
Type III should give at least 225 ft per pound of cord, hold at least 550 lb, and stretch at least 30 % before it breaks.
Ibikoresho bikenewe:
Umunzani w'ibiroUmurongo w'ipimaIbikoresho
1- 100 gUmwanya
Ibikoresho bikenewe
5- Umwanya
- Umwanya
- Umwanya
Iki gishushanyo gikora
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