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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).
Osezingeni eliphezulu
Days
Imiyalelo
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.
Izinto zokwakha zalesi sinyathelo:
Umucu we-nylon100 gAmathuluzi adingekayo:
Isipindi sesandla
Irula2
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.
Amathuluzi adingekayo:
Isikhwama Sokuluka Isihlanganiso Esiyindilinga3
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.
Amathuluzi adingekayo:
Isikhwama Sokuluka Isihlanganiso Esiyindilinga4
4
Steam it tight
Steam it tight
Steam the finished cord to tighten it.
Amathuluzi adingekayo:
Isigezi sezingubo ngomusi5
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.
Amathuluzi adingekayo:
Isikali sesilinganisoIrulaIzinto
1- 100 gIsibambeli
Amathuluzi Adingekayo
5- Isibambeli
- Isibambeli
- Isibambeli
- Isibambeli
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