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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).
Ilọsíwájú
Days
Ìlànà
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.
Àwọn ohun èlò fún ìgbésẹ̀ yìí:
Fọ́nrán nylon100 gÀwọn irinṣẹ́ tí a nílò:
Kẹ̀kẹ́ ìhunṣọ ọwọ́
Ìdíwọ̀n2
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.
Àwọn irinṣẹ́ tí a nílò:
Àtẹ Híhun Ìhunṣọ Yíyípo3
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.
Àwọn irinṣẹ́ tí a nílò:
Àtẹ Híhun Ìhunṣọ Yíyípo4
4
Steam it tight
Steam it tight
Steam the finished cord to tighten it.
Àwọn irinṣẹ́ tí a nílò:
Ohun ìfẹ́ èémí sí aṣọ5
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.
Àwọn irinṣẹ́ tí a nílò:
Òǹwọ̀n ìdọ́gbaÌdíwọ̀nÀwọn ohun-èlò
1- 100 gÀyè
Àwọn irinṣẹ́ tó nílò
5- Àyè
Ìtọ́nisọ́nà yìí ń ṣe
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