Difference between revisions of "AY Honors/Lashing/Answer Key/es"

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Amarres

División Norteamericana

Actividades recreacionales

Destreza: 1
Año de introducción: 2018

Requisitos

1

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Un amarre es una disposición de cable de cuerda o cincha con un dispositivo de enlace que se usa para asegurar y sujetar dos o más elementos de una manera algo rígida. Los amarres se aplican más comúnmente a los postes de madera y se asocian comúnmente con carga, contenedorización, movimiento de exploración y navegación.

2

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Los amarres se pueden usar para construir artículos útiles en un campamento. Si en un área donde se permite recolectar madera, el campista con las habilidades adecuadas puede construir los artículos necesarios en lugar de empacarlos.

Three categories of items that lend themselves to lash construction include:

Furniture: Table, chair, and even beds.
Shelter: Lean-to, super shelter, tree cot, baker's tent (frame), etc.
Tools & Utensils: ladder, tripod for cooking, coat hangers, etc.

3

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3a

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3b

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The imperfections inherent in natural materials allows for greater amounts of friction to develop between the work pieces (spars and ropes). In contrast dimensional lumber pieces will require higher amounts of tension in wraps to achieve similar holding power.

4

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4a

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Adventist Youth Honors Answer Book/Knot/Timber hitch

4b

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Adventist Youth Honors Answer Book/Knot/Clove hitch

4c

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Template:Knot square

5

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5a

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Start with a timber hitch (can substitute clove hitch for smaller work pieces) and end with two half hitches backed by a clove hitch.

5b

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Start with a clove hitch and end with a clove hitch.

5c

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5d

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5e

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6

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7

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Wrap: A wrap is a turn made around the two spars to hold the spars tightly together. Usually, three wraps are made to form a Square Lashing. Some other lashings require more wraps.
Frap: A frap is a turn made between the spars. It goes around the wraps to pull the wraps tighter. Usually two frapping turns are made on a lashing.

8

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8a

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Adventist Youth Honors Answer Book/Lashing/Square

8b

Ocho

Adventist Youth Honors Answer Book/Lashing/Shear

8c

Trípode

8d

Diagonal

Adventist Youth Honors Answer Book/Lashing/Diagonal

8e

Continuo

Adventist Youth Honors Answer Book/Lashing/Continuous

9

Discutir qué tipo de peso puede cargar cada diámetro de cuerda dependiendo de la naturaleza del material.

Natural Ropes

Manila: Made from the leaves of the Musa textillis tree in the Philippine Islands.
Sisal: Made from the leaves of the Agave sisalaua plant that is native to central America. Sisal and Manila are the strongest natural material ropes with a 10% stretch factor.
Hemp: Made from an annual herbaceous plant native to west and central Asia. Hemp is 2/3 as strong as Manila and Sisal rope.
Cotton: Made from the white, downy, fibrous substance that covers the seeds of the cotton plant.
Coir: Made from coconut husks.

Synthetic Ropes

Synthetic ropes are all man-made from different types of plastics. They have unique names that reflect their different properties. The strength of the synthetic rope is at least twice that of Manila or Sisal rope. The main types of synthetic ropes are:

Polypropylene and polyethylene: These are plastic ropes which stay afloat and are not affected by water. They are designed for marine purposes; they are tough and have good abrasion resistance. However, they have low stretch and heat resistance.
Terylene or polyester: These ropes stay afloat and are not affected by water. They have high heat resistance, but have low stretch.
Nylon: These have a high level of strength, do not float and are affected by wet conditions.

They have good stretch and moderate heat resistance. Nylon 6 is used in rock climbing and nylon 66 is used in abseiling. Nylon is resistant to abrasions, bacteria and most organic solvents. It is sensitive to strong acids, alkalinity and long exposure to sunlight.

10

Demostrar las formas de almacenar cuerdas y madera para usar en el futuro.

Rope should be Coiled up and hung up in a dry place, or put in a box or bucket. The box or bucket should have holes to let the rope breathe. This will help against rot and odors.

The wood should be bundled up and racked off the ground in a dry place, like on a wall or hung from the ceiling. If outside, the wood should be wrapped in a tarp or oiled canvas to keep out water.

11

Crear por lo menos tres de los siguientes artículos:

11a

Silla (debe incluir asiento y respaldo)

11b

Mesa (debe ser capaz de soportar 16 lbs. [7.25 kg] o 2 galones [7.5 litros] de agua)

11c

Trípode para fuego de cocinar

11d

Asta de bandera (debe tener por lo menos cuatro postes)

11e

Escalera (debe incluir por lo menos seis peldaños)

References

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