BCM BASICS - KNOTS, BENDS, LINE Flashcards

Common Knots and Purposes

1
Q

Square Knot (aka, Reef)

A

Used to adjoin two lines of EQUAL size and circumference.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Double Becket Bend

A

Used to adjoin two lines of UNEQUAL size and circumference.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Bowline

A

Used to create a temporary eye in a line.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Clove Hitch

A

preferred for securing a heaving line to a towline. Best-all-around knot for securing a line to a ring or spar.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Slip-Clove Hitch

A

Used in lieu of a Clove Hitch, temporarily secure a line around a round object such as a railing with quick release. Commonly used for stowing fenders or lines.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Cats-Paw

A

Used when creating a bridle to create a center connection point.

Find the centerline, grab the line with both hands, make two twists and bring the hands together.

Bonus can be adjoined with a double becket bend if nylite shackle is missing or damaged.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What is the weakest point of a line?

A

The Knot or Splice.

Reduces breaking strength of a line by as much as 50-60%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Which is stronger, Knot vs. Splice.

A

a Splice is stronger.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Treated as temporary because they decrease the strength of a line.

A

Knots.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Treated or preferred for a permanent function in a line and minimize strength of the line.

A

Splicing or Seizing.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Running End

Parts of a Line

A

aka Bitter End, or the free end of a line. The end that the line is worked with.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Standing Part

Parts of a Line

A

is the long unused end or belayed end of a line. Remaining part including the end.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Overhand Loop

Parts of a Line

A

loop made in a line by crossing the bitter end over the standing part.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Underhand Loop

Parts of a Line

A

loop made in a line by crossing bitter end under standing part.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Bight

Parts of a Line

A

half loop formed by turning the line back on itself (a bend in the line, looks like a horse shoe)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Turn

Parts of a Line

A

A turn is a single wind or bight of a line, laid around a belaying pin/post/bollard.

17
Q

Round Turn

Parts of a Line

A

complete turn or encircling of a line about an object, not to be construed with a single turn.

18
Q

Hitch, “Half-Hitches”

A

used to temporarily secure a line to and object such as a ring or eye.

19
Q

Rolling Hitch (Stopper)

A

used to attach one line to another, where second line is under strain and cant be bent, such as a mooring line under stress.

20
Q

Timber Hitch

A

used to secure a line to: Logs, Spars, Planks, or other rough surfaced material.

Not to be used on pipes or metal objects.

21
Q

Single Becket Bend (Sheet Bend)

A

Used to lengthen a line by bending one to another. Used normally to join line of same size or nearly the same. Temporary.

22
Q

Monkey’s Fist

A

Normally only authorized for use at Heavy Wx/Surf Units. Creates a weighted “ball” at the projected end of a heaving line.

23
Q

Figure Eight Stopper

A

overhand knot with and extra twist. Will prevent the end of a line from feeding through a block or fairlead.

24
Q

Surgeons Knot

A

only knot that approaches 100% line strength. Used to join lines of equal or unequal diameters and of different material.

25
Q

Crown Knot

A

used to prevent an unwhipped line from unlaying (fraying)

26
Q

State all Common Knots and Bends commonly used by Boatcrew.

A
Bowline
Clove Hitch
Half Hitch
Slip Clove Hitch
Square Knot (Reef)
Surgeon's Knots
Single Becket Bend
Double Becket Bend
Timber Hitch
Rolling Hitch(Stopper)
Cats-Paw
Crown Knot
27
Q

Common Line Material

A

Synthetic Polypropylene,
Non-Synthetic,
Natural Fiber

28
Q

Characteristics of Polypropylene material.

A

Floats, Medium Strength.

Makes up all swimming tender lines, heaving lines, life ring lines.

29
Q

Characteristic of Natural Fiber

A

Will swell in size when wet, which can be used for damage control plugging. Does not give or stretch (hence why it’s used for litter). Strong and coarse. Commonly found on tending lines of stokes litter, DC kits, and furnishing.