Ropes & Knots Flashcards
LRL Colours
Orange w/ blue fleck (50m)
Blue with Orange fleck (25m)
LRL Diameter
13mm
LRL Div B length
50m
100m
200m
LRL working load limit (Div A)
272kg max 15:1 safety factor
LRL working load limit (Div B)
410kg max 10:1 safety factor
LRL fibre
Nylon 66 core/polyester sheath
LRL Melting Point
Approx 220oC
LRL Elongation (stretch)
(Div A) 3% at 80kg load
(Div B) 2% to 4%
LRL Construction
Twisted nylon strands
Braided polyester sheath
Core
ID Trace
Filament
LRL Strength through the line
Core = 70%
Sheath = 30%
What’s knots are used for: replace a damaged length aloft
Clove hitch half hitch (two meters down the hose)
What’s knots are used for: Add a length aloft
Clove Hitch Half Hitch (at both couplings)
What’s knots are used for: Taking a line aloft
Clove Hitch Half Hitch (Two meters down hose)
Half hitch (on the branch)
When is a round turn two half hitch used?
To secure a line
To secure a ladder during a horizontal tie off
What knots are used for: A Frame Ladder (folded up)
Clove hitch (on bottom rungs)
Round turn (top (middle) rung)