Knot Efficiencies Flashcards
No knot/Tensionless hitch
0%
Eye splice
10%
Half hitch/timber hitch
35%
Volume 3 bowline vs Book 29 bowline
Volume 3= 40%
Book 29= 65%
Clove hitch
40%
Square knot
50%
Overhand knot
55%
Figure 8 stopper knot
75%
Figure 8 follow through
80%
Figure 8 on a bite
80%
Figure 8 bend
80%
Double figure 8 on a bite
80%
Double overhand/Double fisherman
80%
Waterknot/Overhand bend
65%
Butterfly knot
75%
Single cliff picket
700 lbs
1-1 cliff picket
1400 lbs
1-1-1 cliff picket
1800 lbs
2-1 cliff pickets
2000 lbs
3-2-1 cliff pickets
4000 lbs
Completed knot should have a tail how long?
18”
Working strength of equipment line?
2600 lbs
Breaking strength of equipment line?
13,000 lbs
Empty line up uses what knot?
timber hitch 6’ back from nozzle
Empty line down uses what knot?
timber hitch 6’ back from nozzle, half hitch inches behind nozzle, half hitch around nozzle
Loaded line up uses what knot?
Running bowline 12’ back from nozzle, half hitch 6’ back of nozzle, half hitch 6” back from nozzle
SKED vertical lifting rope size, length, and breaking strength?
3/8 PMI kernmantle, 30’ long, 5,265 breaking strength
SKED horizontal lifting sling material, and rating?
Nylon rated at 9,000 lbs
SKED Nylon tow straps length
6’
