Principle of short-distance lifting
Secured on the hard point on the belly (by hook)
Payload: 4,000lbs
Load balancing is the key to safe lifting
Introduction to short-distance lifting setup
Short-distance lifting setup
Complete setup for short-distance lifting
Figure-eight knot
Figure-eight knot
Figure-eight half hitch
Directional figure-eight knot
Components of short-distance lifting assembly
(1) Select the right rope for air lifting:
Specifications of Kernmantle rope
- Specifications of Kernmantle rope
- Material: inner and outer nylon layers around the core of DryCore(rope core)
- Size: 12.mm in diameter with 5% of tolerance; 200mor longer per rope
- Features: tension 38KN or more; the elongation under 300lbs of load must be <3%.
- Weight: 106g/m or lower
- Note: the certification shall be provided by or the rope shall bear the mark of one of CE, EN, UL, NFPA or UIAA.
(2) D hook:
- Type: D-shaped hook
- Size: opening at 2.3cm or wider with manual safety buckle
- Material: stainless steel
- Performance: capable of taking a tension of 2,800kgor more
- Note: the certification shall be provided by or the rope shall bear the mark of one of CE, EN, UL, NFPA or UIAA
(3) O-hook:
- Material: forged steel
- Size: inner diameter 7.5cm, 1.5cm thick, tolerance: 5%
- Weight: 11oz, tolerance 5%
- Performance capable of taking a tension of 38,000lbs or more