6. Basic Sling Configurations
A. Some basic configurations of slings with vertical legs (within 5 degrees of vertical) are shown in Figure 3-13.
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Figure 3-11 THE RATED CAPACITY OF NYLON ROPE SLINGS
EDGE RADIUS OF LOAD, INCHES (MILLIMETERS) REDUCTION IN RATED CAPACITY, PERCEN-TAGE
3/16 (4.8) NONE
5/32 (4.0) 5
1/8 (3.2) 15
3/32 (2.4) 25
1/16 (1.6) 40
1/32 (0.8) 55
0 (0) 85
RATED CAPACITY IN POUNDS (KILOGRAMS) SAFETY FACTOR = 9
EYE AND EYE SLING ENDLESS SLING
NOMINAL ROPE DIA-METER INCHES (MM) NOMINAL WEIGHT LB/FT (KG/M) MINIMUM BREAK-ING STRENG-TH LB (KG) VERTICAL HITCH CHOKER HITCH BASKET HITCH ZERO8 ANGLE OF ROPE TO VER-TICAL VERTICAL HITCH CHOKER HITCH BASKET HITCH ZERO8 ANGLE OF ROPE TO VERTICAL
1/2 (13) 0.065 (0.044) 6,080 (2758) 700 (318) 350 (159) 1,400 (635) 1,200 (544) 600 (272) 2,400 (1089)
3/4 (19) 0.145 (0.098) 13,490 (6119) 1,500 (680) 750 (340) 3,000 (1361) 2,700 (1225) 1,400 (635) 5,400 (2449)
1 (25) 0.26 (0.175) 23,750 (10773) 2,600 (1179) 1,300 (590) 5,300 (2404) 4,800 (2177) 2,400 (1089) 9,500 (4309)
1 1/2 (38) 0.55 (0.370) 50,350 (22839) 5,600 (2540) 2,800 (1270) 11,000 (4990) 10,000 (4536) 5,000 (2268) 20,000 (9072)
1 3/4 (45) 0.83 (0.518) 74,100 (33612) 8,200 (3720) 4,100 (1860) 16,500 (7484) 15,000 (6804) 7,400 (3357) 29,500 (13381)
2 (51) 0.95 (0.639) 87,400 (39645) 9,700 (4400) 4,900 (2223) 19,500 (8845) 17,500 (7938) 8,700 (3946) 35,000 (15876)
2 1/4 (57) 1.29 (0.867) 118,750 (53865) 13,000 (5897) 6,600 (2994) 26,500 (12020) 24,000 (10886) 12,000 (5443) 47,500 (21546)
2 1/2 (64) 1.49 (1.002) 133,000 (60329) 15,000 (6804) 7,400 (3357) 29,500 (13381) 26,500 (12020) 13,500 (6124) 53,000 (24041)
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757
AIRPLANE RECOVERY DOCUMENT
Figure 3-12 AVERAGE BREAKING STRENGTH OF SELECTED SLING MATERIALS
TRADE SIZE DIAMETER, INCHES (MM) CHAIN MANILA ROPE
WROUGHT IRON, DREDGE QUALITY ALLOY STEEL, HEAT TREATED THREE-STRAND
UNIT WEIGHT LB/FT (KG/M) BREAKING STRENGTH LB (KG) UNIT WEIGHT LB/FT (KG/M) BREAKING STRENGTH LB (KG) UNIT WEIGHT LB/FT (KG/M) BREAKING STRENGTH LB (KG)
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