SLING CONSIDERATIONS - EFFECTS OF SLING ANGLES
INCREASED TENSION - MULTI-LEG AND BASKET HITCH
1. Determine the load weight.
2. Divide the load weight by the number of supporting legs (symmetrical loads only) to determine share of load to each sling leg (this can be no more than three for chain slings).
3. Determine the sling angle from the horizontal and the corresponding tension multiplier (from the chart below). 4. Multiply the sling leg’s share of the load by the tension multiplier to determine the increased sling leg tension.
E ect of Sling Angle - Tension Factor Chart
     Angle in Degrees From Horizontal
Tension Multiplier
Angle in Degrees From Horizontal
Tension Multiplier
90
1.000
55
1.221
85
1.004
50
1.305
80
1.015
45
1.414
75
1.035
40
1.555
70
1.064
35
1.742
65
1.104
30
2.000
60
1.155
       Example of the e ect of Sling Angle on Tension
        Tension
in the Sling Increases as the Sling Angle Decreases
    7.070 LBS.
7.070.. LBS.
            Sling Angle (from Horizontal)
Sling Tension (Lbs. Per Leg)
90°
1.00
5,000
5.775 LBS.
5.775 LBS.
  5,000 LBS.
5,000 LBS.
90°
10,000 LBS.
60°
1.155
5,775
45°
7,070
45°
10,000 10,000 LBS. LBS.
      30°
10,000 LBS.
   60°
       10,000 LBS.
D
10,000
  LBS.
30°
 Tension Multiplier
1.414
2.000
 10,000
        Sharrow Lifting Products 93 (651) 489-1341 • (800) 565-8821