Plasma 12x12 Sling Splice Vertical Capacity Calculation Table (8/9/2024)
Splice efficiency is 0.9. Vertical working load limit uses a design factor of 5. Basket hitch is 90°. Bridle is 60° with sin 60° = 0.866. Choker is 120° or greater with a choke factor of 0.7.
| Size | Vertical WLL | Basket 90° | Bridle 60° | Choker 120°> | ||||
|---|---|---|---|---|---|---|---|---|
| in. | lb | Tons | lb | Tons | lb | Tons | lb | Tons |
| 1-5/8" | 52,380 | 26.19 | 104,760 | 52.38 | 90,722.16 | 45.36 | 36,666 | 18.33 |
| 1-3/4" | 56,520 | 28.26 | 113,040 | 56.52 | 97,892.64 | 48.95 | 39,564 | 19.78 |
| 2" | 63,900 | 31.95 | 127,800 | 63.90 | 110,674.80 | 55.34 | 44,730 | 22.36 |
| 2-1/8" | 77,040 | 38.52 | 154,080 | 77.04 | 133,433.28 | 66.72 | 53,928 | 26.96 |
| 2-1/4" | 86,580 | 43.29 | 173,160 | 86.58 | 149,956.56 | 74.98 | 60,606 | 30.30 |
| 2-1/2" | 95,400 | 47.70 | 190,800 | 95.40 | 165,232.80 | 82.62 | 66,780 | 33.39 |
| 2-5/8" | 107,280 | 53.64 | 214,560 | 107.28 | 185,808.96 | 92.90 | 75,096 | 37.55 |
| 2-3/4" | 118,800 | 59.40 | 237,600 | 118.80 | 205,761.60 | 102.88 | 83,160 | 41.58 |
| 3" | 140,400 | 70.20 | 280,800 | 140.40 | 243,172.80 | 121.59 | 98,280 | 49.14 |
| 3-1/8" | 153,000 | 76.50 | 306,000 | 153.00 | 264,996 | 132.50 | 107,100 | 53.55 |
| 3-1/4" | 169,200 | 84.60 | 338,400 | 169.20 | 293,054.40 | 146.53 | 118,440 | 59.22 |
| 3-1/2" | 199,440 | 99.72 | 398,880 | 199.44 | 345,430.08 | 172.72 | 139,608 | 69.80 |
| 3-5/8" | 225,000 | 112.50 | 450,000 | 225.00 | 389,700 | 194.85 | 157,500 | 78.75 |
| 3-3/4" | 237,060 | 118.53 | 474,120 | 237.06 | 410,587.92 | 205.29 | 165,942 | 82.97 |
| 4" | 273,600 | 136.80 | 547,200 | 273.60 | 473,875.20 | 236.94 | 191,520 | 95.76 |
| 4-1/8" | 291,960 | 145.98 | 583,920 | 291.96 | 505,674.72 | 252.84 | 204,372 | 102.19 |
| 4-1/4" | 305,460 | 152.73 | 610,920 | 305.46 | 529,056.72 | 264.53 | 213,822 | 106.91 |
| 4-1/2" | 328,860 | 164.43 | 657,720 | 328.86 | 569,585.52 | 284.79 | 230,202 | 115.10 |
| 4-5/8" | 338,400 | 169.20 | 676,800 | 338.40 | 586,108.80 | 293.05 | 236,880 | 118.44 |
| 4-3/4" | 346,860 | 173.43 | 693,720 | 346.86 | 600,761.52 | 300.38 | 242,802 | 121.40 |
| 5" | 372,500 | 186.25 | 745,020 | 372.51 | 645,187.32 | 322.59 | 260,757 | 130.38 |
| 5-1/8" | 398,160 | 199.08 | 796,320 | 398.16 | 689,613.12 | 344.81 | 278,712 | 139.36 |
| 5-1/4" | 423,900 | 211.95 | 847,800 | 423.90 | 734,194.80 | 367.10 | 296,730 | 148.37 |
| 5-1/2" | 449,560 | 224.78 | 899,100 | 449.55 | 778,620.60 | 389.31 | 314,685 | 157.34 |
| 5-5/8" | 475,200 | 237.60 | 950,400 | 475.20 | 823,046.40 | 411.52 | 332,640 | 166.32 |
| 5-3/4" | 500,860 | 250.43 | 1,001,700 | 500.85 | 867,472.20 | 433.74 | 350,595 | 175.30 |
| 6" | 526,500 | 263.25 | 1,053,000 | 526.50 | 911,898 | 455.95 | 368,550 | 184.28 |
D:d efficiency
| D:d ratio | Efficiency |
|---|---|
| 25:1 | 1 |
| 8:1 | 0.825 |
| 6:1 | 0.8 |
| 3:1 | 0.75 |
| 2:1 | 0.725 |
| 1:1 | 0.65 |
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