OIM‐600056 Rev.0 7
2.2. Performance
Do not exceed the Line Pull Rat ings. The table below depict s the
line pull capacity based on a constant drum torque.Be advised
theWinchcandevelophigherlinepullsatthelowerlayers.
Performance Chart
Winch Model: R7PT-12
Rated Capacity (lbs.) 12,700
Drum Diam. (in.) 16
Drum Length (in.) 12
Flange Diam. (in.) 36
Wire Rope (in.) 0.875
Layer
Pitch
Diam.
(in.)
Storage
Per Layer
(ft.)
Total
Storage
(ft.)
Flange
Clearance
1
(in.)
Running
Line Pull
(lbs.)
Line
Speed
(ft/min)
Stall Line
Pull (lbs.)
1 16.88 55 9.1 55 25,307 25.8 44,182
2 18.39 60 8.4 115 23,222 28.1 40,541
3 19.91 65 7.6 181 21,454 30.4 37,455
4 21.42 70 6.9 251 19,936 32.7 34,805
5 22.94 75 6.1 326 18,619 35.1 32,505
6 24.45 80 5.3 406 17,465 37.4 30,491
7 25.97 85 4.6 491 16,445 39.7 28,711
8 27.48 90 3.8 581 15,539 42.0 27,128
9 29.00 95 3.1 676 14,726 44.3 25,710
10 30.51 100 2.3 775 13,995 46.6 24,433
11 32.03 105 1.5 880 13,333 49.0 23,277
12 33.55 110 0.8 990 12,731 51.3 22,226
Notes:
1. The unshaded rows meet ABS, DNV and European requirements for operating layers with 2 rope diameters
of drum flange clearance at the top operating layer while any shaded rows meet ANSI B30.7 requirements
of ½ inch drum flange clearance.
2. Performance is based on 90 psi pneumatic pressure @ 700 scfm.
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