Engineering tools
Working loadcalculator
Break strength is not working load. Design factor, termination, bend radius and sling angle all sit between the two — this shows each one's contribution rather than hiding them behind a single number.
MBS 14,200 lb
3/8"3/4"1"
General rigging and lifting
Correctly made, full bury · 100% efficiency
Safe working load
2,840lb
12.6 kN · 1 short ton
- Minimum break strength
- 14,200 lb
- ÷ design factor 5:1
- 2,840 lb
- × termination 100%
- 2,840 lb
- × bend factor 100%
- 2,840 lb
Indicative only. Not a substitute for a rigging plan signed by a competent person, and it does not account for shock loading, dynamic amplification, temperature, chemical exposure or rope condition in service.
Harbour-33/4"3-Strand Twisted