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 10,800 lb
7/16"1/2"9/16"
General rigging and lifting
Correctly made, full bury · 55% efficiency
Safe working load
1,188lb
5.3 kN · 1 short ton
- Minimum break strength
- 10,800 lb
- ÷ design factor 5:1
- 2,160 lb
- × termination 55%
- 1,188 lb
- × bend factor 100%
- 1,188 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.
Ascent NFPA-G1/2"Kernmantle