As you might’ve noticed, we refer to D/d Ratio quite a bit in some of our blogs and social media posts. However, there seems to be a bit of confusion regarding what D/d Ratio is and what purpose it serves. Hopefully, we can clear all of that up now.
The D/d Ratio has a tremendous impact and effect on sling capacity when using , and Chain Slings. The D/d is the ratio of the diameter (D) around the object which the sling is bent, then divided by the overall diameter (d) of the sling being used.