How To Measure Arrow Length Recurve Bow. Ask someone to stand beside you at the target so they can watch your release. Once they have this measurement, they will then want to add an extra half an inch.
Take that number and divide by 2.5. As such, here are some simple steps on how you can measure the bow string length: With a bow and arrow.
From your chosen string groove end, measure along the curve of the recurve bow limb towards the belly side of the bow (the area just across the riser).
For each inch over 28 inches, the draw weight increases by 2.5 pounds. Doing so will spell the difference in getting an accurate measurement. These bows don’t have a stopping mechanism like a compound bow, but they do have a distance they’re designed for. Your draw length and arrow spine will influence your arrow length.