Just round links connected one after the other. Let us imagine that you want to make a simple round belcher chain. It is not possible to divide imperial measurements by AWG wire gauge.Īll measurements need to be in the same unit, mm. But to calculate this you do need to work in mm. And this is why it is so vitally important to making chains and chain mail. This ratio determines how many jump rings will fit through another one. a Hula Hoop has a very large aspect ratio. Conversely, thinner wire and larger diameter will increase the aspect ratio. Reducing the diameter or thickening the wire will reduce the Aspect Ratio. Whereas a larger aspect ratio will be more towards an exercise hoop, where the inside diameter is many times the thickness of the plastic part. The center hole is small compared to the overall diameter. Put simply, Aspect ratio is the inside diameter of a jump ring, divided by the diameter of the wire.Ī jump ring with a low ratio would be quite chunky like a bagel. It will enable you to make any chain in the exact size and proportions you desire.
Understanding this simple ratio is the key to mastering jump rings, chains, and chain mail. When it comes to making chains and chain mail everything you make is governed by one important thing. This is because they haven’t followed the correct recipe. Sometimes, their chains haven’t worked out or they don’t look like mine. I am often contacted by people who have watched my YouTube videos on making Byzantine and Persian chains. Be sure to pay attention between A.W.G and British S.W.G as the values are different.Pic 0 large byzantine chain by Dave Wilson. Note: You cannot calculate AR using gauge values, especially since there is no one wire measurement standard. Aspect Ratio numbers are not law, some artists prefer a tight weave while others prefer a loose weave and create the A.R. Find a 20ga jump ring with a I.D of 2.6 or greater. Convert your prefered wire gauge into decimal millimeters.Įxample: AR (3.2) x gauge (0.8) = 2.6mm Inside Diameterģ. If you make the chain and you feel it is too heavy, reduce the gauge.ġ. But I am just as willing to try 4.5mm ID if I think the results will give me a superior outcome. There is some leeway, generally I round up to the nearest quarter or half millimeter and try a 4.25mm ID.
NOTE: Just because you get 4.2 mm ID, don't worry when we don't have that size. Multiply the A.R value as reported in your instructions and mulitply it by the decimal gauge thicknessĮxample: AR (3.2) x gauge (1.3) = 4.2mm Inside Diameter Tons of charts out there, here is a link to one of wikipedia - AWG SWGĢ. Convert your prefered wire gauge into decimal millimeters. in a set of instruction that reads 3.2 A.R.ġ.
#Chainmaille aspect ratio calculator how to
How to manually calculate the correct jump ring size using A.R. For those who have a thirst for knowledge, continue down to calculating Aspect Ratio. Here is a quick chart for alternative sizes in jump rings. The most popular request for aspect ratio is the Byzantine Chain (A.R. This allows the next artist to build a lighter version using thinner gauge jump rings or a bolder version using thicker gauge jump rings and still maintain the structure of the chain. allowing for the chain to be constructed using different size jump rings. Instead of stating that the chain works in 16ga 4.5, they notate the A.R. jump ring sizes until they get, what they consider the perfect chain. They take their favorite chain and attempt to make it in different I.D.
Aspect Ratio is sometimes shared by chain maille artists. Aspect Ratio is the Ratio (value) between a jump rings wire thickness or gauge (GA) and its Inside Diameter (I.D). We get frequent emails from customers looking to make a chain from our site using jump rings larger or smaller than those in the instructions.
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