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Arrow Spine Calculator Easton
Arrow Spine Calculator Easton. To estimate this influence, subtract ~5% from the arrows dynamic spine number and add 1.5% to the foc number shown. i wouldn't recommend using any calculator to buy expensive arrows, but they are useful for understanding how changing point weight, shaft length, etc affect the arrow. I usually shoot a 27.5” length with 4 max stealths and a 4” wrap.

Home / uncategorized / arrow spine calculator easton. Easton nock on arrow spine calculator. Your arrow length when at full draw is 29.
For Example, A 28 ½” Arrow Would Round Up To 29”, And A 28 ¼” Arrow Would Round Down To 28”.
This spine calculator is intended as a tool to provide a simple point of reference for initial testing. This calculator takes in your grain insert, draw length, and bow poundage and then tells you which arrow spine you should use according to the spine chart below. Browse the 'model' column (the third column in the below boxes) to find the type of arrow you want, then find the corresponding size (the first column in the below boxes).for jazz and xx75 arrows, look for '75' in the model column.
Determine The Length Of Your Arrow By Measuring From The Throat Of The Nock To The End Of The Insert.
These are based on a 100 gr. Find your appropriate spine selection for your bow and use the detail arrow specifications chart on the next page to see which shafts are available in your spine. Try out our arrow shaft selector tool or visit an easton dealer.
Easton Nock On Arrow Spine Calculator.
Point, if you use a 125 gr. Round up to the nearest whole number if your arrow length equals or is greater than ½”. The arrow must be 28” in length and supported at each end of the arrow.
Easton Aluminum Arrow Spine Chart Astm Deflection To Ata Spine Shaft Size Astm Deflection Ata Deflection Ata Spine (Pounds) Astm Deflection Ata Deflection Ata Spine (Pounds) 1214 2.501 2.064 12.6 1.575 1.300 20.0 1413 2.036 1.681 15.5 1.500 1.238 21.0 1416 1.684 1.390 18.7 1.450 1.197 21.7
Spine is measured by the number of inches a shaft deflects (bends) x 1000. Ago barebow recurve/level 2 instructor. For barebow, i tend to go one spine stiffer than they recommend, but i’m also shooting a really light arrow (~7.5gpp).
Find The Correct Group Number In The Shaft Selection Chart.
Going to try the 25 gr ironwill insert and. By entering your draw weight and approximate total arrow length (whole numbers) a chart will be generated providing the approximate spine needed for various total amounts of weight at the front of the shaft. The draw weight of the bow will be marked on the bow.
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