Select arrows archery

Every arrow catalog asks the same question first: what spine do you shoot? Most people answer with a guess, a forum thread, or whatever the shop had two seasons ago. Select arrows archery turns the guess into arithmetic. Enter your bow — recurve, compound or longbow — with its peak weight, draw length and brace height. Enter the arrow length you cut and the point you plan to use. The app converts all of it into an equivalent draw weight, runs the matching law, and hands you a spine group with the requirement spelled out underneath: not just "500", but "550 required, leans stiff". A cursor shows exactly where your number sits between the neighbouring groups, and a three-beam diagram draws the static deflection test the number comes from. Weight is the second half of the story. Build an arrow from components — shaft gpi, point, insert, vanes, nock — and watch total weight, GPP and FOC…