Nothing scientific .......and don't ask me how I know !! But a 350 grain carbon arrow fletched with feathers launched at 291 fps at a little steeper angle than 45 degrees(more like 60) will travel about 300 yrds !!!
Rack.......you want to lend me a hand ? As I am flipping back to my real work [8D] ......I am programming a CNC router to cut several complicated radius' in some MDF panels..........and it's given me a freakin headache !
It'd be a piece of cake for you !!