I went to buy some arrows for my new bow and as we started tuning i was hitting nock right and kept happening and after changing arrow length, weight, spine , tip weight and two types of carbon the only thing that would even fly close to straight is a over spined wood shaft. niether me or the guy at the archery shop have a clue what to do. if you have any ideas please help. just for a little more info the bow is a 54" r/d long bow, left handed, 7-1/4 brace hight, 49# @ 28" , i draw 26" got a 15 strand b-50 dac string and nock point is 1/2" high. any and all sugestions are more than welcome we are stumped !!!