RE: correct shaft size
Carbons are by nature much stiffer than alum, and lighter, presenting more probs in tuning. I shoot a 57# Dwyer longbow, Gold Tip 35/55, 30in long. 100gr brass shaft inserts, 200gr field tips. Bareshafted, they shoot like darts. Total arra weight is 540gr, bout right.
You need to bareshaft tune the arras to your bow. try GT35/55 or similar spined shaft. Get some brass inserts, heavy points(3-rivers), try different combos till they stick in the target straight left/right. The shaft will be in the target nock up due to the heavy weight on the point, don't worry there.
If ya get em tuned and the total arra weight is low, like 300 gr or something, stuff aquarium tubing(walmart) down the shaft full length, will add 150gr or so to the arra weight.
troy
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