For a recurve bow your arrow weight should be 9.5 to 10.0 X draw weitht of bow (55#) equals 522.5 grains.Yourshaft sizeshould be a 6570 size. Match the total weight of broadhead, inserts, fletching with glue should be in the neighborhood of 530 to 600 total grains. To maintain the hightestarrow speed velocity stay with a stiffer spline arrow of 11.0 to 12.5gpi.Makesure your serving string fits your arrow knock. It knock is too tight,arrow will pluck from string and not a smooth release.Feather fletching of 5" willgive youmore flying stability of the arrow. Spin balance you broadhead on your arrow and make sure there is no wobblein your broadhead. Knocking point on your string maybe too high, or too low depending on which direction your arrow rests on your target. All of this comes into play in order for your arrow to fly straight.Ishoot a 60"recurve 60#'s at 28" draw.