A spine calculator for compound and recurve target archers. It calculates spine and provides advice and information on a wide variety of arrrow-shafts. Its database is updated regular so you always have the latest info on the latest available arrow shafts from many different manufacturers. The database contains lots of useful information about a.o. spine, weight, diameter of different manufacturers and shafts.
Solved bug, lbs should be inch in recurve bow-setup
9Apps 4.9
