ECN Forum Forums General Topics of the Trade General Discussion Area Messenger Size

Where can I find the Forumla to size a messenger per cable weight. It Should take into account distance between poles .No this is not Utilty its a 13.8 Owners feeder.
3-500 HV KCMIL bundled. 7.185 lbs per bundled foot. Pole distance between 150 ft.max. 40 ft. height.