Originally posted by Earl Jeff: WENT TO 4 @ 90DEG YEARS AGO AND NEVER WENT BACK.
Originally posted by Zradix: + or xIt refers to the degrees between the feathers.
Originally posted by Zradix: they could all be ( imho should be) helically fletched.So the rotation would be the same.I've wondered if the 90˚ would actually rotate better do to more "clean air"But that would be splitting hairs kind of stuff.