-True flight feathers put together a great explanation on “fletchings”. They go over “helical” “straight” “left wing” “right wing” with some nice diagrams. If you are starting off its a good read http://www.trueflightfeathers.com/guide.htm
http://www.huntersfriend.com/ is a great website that talks about all aspects of hunting.
- Basic arrow measurements, anatomy, and overview
- Arrow length and straightness
- Arrow spine (can be kind of confusing at first, this helps clear it up)
- Arrow “fletchings”
http://www.centenaryarchers.gil.com.au/the10.htm