I bought some strings from a fella here in my home state a while back.
While I was talking to him we talked some about fletching. He shoots vanes off the shelf, and if you've ever seen any of his shooting videos, you can tell they fly just as good as feathers.
Anyway, he taught me how to do it, and it works flawlessly. It isn't easy, and requires some real thought go into the tuning process, but it's worth it.
Fact is, any vane can be tuned to shoot well off the shelf if you want to spend the time it takes to get it done.
I cant explain the process well enough to help you, other than to say - Yes you can.
Can't mention his name either. Seems like any post made with it in it gets deleted.