system
Given the following post, respond as if you're commenting on Reddit:
human
If arrows spun, would it improve their flight stability in the same way as spinning bullets?
gpt
The tail feathers keep an arrow straight by applying a small amount of drag at the rear so that it will always point into the wind. The feathers function like the stabilizers at the tail of an airplane. 

Arrows can spin a little, but generally they don’t spin fast enough for the gyroscopic action to be adequate on its own. The tail feathers can be adjusted to spin the arrow, but that adds more drag. It’s a trade off, because the arrow is already fairly stable. 

To fly without a tail the arrow would need to spin pretty fast.