At least one of our hens had a pretty large comb. You'd be surprised how adaptable they are when it comes to their feed! With the pull of gravity, the feed spills pretty evenly, and I haven't noticed a problem with our hens. It would definitely be worth trying.
At two and a half feet tall...
I will also mention that I put diatomaceous earth in the bottom of the feeder (maybe an inch), and then grit on top of that until it was flush with the top of the wye entrance, then I added the food (so, food is not pilling at the bottom of the feeder).
So, we had a five pound feeder (steel construction) that our birds were just DUMPING into the coop. The scratched it everywhere, and we were filling their food maybe every other day. Decided to make these PVC feeders last week, and I am astounded at how clean the food has been, but how much they...