It’s easy to gloss over the importance of propeller upkeep. Walk the typical aircraft tiedown area and you’ll see some pretty worn and neglected props.
Rust, gouges and leaking hubs only scratch the surface of problems that you can spot with the naked eye. You should see what a proper propeller teardown reveals and that’s one of many reasons to send a prop to a shop that goes the extra mile to bring a propeller back to like-new standards. By request, here’s a summary of what proper overhauls entail.