https://www.youtube.com/watch?v=c-yV9BKUmJ8&t=741s

Watched this video and looking at an adjustable pitch Catto prop. Didn't know there was one. Nothing about it on the Catto web site.

He also mentioned that there was a Kitfox that lost a blade from an NR prop and it resulted in a fatality. I don't see it on the NTSB site.