RE: Spinner for YS 110
I use Great Plane spinners, they are light and durable. They have an aluminum backplate and 4 screws to hold the spinner on, which is a very good thing considering one of my spinner came off on me due to the high RPM of the YS110. The spinner also has a thinner plastic where it allows you to cut for a wider prop. I've done it many times and you can do it with an xacto knife.