BTW - The origination of the cut-off spinner nose was initially tested last fall by SoCal Advanced class pilot Mike Greear. I'm not sure where the idea came from, possibly an extension of Jim Oddino's successful use of an undersized spinner on his Abbra over the last couple of years (which also works well). I do remember a discussion last year with Greg Frohreich about the idea, but don't recall if it was his concept or Mike's.