Patented new marine propeller system that allows you to change the affective pitch of the propeller using interchangable plastic strips along each blade.
This baby's got 4 big props and she is airing them out for you to appreciate. She's the EAA's B-17G named 'Aluminum Overcast' at Cincinnati's Lunken Field, Sept 9, 2007.
This video is showing the assembly of a Ratier Figeac FH386 propeller that will be used on the upcoming Airbus A400M cargo aircraft. The propeller has eight composite blades and has a total diameter of 5.3 meters.