AF35 series
AF 35 is AF 24 "big brother": it is a winged profile made of extruded aluminium alloy with a 350mm chord. As for AF 24, it is mounted and pitched over steel hubs of various diameters through custom bolted blocks, so that the impellers is strong and performing with the a number of blades that can fulfill requirements ever harder of the ones required for 240mm chord profile. Pitching is variable when stationary and impellers fit straight on the engine shaft. All the AF 35 impellers are 60% reversible: through custom setup it is possible to have fully reversible AF 35 impellers.