This invention relates to an axial flow fibre reinforced plastic fan comprising a fan casing (5), aerodynamic fan blades (1) held to hub (2), a clearance (lO)being provided between the tip of said fan blades (1) and the said casing (5), a prerotator (3) provided at the leading end and a straightener (4) provided at ...

The invention relates to a fibre reinforced moulded fan blade characterized in that said fan blade is hollow in construction with a high cambered aerofoil profile with 10-25 mm camber and 115-290 mm of chord width having a thickness of 15-45 mm decreasing from root to tip of the fan blade wherein the reinforced plas...

This invention relates to a fibre reinforced moulded fan blade characterized in that said fan blade is hollow in construction with a high cambered aerofoil profile with 10-25 mm camber and 115-290 mm of chord width having a thickness of 1 5-4 5 mm decreasing from root to tip of the fan blade wherein the reinforced p...