Patent ID: 8708660

Claim:
An airfoil for a second stage compressor blade, the airfoil comprising: a plurality of chord lengths, a plurality of stagger angles, and a plurality of camber angles at a plurality of divisions, respectively, along an airfoil height starting from a reference point at a first end of the airfoil extending to a second distal end, wherein: at a first division starting from the reference point, the airfoil height is 0.000 mm±10 mm, the stagger angle is 18.200 degrees±1°, the chord length is 114.000 mm±10 mm, and the camber angle is 33.900 degrees±1°, at a second division between the first division and the second distal end of the airfoil, the airfoil height is 39.410 mm±10 mm, the stagger angle is 22.800 degrees±1°, the chord length is 114.500 mm±10 mm, and the camber angle is 29.411 degrees±1°, at a third division between the second division and the second distal end of the airfoil, the airfoil height is 76.380 mm±10 mm, the stagger angle is 26.986 degrees±1°, the chord length is 115.200 mm±10 mm, and the camber angle is 25.991 degrees±1°, at a fourth division between the third division and the second distal end of the airfoil, the airfoil height is 128.130 mm±10 mm, the stagger angle is 32.596 degrees±1° the chord length is 116.300 mm±10 mm, and the camber angle is 22.076 degrees±1°, at a fifth division between the fourth division and the second distal end of the airfoil, the airfoil height is 176.280 mm±10 mm, the stagger angle is 37.500 degrees±1°, the chord length is 117.500 mm±10 mm, and the camber angle is 18.800 degrees±1°, at a sixth division between the fifth division and the second distal end of the airfoil, the airfoil height is 221.540 mm±10 mm, the stagger angle is 41.805 degrees±1°, the chord length is 118.600 mm±10 mm, and the camber angle is 15.639 degrees±1°, at a seventh division between the sixth division and the second distal end of the airfoil, the airfoil height is 264.450 mm±10 mm, the stagger angle is 45.700 degrees±1°, the chord length is 119.700 mm±10 mm, and the camber angle is 12.629 degrees±1°, at an eighth division between the seventh division and the second distal end of the airfoil, the airfoil height is 291.980 mm±10 mm, the stagger angle is 48.148 degrees±1° the chord length is 120.400 mm±10 mm, and the camber angle is 10.959 degrees±1°, and at a ninth division between the eighth division and the second distal end of the airfoil, the airfoil height is 318.750 mm±10 mm, the stagger angle is 50.500 degrees±1°, the chord length is 121.000 mm±10 mm, and the camber angle is 9.000 degrees±1°.