"Systematic Measurements of Cavitation and Pressure Fluctuations on 'Seiun-Maru' Propellers" (SPD Report 97-005-1) * Memo * x : length from GL (-:LE +:TE) ( See offset "x-g" ) * y : height from base line ( Not thickness of cavitation ) ( thickness of cav.= y - yo ) MP220 Angular Position = 0 deg r = 77.00 [mm] r/R = .700 x [mm] y [mm] -12.44 2.73 -11.23 3.08 -10.28 3.42 -9.46 3.48 -5.84 4.03 -5.59 4.08 -3.69 4.34 -3.30 4.39 -3.25 4.40 -3.17 4.40 -.60 4.04 -.17 4.02 4.35 5.42 4.95 6.30 5.96 6.03 r = 88.00 [mm] r/R = .800 x [mm] y [mm] 2.08 1.85 3.35 1.95 4.58 2.06 6.70 2.13 8.15 2.08 9.65 2.86 10.22 3.04 12.47 3.56 12.50 3.56 MP220 Angular Position = 10 deg r = 88.00 [mm] r/R = .800 x [mm] y [mm] 4.09 1.86 5.59 2.27 6.81 2.41 7.83 2.49 8.55 2.56 10.03 2.79 10.57 2.97 12.08 3.44 12.50 3.42 14.31 3.75 14.66 3.79 16.80 3.49 16.84 3.49 18.86 4.16 18.91 4.18 19.98 4.19 21.18 4.20 21.24 4.19 23.26 4.67 23.41 4.67 25.98 3.31 26.69 3.51 27.52 4.58 28.08 5.35 MP220 Angular Position = 20 deg r = 88.00 [mm] r/R = .800 x [mm] y [mm] 16.99 4.29 18.19 5.32 18.75 5.41 20.72 5.02 22.04 4.88 22.94 4.94 24.47 5.19 25.28 5.06 27.47 4.71 28.79 4.74 29.61 5.36 29.99 4.80 31.76 4.90 32.38 5.00 32.56 4.99 33.32 5.34 34.26 5.72 34.44 5.72 35.47 7.18 36.33 7.23 38.21 6.87 r = 99.00 [mm] r/R = .900 x [mm] y [mm] 31.22 1.66 33.09 1.84 34.89 2.30 35.11 2.36 37.05 2.37 37.38 2.42 39.12 2.42 39.69 2.41 41.24 2.32 42.03 2.24 43.51 2.57 44.18 2.68 46.04 2.67 46.44 2.74 48.02 2.57 48.81 2.42 50.07 2.56 51.06 2.62 54.10 4.13 55.09 4.51 57.00 4.20 r = 104.50 [mm] r/R = .950 x [mm] y [mm] 54.55 1.54 57.23 3.06 57.93 3.05 58.77 3.07 60.37 3.05 61.64 2.95 63.45 2.96 63.61 2.98 66.18 2.94 67.31 2.77 68.75 2.54 69.35 2.52 71.02 2.48 71.44 2.41 71.84 2.41 72.89 2.41 MP220 Angular Position = 30 deg r = 88.00 [mm] r/R = .800 x [mm] y [mm] 14.39 2.16 16.32 2.34 17.91 2.98 18.80 3.25 19.67 3.28 20.21 3.33 24.00 3.36 r = 99.00 [mm] r/R = .900 x [mm] y [mm] 34.26 1.37 36.35 2.11 38.18 2.82 38.59 2.87 40.32 3.17 40.33 3.17 40.34 3.17 42.12 3.29 42.52 3.46 43.82 3.71 44.72 3.72 45.90 3.93 46.89 4.23 48.01 4.45 49.08 4.50 49.89 4.59 51.43 4.58 52.06 4.55 53.58 5.02 53.92 5.03 56.17 4.62 56.58 5.01 58.13 5.51 58.34 5.48 60.48 5.92 61.79 6.05 62.99 5.82 63.33 6.53 64.24 4.99 65.93 4.68 67.55 4.87 68.79 5.37 69.86 5.77 70.48 5.59 r = 104.50 [mm] r/R = .950 x [mm] y [mm] 52.35 2.52 52.45 2.58 52.47 2.59 52.62 2.60 54.70 2.61 56.20 2.78 56.84 3.10 58.45 3.22 59.12 3.27 60.72 3.45 61.40 3.48 63.23 3.83 63.63 3.95 65.80 3.30 66.28 3.31 67.78 3.87 68.44 4.15 68.65 4.19 70.73 4.42 71.07 4.32 73.46 4.08 MP220 Angular Position = 40 deg r = 99.00 [mm] r/R = .900 x [mm] y [mm] 37.25 1.52 39.04 1.58 39.86 1.69 41.33 1.93 42.44 2.07 43.78 2.68 44.91 2.98 46.33 2.96 47.58 3.41 49.18 4.26 50.09 4.55 51.60 3.95 52.76 4.49 53.23 4.49 53.76 4.70 55.70 4.96 56.34 4.73 57.63 4.25 58.81 4.64 59.41 4.84 61.16 4.98 61.65 5.01 61.80 4.94 63.64 4.69 63.71 4.68 63.74 4.68 65.67 6.07 65.82 6.09 67.87 5.09 68.84 4.67 68.90 4.71 69.00 4.76 69.78 6.48 70.82 6.36 73.27 5.57 73.61 5.91 75.61 8.59 75.65 8.65 77.66 6.84 r = 104.50 [mm] r/R = .950 x [mm] y [mm] 51.11 1.06 51.29 1.11 51.43 1.14 56.70 2.84 58.41 3.35 59.11 3.51 60.63 3.59 60.97 3.62 61.94 3.66 62.67 3.62 62.90 3.72 64.75 4.17 65.10 4.25 66.92 4.19 67.47 4.33 69.05 4.83 69.68 4.79 70.83 4.76 72.13 4.78 73.43 4.99 74.40 5.29 75.95 4.74 77.11 4.58 78.22 4.96 79.48 4.85 80.24 5.09 81.15 4.42 82.19 4.45 MP220 Angular Position = 50 deg r = 99.00 [mm] r/R = .900 x [mm] y [mm] 36.51 2.28 37.76 2.31 38.02 2.30 38.43 2.35 39.89 2.44 40.78 2.37 41.97 2.33 43.64 2.71 43.67 2.72 43.72 2.72 45.39 2.75 46.37 2.98 47.19 3.21 48.67 3.78 48.89 3.85 48.98 3.85 50.77 3.44 51.77 3.49 52.59 3.56 54.40 3.81 54.41 3.81 54.44 3.82 56.23 3.99 56.97 4.10 58.07 4.16 59.42 4.87 59.82 5.02 61.07 4.95 61.75 4.92 61.98 4.94 63.45 5.37 64.45 5.37 65.54 5.80 67.10 4.82 r = 104.50 [mm] r/R = .950 x [mm] y [mm] 53.50 2.10 54.49 2.28 54.80 2.32 55.37 2.45 58.02 2.77 59.62 2.85 60.50 2.73 61.65 3.27 62.00 3.33 63.45 3.38 64.44 3.55 65.71 3.81 66.89 4.01 67.38 3.99 69.27 4.62 69.29 4.64 69.32 4.63 70.93 4.04 71.73 4.34 "Measurement of Shape of Cavity on a Model Propeller Blade" Tatsuro Kudo, Yoshitaka Ukon, Yuzo Kurobe, Hidetake Tanibayashi Fig.12 (Journal of the Society of Naval Architects of Japan Vol.166)