|
For anyone interested in building a paddle, I suggest following the instructions in The Strip-Built Kayak by Nick
Shade. I found Nick's blade area to be quite large. So I designed a blade perimeter and did a few calculations
to be sure the center of the area lined up with the shaft centerline then repeated the process a few times.
|
Blade
Area |
Offset |
Station |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
0.00 |
0.25 |
0.50 |
0.75 |
1.00 |
1.50 |
2.00 |
3.00 |
4.00 |
5.00 |
6.00 |
7.00 |
8.00 |
9.00 |
10.00 |
11.00 |
12.00 |
13.00 |
14.00 |
15.00 |
16.00 |
17.00 |
18.00 |
19.00 |
|
95 |
Top |
1.23 |
1.92 |
2.23 |
2.47 |
2.62 |
2.83 |
2.97 |
3.11 |
3.19 |
3.24 |
3.26 |
3.22 |
3.19 |
3.12 |
3.02 |
2.90 |
2.74 |
2.57 |
2.36 |
2.08 |
1.68 |
1.19 |
0.64 |
0.00 |
|
|
Bottom |
1.23 |
-0.04 |
-0.55 |
-0.97 |
-1.33 |
-1.78 |
-2.12 |
-2.58 |
-2.91 |
-3.10 |
-3.19 |
-3.27 |
-3.29 |
-3.29 |
-3.28 |
-3.27 |
-3.21 |
-3.04 |
-2.81 |
-2.45 |
-1.97 |
-1.41 |
-0.75 |
0.00 |
|
96 |
Top |
1.24 |
1.95 |
2.25 |
2.50 |
2.64 |
2.86 |
3.00 |
3.14 |
3.23 |
3.27 |
3.29 |
3.26 |
3.22 |
3.16 |
3.06 |
2.93 |
2.77 |
2.60 |
2.38 |
2.11 |
1.70 |
1.21 |
0.65 |
0.00 |
|
|
Bottom |
1.24 |
-0.04 |
-0.56 |
-0.98 |
-1.34 |
-1.80 |
-2.14 |
-2.61 |
-2.94 |
-3.13 |
-3.23 |
-3.31 |
-3.33 |
-3.32 |
-3.32 |
-3.31 |
-3.24 |
-3.08 |
-2.84 |
-2.48 |
-2.00 |
-1.43 |
-0.76 |
0.00 |
|
97 |
Top |
1.25 |
1.97 |
2.28 |
2.52 |
2.67 |
2.89 |
3.03 |
3.17 |
3.26 |
3.31 |
3.33 |
3.29 |
3.25 |
3.19 |
3.09 |
2.96 |
2.80 |
2.62 |
2.41 |
2.13 |
1.71 |
1.22 |
0.66 |
0.00 |
|
|
Bottom |
1.25 |
-0.04 |
-0.57 |
-0.99 |
-1.36 |
-1.82 |
-2.16 |
-2.64 |
-2.97 |
-3.17 |
-3.26 |
-3.34 |
-3.36 |
-3.36 |
-3.35 |
-3.34 |
-3.27 |
-3.11 |
-2.87 |
-2.50 |
-2.02 |
-1.44 |
-0.76 |
0.00 |
|
98 |
Top |
1.26 |
1.99 |
2.30 |
2.55 |
2.70 |
2.92 |
3.06 |
3.21 |
3.29 |
3.34 |
3.36 |
3.33 |
3.29 |
3.22 |
3.12 |
2.99 |
2.83 |
2.65 |
2.43 |
2.15 |
1.73 |
1.23 |
0.66 |
0.00 |
|
|
Bottom |
1.26 |
-0.04 |
-0.57 |
-1.01 |
-1.37 |
-1.84 |
-2.19 |
-2.67 |
-3.00 |
-3.20 |
-3.29 |
-3.38 |
-3.39 |
-3.39 |
-3.39 |
-3.38 |
-3.31 |
-3.14 |
-2.90 |
-2.53 |
-2.04 |
-1.46 |
-0.77 |
0.00 |
|
99 |
Top |
1.28 |
2.01 |
2.32 |
2.57 |
2.73 |
2.95 |
3.09 |
3.24 |
3.32 |
3.37 |
3.39 |
3.36 |
3.32 |
3.26 |
3.15 |
3.02 |
2.86 |
2.68 |
2.46 |
2.17 |
1.75 |
1.24 |
0.67 |
0.00 |
|
|
Bottom |
1.28 |
-0.04 |
-0.58 |
-1.01 |
-1.38 |
-1.86 |
-2.21 |
-2.69 |
-3.03 |
-3.23 |
-3.33 |
-3.41 |
-3.43 |
-3.43 |
-3.42 |
-3.41 |
-3.34 |
-3.17 |
-2.93 |
-2.56 |
-2.06 |
-1.47 |
-0.78 |
0.00 |
|
100 |
Top |
1.29 |
2.03 |
2.35 |
2.60 |
2.76 |
2.98 |
3.12 |
3.27 |
3.36 |
3.41 |
3.43 |
3.39 |
3.36 |
3.29 |
3.18 |
3.05 |
2.89 |
2.70 |
2.48 |
2.19 |
1.77 |
1.26 |
0.68 |
0.00 |
|
|
Bottom |
1.29 |
-0.04 |
-0.58 |
-1.03 |
-1.40 |
-1.88 |
-2.23 |
-2.72 |
-3.06 |
-3.26 |
-3.36 |
-3.45 |
-3.46 |
-3.46 |
-3.46 |
-3.45 |
-3.38 |
-3.21 |
-2.96 |
-2.58 |
-2.08 |
-1.49 |
-0.79 |
0.00 |
|
101 |
Top |
1.30 |
2.05 |
2.37 |
2.62 |
2.78 |
3.01 |
3.15 |
3.30 |
3.39 |
3.44 |
3.46 |
3.43 |
3.39 |
3.32 |
3.21 |
3.08 |
2.91 |
2.73 |
2.51 |
2.21 |
1.79 |
1.27 |
0.68 |
0.00 |
|
|
Bottom |
1.30 |
-0.05 |
-0.59 |
-1.04 |
-1.41 |
-1.90 |
-2.25 |
-2.75 |
-3.09 |
-3.30 |
-3.39 |
-3.48 |
-3.50 |
-3.49 |
-3.49 |
-3.48 |
-3.41 |
-3.24 |
-2.99 |
-2.61 |
-2.10 |
-1.50 |
-0.80 |
0.00 |
|
102 |
Top |
1.32 |
2.07 |
2.39 |
2.65 |
2.81 |
3.04 |
3.19 |
3.34 |
3.43 |
3.48 |
3.50 |
3.46 |
3.42 |
3.36 |
3.25 |
3.11 |
2.94 |
2.76 |
2.53 |
2.24 |
1.80 |
1.28 |
0.69 |
0.00 |
|
|
Bottom |
1.32 |
-0.05 |
-0.60 |
-1.05 |
-1.43 |
-1.92 |
-2.28 |
-2.77 |
-3.12 |
-3.33 |
-3.43 |
-3.52 |
-3.53 |
-3.53 |
-3.53 |
-3.52 |
-3.44 |
-3.27 |
-3.02 |
-2.63 |
-2.12 |
-1.52 |
-0.80 |
0.00 |
|
103 |
Top |
1.33 |
2.09 |
2.42 |
2.68 |
2.84 |
3.07 |
3.22 |
3.37 |
3.46 |
3.51 |
3.53 |
3.49 |
3.46 |
3.39 |
3.28 |
3.14 |
2.97 |
2.78 |
2.56 |
2.26 |
1.82 |
1.29 |
0.70 |
0.00 |
|
|
Bottom |
1.33 |
-0.05 |
-0.60 |
-1.06 |
-1.44 |
-1.93 |
-2.30 |
-2.80 |
-3.15 |
-3.36 |
-3.46 |
-3.55 |
-3.57 |
-3.56 |
-3.56 |
-3.55 |
-3.48 |
-3.30 |
-3.05 |
-2.66 |
-2.14 |
-1.53 |
-0.81 |
0.00 |
|
104 |
Top |
1.34 |
2.11 |
2.44 |
2.70 |
2.86 |
3.09 |
3.25 |
3.40 |
3.49 |
3.54 |
3.56 |
3.53 |
3.49 |
3.42 |
3.31 |
3.17 |
3.00 |
2.81 |
2.58 |
2.28 |
1.84 |
1.31 |
0.70 |
0.00 |
|
|
Bottom |
1.34 |
-0.05 |
-0.61 |
-1.07 |
-1.45 |
-1.95 |
-2.32 |
-2.83 |
-3.18 |
-3.39 |
-3.49 |
-3.58 |
-3.60 |
-3.60 |
-3.59 |
-3.58 |
-3.51 |
-3.33 |
-3.07 |
-2.68 |
-2.16 |
-1.55 |
-0.82 |
0.00 |
|
105 |
Top |
1.35 |
2.13 |
2.46 |
2.73 |
2.89 |
3.13 |
3.28 |
3.43 |
3.53 |
3.58 |
3.60 |
3.56 |
3.52 |
3.45 |
3.34 |
3.20 |
3.03 |
2.84 |
2.61 |
2.30 |
1.86 |
1.32 |
0.71 |
0.00 |
|
|
Bottom |
1.35 |
-0.05 |
-0.61 |
-1.08 |
-1.47 |
-1.97 |
-2.34 |
-2.85 |
-3.21 |
-3.43 |
-3.53 |
-3.62 |
-3.64 |
-3.63 |
-3.63 |
-3.62 |
-3.54 |
-3.37 |
-3.11 |
-2.71 |
-2.18 |
-1.56 |
-0.83 |
0.00 |
|
106 |
Top |
1.37 |
2.15 |
2.49 |
2.75 |
2.92 |
3.15 |
3.31 |
3.46 |
3.56 |
3.61 |
3.63 |
3.59 |
3.55 |
3.48 |
3.37 |
3.23 |
3.06 |
2.86 |
2.63 |
2.32 |
1.87 |
1.33 |
0.72 |
0.00 |
|
|
Bottom |
1.37 |
-0.05 |
-0.62 |
-1.09 |
-1.48 |
-1.99 |
-2.36 |
-2.88 |
-3.24 |
-3.46 |
-3.56 |
-3.65 |
-3.67 |
-3.67 |
-3.66 |
-3.65 |
-3.58 |
-3.40 |
-3.13 |
-2.74 |
-2.20 |
-1.58 |
-0.83 |
0.00 |
|
107 |
Top |
1.38 |
2.17 |
2.51 |
2.78 |
2.95 |
3.19 |
3.34 |
3.50 |
3.59 |
3.65 |
3.67 |
3.63 |
3.59 |
3.52 |
3.41 |
3.26 |
3.09 |
2.89 |
2.66 |
2.35 |
1.89 |
1.34 |
0.72 |
0.00 |
|
|
Bottom |
1.38 |
-0.05 |
-0.62 |
-1.10 |
-1.50 |
-2.01 |
-2.39 |
-2.91 |
-3.27 |
-3.49 |
-3.59 |
-3.69 |
-3.70 |
-3.70 |
-3.70 |
-3.69 |
-3.61 |
-3.43 |
-3.16 |
-2.76 |
-2.22 |
-1.59 |
-0.84 |
0.00 |
|
108 |
Top |
1.39 |
2.19 |
2.53 |
2.81 |
2.97 |
3.21 |
3.37 |
3.53 |
3.63 |
3.68 |
3.70 |
3.66 |
3.62 |
3.55 |
3.44 |
3.29 |
3.12 |
2.92 |
2.68 |
2.37 |
1.91 |
1.36 |
0.73 |
0.00 |
|
|
Bottom |
1.39 |
-0.05 |
-0.63 |
-1.11 |
-1.51 |
-2.03 |
-2.41 |
-2.93 |
-3.30 |
-3.52 |
-3.63 |
-3.72 |
-3.74 |
-3.74 |
-3.73 |
-3.72 |
-3.64 |
-3.46 |
-3.19 |
-2.79 |
-2.24 |
-1.61 |
-0.85 |
0.00 |
|
109 |
Top |
1.41 |
2.21 |
2.56 |
2.83 |
3.00 |
3.25 |
3.40 |
3.56 |
3.66 |
3.72 |
3.74 |
3.70 |
3.66 |
3.58 |
3.47 |
3.32 |
3.15 |
2.95 |
2.71 |
2.39 |
1.93 |
1.37 |
0.74 |
0.00 |
|
|
Bottom |
1.41 |
-0.05 |
-0.64 |
-1.12 |
-1.52 |
-2.05 |
-2.43 |
-2.96 |
-3.34 |
-3.56 |
-3.66 |
-3.76 |
-3.77 |
-3.77 |
-3.77 |
-3.76 |
-3.68 |
-3.49 |
-3.22 |
-2.81 |
-2.27 |
-1.62 |
-0.86 |
0.00 |
|
110 |
Top |
1.42 |
2.23 |
2.58 |
2.86 |
3.03 |
3.28 |
3.44 |
3.60 |
3.70 |
3.75 |
3.77 |
3.73 |
3.69 |
3.62 |
3.50 |
3.36 |
3.18 |
2.98 |
2.73 |
2.41 |
1.95 |
1.38 |
0.74 |
0.00 |
|
|
Bottom |
1.42 |
-0.05 |
-0.64 |
-1.13 |
-1.54 |
-2.07 |
-2.45 |
-2.99 |
-3.37 |
-3.59 |
-3.70 |
-3.79 |
-3.81 |
-3.81 |
-3.81 |
-3.79 |
-3.71 |
-3.53 |
-3.25 |
-2.84 |
-2.29 |
-1.64 |
-0.87 |
0.00 |
|
