Propeller Analysis

Experimental Work

     

Prop Avg. Chord Length For Equidistant Interval (root to tip)
      1 2 3 4 5 6 7 8 9 10 11 12 =tip
g Classic Series 20~10 chord Length - 1.464 1.510 1.584 1.645 1.681 1.680 1.621 1.511 1.325 1.126  
plastic (good results)   Thickness   0.444 0.357 0.328 0.301 0.280 0.249 0.220 0.194 0.167 0.167  
    pitch (deg)   27.5 24.5 21.5 18.5 16 13.5 11 9.5 7.5 4.5  
    Dist (frm cntr) 0.833 1.667 2.500 3.333 4.167 5.000 5.833 6.667 7.500 8.333 9.167 10
      Interval 25/30 in  
n J-Zinger 18~12 chord Length - 1.280 1.390 1.506 1.582 1.608 1.592 1.532 1.410 1.210 0.960  
    Thickness   0.54 0.381 0.341 0.321 0.284 0.252 0.220 0.185 0.150 0.117  
    pitch (deg)   37.5 33.5 30.0 25.5 21.5 18.5 16.0 13.0 11.0 9.0  
    Dist (frm cntr) 0.750 1.500 2.250 3.000 3.750 4.500 5.250 6.000 6.750 7.500 8.250 9
      Interval 3/4 in  
g J-Zinger 18~10 chord Length - 1.261 1.380 1.510 1.608 1.649 1.630 1.568 1.450 1.259 1.009  
    Thickness   0.489 0.364 0.334 0.312 0.292 0.260 0.228 0.192 0.158 0.118  
    pitch (deg)   31.5 28.5 24.5 21.5 18 15 13 11 9 7  
    Dist (frm cntr) 0.750 1.500 2.250 3.000 3.750 4.500 5.250 6.000 6.750 7.500 8.250 9
      Interval 3/4 in  
n J-Zinger 18~10 chord Length - 1.21 1.386 1.509 1.585 1.650 1.627 1.565 1.438 1.237 0.989  
    Thickness   0.49 0.366 0.337 0.314 0.283 0.264 0.235 0.200 0.162 0.128  
    pitch (deg)   31.1 28.1 24.6 21.9 19.5 16.1 13.0 11.0 9.9 8.0  
    Dist (frm cntr) 0.750 1.500 2.250 3.000 3.750 4.500 5.250 6.000 6.750 7.500 8.250 9
      Interval 3/4 in  
TF Top Flite 18~8 chord Length - 1.178 1.246 1.346 1.430 1.464 1.439 1.376 1.259 1.110 0.912  
    Thickness   0.400 0.250 0.263 0.268 0.268 0.248 0.222 0.289 0.152 0.120  
    pitch (deg)   26.5 24.5 20.5 17 14 12.5 10.5 9 8 7  
    Dist (frm cntr) 0.750 1.500 2.250 3.000 3.750 4.500 5.250 6.000 6.750 7.500 8.250 9
      Interval 3/4 in  
n J-Zinger 18~8 chord Length - 1.190 1.394 1.411 1.510 1.568 1.562 1.520 1.418 1.230 1.000  
    Thickness   0.557 0.375 0.335 0.325 0.290 0.263 0.230 0.195 0.155 0.125  
    pitch (deg)   28.5 25.0 25.5 18.0 15.0 12.0 10.0 8.5 7.0 5.0  
    Dist (frm cntr) 0.750 1.500 2.250 3.000 3.750 4.500 5.250 6.000 6.750 7.500 8.250 9
      Interval 3/4 in  
n J-Zinger 18~6 chord Length - 1.135 1.258 1.366 1.467 1.525 1.530 1.490 1.390 1.213 0.965  
    Thickness   0.485 0.345 0.326 0.318 0.305 0.280 0.250 0.218 0.181 0.145  
    pitch (deg)   24.5 20.0 16.0 13.0 11.0 9.5 7.5 6.5 5.5 4.0  
    Dist (frm cntr) 0.750 1.500 2.250 3.000 3.750 4.500 5.250 6.000 6.750 7.500 8.250 9
      Interval 3/4 in  
g Pro-Zinger 18~6 chord Length - 1.141 1.260 1.366 1.441 1.480 1.476 1.413 1.292 1.111 0.850  
    Thickness   0.398 0.305 0.280 0.265 0.255 0.228 0.205 0.170 0.138 0.102  
    pitch (deg)   23 21 16.5 13 11 10 9 7.5 6 5  
    Dist (frm cntr) 0.750 1.500 2.250 3.000 3.750 4.500 5.250 6.000 6.750 7.500 8.250 9
      Interval 3/4 in  
g Mejzlik 16~14 chord Length - 1.143 1.167 1.204 1.221 1.217 1.195 1.142 1.026 0.854 0.593  
    Thickness   0.430 0.359 0.283 0.221 0.192 0.183 0.173 0.154 0.131 0.059  
    pitch (deg)   40 42 41 39 30.5 27 24 21 20 17  
    Dist (frm cntr) 0.667 1.333 2.000 2.667 3.333 4.000 4.667 5.333 6.000 6.667 7.333 8
      Interval 2/3 in  
n J-Zinger 16~12 chord Length - 1.064 1.139 1.247 1.317 1.372 1.379 1.335 1.238 1.089 0.924  
    Thickness   0.347 0.287 0.279 0.271 0.256 0.246 0.224 0.196 0.168 0.127  
    pitch (deg)   40.0 33.5 30.0 26.0 22.5 20.0 17.0 15.0 13.0 11.0  
    Dist (frm cntr) 0.667 1.333 2.000 2.667 3.333 4.000 4.667 5.333 6.000 6.667 7.333 8
      Interval 2/3 in.  
n J-Zinger 16~10 chord Length - 1.057 1.144 1.239 1.316 1.370 1.383 1.334 1.230 1.076 0.903  
    Thickness   0.305 0.264 0.259 0.248 0.235 0.217 0.198 0.175 0.150 0.117  
    pitch (deg)   36.0 31.5 27.0 24.0 20.5 18.0 15.0 13.0 11.0 9.0  
    Dist (frm cntr) 0.667 1.333 2.000 2.667 3.333 4.000 4.667 5.333 6.000 6.667 7.333 8
      Interval 2/3 in.  
n J-Zinger 16~8 chord Length - 1.01 1.097 1.203 1.302 1.348 1.354 1.310 1.216 1.083 0.904  
    Thickness   0.297 0.272 0.253 0.242 0.228 0.210 0.189 0.166 0.144 0.121  
    pitch (deg)   33.0 28.0 24.5 20.5 17.0 14.0 11.0 9.0 7.0 5.0  
    Dist (frm cntr) 0.667 1.333 2.000 2.667 3.333 4.000 4.667 5.333 6.000 6.667 7.333 8
      Interval 2/3 in.  
n J-Zinger 16~6 chord Length - 0.938 1.039 1.149 1.236 1.311 1.305 1.286 1.203 1.062 0.900  
    Thickness   0.302 0.275 0.265 0.250 0.240 0.224 0.199 0.172 0.148 0.117  
    pitch (deg)   30.0 25.0 20.0 16.5 13.0 11.0 9.0 7.5 5.5 3.5  
    Dist (frm cntr) 0.667 1.333 2.000 2.667 3.333 4.000 4.667 5.333 6.000 6.667 7.333 8
      Interval 2/3 in.  
g Mast. Airscrew 16~6 chord Length - 0.975 1.200 1.500 1.230 1.250 1.250 1.190 1.090 0.960 0.820  
    Thickness   0.290 0.230 0.236 0.234 0.230 0.205 0.183 0.161 0.135 0.109  
    pitch   29 26 20 16 13 10.5 9 7.5 7 6  
    Dist (frm cntr) 0.667 1.333 2.000 2.667 3.333 4.000 4.667 5.333 6.000 6.667 7.333 8
      Interval 2/3 in  
n J-Zinger 14~10 chord Length - 0.931 1.07 1.176 1.242 1.291 1.283 1.225 1.122 0.977 0.818  
    Thickness   0.359 0.3 0.281 0.272 0.253 0.223 0.198 0.173 0.148 0.120  
    pitch (deg)   35.1 33.6 30.1 28.0 25.9 22.8 19.5 17.2 15.0 12.8  
    Dist (frm cntr) 0.583 1.167 1.750 2.333 2.917 3.500 4.083 4.667 5.250 5.833 6.417 7
      Interval 7/12 in  
n J-Zinger 14~8 chord Length - 0.893 1 1.125 1.215 1.255 1.257 1.215 1.125 0.993 0.834  
    Thickness   0.374 0.249 0.240 0.236 0.233 0.218 0.195 0.170 0.146 0.125  
    pitch (deg)   29 26.5 23.500 21.000 18.000 15.000 14.000 11.500 9.500 8.000  
    Dist (frm cntr) 0.583 1.167 1.750 2.333 2.917 3.500 4.083 4.667 5.250 5.833 6.417 7
      Interval 7/12 in  
n J-Zinger 14~6 chord Length - 0.889 0.973 1.093 1.185 1.231 1.236 1.200 1.102 0.984 0.808  
    Thickness   0.313 0.265 0.247 0.238 0.226 0.207 0.186 0.162 0.140 0.105  
    pitch (deg)   26.5 23.5 20.0 17.0 14.0 12.0 9.0 7.0 5.0 3.5  
    Dist (frm cntr) 0.583 1.167 1.750 2.333 2.917 3.500 4.083 4.667 5.250 5.833 6.417 7
      Interval 7/12 in  
g J-Zinger 11~10 chord Length - 0.740 0.760 0.850 0.910 0.930 0.925 0.890 0.820 0.720 0.580  
pitch tol +-3deg   Thickness   0.274 0.217 0.205 0.205 0.190 0.175 0.151 0.140 0.105 0.990  
(b/c of sm size)   pitch (deg)   35 31 27 24 22 21 19.5 17.5 16 13.5  
    Dist (frm cntr) 0.458 0.917 1.375 1.833 2.292 2.750 3.208 3.667 4.125 4.583 5.042 5.5
      Interval 11/24 in  
n J-Zinger 11~8 chord Length - 0.763 0.818 0.911 0.982 1.018 1.008 0.945 0.875 0.777 0.650  
    Thickness   0.39 0.204 0.203 0.201 0.200 0.181 0.162 0.149 0.116 0.098  
    pitch (deg)   24.5 30.9 30.0 26.9 25.1 21.1 18.0 16.1 13.0 10.8  
    Dist (frm cntr) 0.458 0.917 1.375 1.833 2.292 2.750 3.208 3.667 4.125 4.583 5.042 5.5
      Interval 11/24 in.  
g Mast. Airscrew 11~6 chord Length - 0.706 0.740 0.838 0.929 0.969 0.972 0.941 0.819 0.696 0.574  
wood   Thickness   0.263 0.184 0.202 0.202 0.196 0.187 0.170 0.136 0.098 0.064  
    pitch (deg)   33.5 32 28 22.5 18.5 16 13.5 10.5 8 6.5  
    Dist (frm cntr) 0.458 0.917 1.375 1.833 2.292 2.750 3.208 3.667 4.125 4.583 5.042 5.5
      Interval 11/24 in  
g Mast. Airscrew 11~6 chord Length - 0.772 0.878 0.925 0.930 0.903 0.868 0.810 0.755 0.690 0.631  
plastic (good results)   Thickness   0.261 0.206 0.191 0.186 0.171 0.160 0.143 0.119 0.100 0.097  
    pitch (deg)   26.5 23.5 19.5 16.5 15 13.5 10.5 8.5 7 6.5  
    Dist (frm cntr) 0.458 0.917 1.375 1.833 2.292 2.750 3.208 3.667 4.125 4.583 5.042 5.5
      Interval 11/24 in  
n J-Zinger 11~6 chord Length - 0.567 0.689 0.774 0.882 0.926 0.956 0.946 0.844 0.770 0.670  
    Thickness   0.492 0.267 0.228 0.222 0.204 0.196 0.170 0.159 0.139 0.114  
    pitch (deg)   33.5 29.0 24.5 21.5 18.0 15.0 12.0 9.5 7.0 4.5  
    Dist (frm cntr) 0.458 0.917 1.375 1.833 2.292 2.750 3.208 3.667 4.125 4.583 5.042 5.5
      Interval 11/24 in.  
     

Prop Avg. Chord Length For Equidistant Interval (root to tip)
      1 2 3 4 5 6 7 8 9 10 11 12 =tip
g J-Zinger 18~10 chord Length - 1.261 1.380 1.510 1.608 1.649 1.630 1.568 1.450 1.259 1.009  
    pitch (deg)   31.5 28.5 24.5 21.5 18 15 13 11 9 7  
    Thickness   0.489 0.364 0.334 0.312 0.292 0.260 0.228 0.192 0.158 0.118  
    Dist (frm cntr) 0.750 1.500 2.250 3.000 3.750 4.500 5.250 6.000 6.750 7.500 8.250 9
      Interval 3/4 in  
g Classic Series 20~10 chord Length - 1.464 1.510 1.584 1.645 1.681 1.680 1.621 1.511 1.325 1.126  
plastic (good results)   pitch (deg)   27.5 24.5 21.5 18.5 16 13.5 11 9.5 7.5 4.5  
    Thickness   0.444 0.357 0.328 0.301 0.280 0.249 0.220 0.194 0.167 0.167  
    Dist (frm cntr) 0.833 1.667 2.500 3.333 4.167 5.000 5.833 6.667 7.500 8.333 9.167 10
      Interval 25/30 in  
g J-Zinger 11~10 chord Length - 0.740 0.760 0.850 0.910 0.930 0.925 0.890 0.820 0.720 0.580  
pitch tol +-3deg   pitch (deg)   35 31 27 24 22 21 19.5 17.5 16 13.5  
(b/c of sm size)   Thickness   0.274 0.217 0.205 0.205 0.190 0.175 0.151 0.140 0.105 0.990  
    Dist (frm cntr) 0.458 0.917 1.375 1.833 2.292 2.750 3.208 3.667 4.125 4.583 5.042 5.5
      Interval 11/24 in  
g Pro-Zinger 18~6 chord Length - 1.141 1.260 1.366 1.441 1.480 1.476 1.413 1.292 1.111 0.850  
    pitch (deg)   23 21 16.5 13 11 10 9 7.5 6 5  
    Thickness   0.398 0.305 0.280 0.265 0.255 0.228 0.205 0.170 0.138 0.102  
    Dist (frm cntr) 0.750 1.500 2.250 3.000 3.750 4.500 5.250 6.000 6.750 7.500 8.250 9
      Interval 3/4 in  
g Mast. Airscrew 11~6 chord Length - 0.772 0.878 0.925 0.930 0.903 0.868 0.810 0.755 0.690 0.631  
plastic (good results)   pitch (deg)   26.5 23.5 19.5 16.5 15 13.5 10.5 8.5 7 6.5  
    Thickness   0.261 0.206 0.191 0.186 0.171 0.160 0.143 0.119 0.100 0.097  
    Dist (frm cntr) 0.458 0.917 1.375 1.833 2.292 2.750 3.208 3.667 4.125 4.583 5.042 5.5
      Interval 11/24 in  
g Mast. Airscrew 16~6 chord Length - 0.975 1.200 1.500 1.230 1.250 1.250 1.190 1.090 0.960 0.820  
    pitch   29 26 20 16 13 10.5 9 7.5 7 6  
    Thickness   0.290 0.230 0.236 0.234 0.230 0.205 0.183 0.161 0.135 0.109  
    Dist (frm cntr) 0.667 1.333 2.000 2.667 3.333 4.000 4.667 5.333 6.000 6.667 7.333 8
      Interval 2/3 in  
g Mast. Airscrew 11~6 chord Length - 0.706 0.740 0.838 0.929 0.969 0.972 0.941 0.819 0.696 0.574  
wood   pitch (deg)   33.5 32 28 22.5 18.5 16 13.5 10.5 8 6.5  
    Thickness   0.263 0.184 0.202 0.202 0.196 0.187 0.170 0.136 0.098 0.064  
    Dist (frm cntr) 0.458 0.917 1.375 1.833 2.292 2.750 3.208 3.667 4.125 4.583 5.042 5.5
      Interval 11/24 in  
TF Top Flite 18~8 chord Length - 1.178 1.246 1.346 1.430 1.464 1.439 1.376 1.259 1.110 0.912  
    pitch (deg)   26.5 24.5 20.5 17 14 12.5 10.5 9 8 7  
    Thickness   0.400 0.250 0.263 0.268 0.268 0.248 0.222 0.289 0.152 0.120  
    Dist (frm cntr) 0.750 1.500 2.250 3.000 3.750 4.500 5.250 6.000 6.750 7.500 8.250 9
      Interval 3/4 in  
g Mejzlik 16~14 chord Length - 1.143 1.167 1.204 1.221 1.217 1.195 1.142 1.026 0.854 0.593  
    pitch (deg)   40 42 41 39 30.5 27 24 21 20 17  
    Thickness   0.430 0.359 0.283 0.221 0.192 0.183 0.173 0.154 0.131 0.059  
    Dist (frm cntr) 0.667 1.333 2.000 2.667 3.333 4.000 4.667 5.333 6.000 6.667 7.333 8
      Interval 2/3 in  
n J-Zinger 18~8 chord Length - 1.190 1.394 1.411 1.510 1.568 1.562 1.520 1.418 1.230 1.000  
    Thickness   0.557 0.375 0.335 0.325 0.290 0.263 0.230 0.195 0.155 0.125  
    pitch (deg)   28.5 25.0 25.5 18.0 15.0 12.0 10.0 8.5 7.0 5.0  
    Dist (frm cntr) 0.750 1.500 2.250 3.000 3.750 4.500 5.250 6.000 6.750 7.500 8.250 9
      Interval 3/4 in  
n J-Zinger 18~6 chord Length - 1.135 1.258 1.366 1.467 1.525 1.530 1.490 1.390 1.213 0.965  
    Thickness   0.485 0.345 0.326 0.318 0.305 0.280 0.250 0.218 0.181 0.145  
    pitch (deg)   24.5 20.0 16.0 13.0 11.0 9.5 7.5 6.5 5.5 4.0  
    Dist (frm cntr) 0.750 1.500 2.250 3.000 3.750 4.500 5.250 6.000 6.750 7.500 8.250 9
      Interval 3/4 in  
n J-Zinger 18~12 chord Length - 1.280 1.390 1.506 1.582 1.608 1.592 1.532 1.410 1.210 0.960  
    Thickness   0.54 0.381 0.341 0.321 0.284 0.252 0.220 0.185 0.150 0.117  
    pitch (deg)   37.5 33.5 30.0 25.5 21.5 18.5 16.0 13.0 11.0 9.0  
    Dist (frm cntr) 0.750 1.500 2.250 3.000 3.750 4.500 5.250 6.000 6.750 7.500 8.250 9
      Interval 3/4 in  
n J-Zinger 14~8 chord Length   0.893 1 1.125 1.215 1.255 1.257 1.215 1.125 0.993 0.834  
    Thickness   0.374 0.249 0.240 0.236 0.233 0.218 0.195 0.170 0.146 0.125  
    pitch (deg)   29 26.5 23.500 21.000 18.000 15.000 14.000 11.500 9.500 8.000  
    Dist (frm cntr) 1.167 2.333 3.500 4.667 5.833 7.000 8.167 9.333 10.500 11.667 12.833  
      Interval 14/12 in