KXPERIMENTS IN AERODYNAMICS. 



Table XV — Continutd. 



Description of jdanes. 



12 X 12 inches. 

 Weight, 500 grammes. 



12 X 6 in. (12 in. side 



horizontal). 

 A\'ei!j;ht, 250 grannnes 



30x4.8 in. (30 in. side 



horizontal). 

 Weight. 500 grammes. 



o 

 o 





 

 2 

 2 

 3 



5 



10 

 20 

 20 

 30 

 45 

 90 

 90 

 90 

 90 







.'5 

 10 

 20 

 20 

 30 

 45 

 90 

 90 

 90 

 90 

 90 

 90 

 90 







2 



o 

 • > 



5 



10 

 20 

 20 

 30 

 45 

 90 

 90 

 90 



S c3 



-3^ 



O rH 

 t-H ^ 



0.35 

 0.40 

 0.70 

 0.55 

 1.00 



1.30 

 1.70 



0.75 

 1.20 

 2.31 

 2.20 

 2.28 

 2.70 

 2.00 



0.55 

 0.67 



0.78 

 1.00 

 1.75 

 0.33 

 0.77 

 1.14 

 0.83 

 1.21 

 1.98 

 2.55 

 2.02 

 1.60 

 1.00 



0.30 

 0.90 

 1.04 

 1.12 

 1.92 

 3.34 

 0.70 

 1.21 

 2.12 

 2.20 

 3.30 

 2.05 



/ / 

 84 



109 

 95 



131 



152 



180 



340 

 345 

 985 

 939 

 976 

 1,135 

 863 



95 



107 



115 

 131 



182 

 159 

 347 

 522 

 399 

 549 

 862 

 1,089 

 871 

 704 

 463 



72 

 125 

 134 

 138 

 197 

 300 

 295 

 550 

 912 

 935 

 1,380 

 885 



40 

 44 

 57 

 50 

 69 



80 

 94 



178 

 285 

 516 

 492 

 511 

 595 

 452 



50 

 56 



60 



69 



95 



83 



182 



273 



209 



288 



452 



571 



456 



369 



243 



38 



65 



70 



72 



103 



157 



155 



288 



478 



490 



723 



464 



.0078 

 .0077 

 .0077 

 .0074 



.0074 

 .0075 

 .0082 

 .0079 

 .0079 

 .0079 

 .0079 



.0075 

 .0074 

 .0078 



.00148 

 .00146 

 .00146 

 .00141 



.00141 

 .00142 

 .00156 

 .00150 

 .00149 

 .00151 

 .00150 



Remarks. 



Adopt 21.4 m. per sec. 

 as probalile soaring 

 speed. 



Spring extended to 

 limit. 



Probable soaring speed, 

 19.2 m. i)er sec. 



.00143 

 .00141 

 .00148 



