70 



EXPERIMENTS IN AERODYNAMICS. 

 Table XIV— Continued. 



Date. 



Description of planes. 



L890. 

 Oct. 8 



cm. cm. 

 (i x 24 inches (15.2x61.0) 

 Weight, 1 ,l m m > grammes. 



cm. cm. 

 30x4.8 inches (76.2 x 12.2) 

 Weight, 500 grammes. 



cm. cm. 

 30 x 4.8 inches (76.2 x 12.2) 

 Weight, '_'"ii* grammes. 



c 





cm. cm. 

 Oct. 9 30x4.8 inches (76.2x12.2) 

 Weight, 1,000 grammes. 



15 



in 

 5 



!iu 



90 



90 



30 



10 



Hi 



5 



•". 







90 



mi 



30 



15 



10 



5 



3 



2 



2 



n 



'.in 

 '.in 

 30 

 15 

 15 

 Ki 

 Ki 

 5 



Attitude of plane. 



Soaring. . . . 

 Not soaring 



Soaring. . . . 

 Not soaring 



Snaring. . . . 

 a 



.. 

 Soaring. . . . 



O O 



-— — 



21.8 

 28.6 

 30.0 



5.0 



6.0 



6.2 



10.6 



17.'.' 

 12.1 

 15.2 

 21.1 

 25.( i 



5.8 



4.3 



8.1 



8.3 



9.3 



13.3 



17.1 



26.1 



22.2 



27J 



5.8 



8.3 



15.2 



17.1 

 17.4 

 17.9 

 18.2 

 22.6 









z a 



3 C 





0.40 



1.40 

 2.2( i 

 2.45 

 2.30 

 ( 1.75 

 0.90 

 ( 1.45 

 0.50 

 0.90 



2.60 

 1.20 

 1.30 



1 1.51 1 

 0.35 

 0.40 

 ( 1.55 

 ( i.5i i 

 1.20 

 1 .51 1 



0.7 

 1.7 

 2.2 

 1.1 

 2.3 



1.9 

 1.6 



c 2 



113 



317 



471 

 527 

 4'. 12 

 183 

 216 

 122 

 i ;i 

 216 



554 



•277 

 294 

 134 

 Km 

 113 

 145 

 184 

 277 

 336 



490 

 909 

 11K) 

 659 

 492 



416 



t r- 



■- - 

 — o 



.-»'.) 



166 



247 



27( ; 



258 

 96 



113 

 i;i 

 7' i 



113 



290 

 145 

 154 



7(i 

 52 

 59 

 76 

 7d 

 145 

 176 



257 

 176 

 581 

 345 

 258 



218 

 186 



.0073 



.< ii 175 

 .0076 



.00138 



.(«il 12 



.00145 



.0(1111 



.0086 



.00173 

 .00163 



,i ii is2 

 .( ii 17 1 



.00157 

 .00141 



Average of 22 determinations of km (at mean temperature. 1G° C.) = .00816. 



