74 



EXPERIMENTS IX AERODYNAMICS. 



Table XV— Continued. 



December 11, 1890.— F. W. Very, Conductor oj r < iments. 



Barometer, 7:24 mm. ; temperature, + 5° ( '. : wind velocity, 0.8 meters per second. 



;i of planes. 



30s L8 in. (30 in. side 



horizontal i. 

 Wei (grammes. 



24 x tl in. I 24 in. side 



horizontal). 

 Weight, 500 grammes. 



; 

 o 

 Et 

 a 

 < 



90' 

 90 



45 

 30 



2H 



15 



ii 





 10 



Attitude of 

 plane. 



Soaring. 



ML 



13.0 



to 

 a 





1 .si i 

 2.20 

 2.10 

 0.91 

 0.47 



0.20 



0.20 



to 



a 



— - 



- r- 



930 



1,098 



1,057 



.-,.-,7 



350 



59 



59 



= = 



z d 

 s: ^ 



is 



487 

 576 

 553 

 292 

 183 



31 



31 



.0076 



.11071 



0.00144 

 0.00140 



Remarks. 



Mean of 22 determinations of km (at temperature 0° C.) = 0.0076. 



