THE COMPONENT PRESSURE RECORDER. 



71 



TABLE XV— SECOND SERIES. 



Novembee 25, 1890. — F. W. Very, Conductor of experiments. 



Barometer, 730 mm. ; temperature, 10°.0 G. ; wind velocity, 2.4 meters per second. 



Description of planes. 



24 x 6 in. (24 in. side 



horizontal). 

 Weight. 51 H > grammes. 



o 

 o 



P 



< 



45 c 

 50 



5 



5 



3 

 30 

 10 



Attitude of plane. 



Soaring 



a 



tt 



a 



Not quite soaring 

 Soaring 



10.9 

 1 1 .2 

 16.9 

 17.2 

 19.4 

 10.6 

 13.3 



s 



P 



a 



c p 



a 





2.10 

 2.51 ) 



0.3S 



1.10 

 0.21 



so 







P 



J- x 



P'~ 



T - 5 



CO 5 



£ 



- if. 



Sj3 



9(>7 

 1,070 



82 



499 

 91 



476 

 560 



43 



261 



48 



Remarks. 



Adopt 19.6 for soaring speed. 



Too .small extension of spring 

 to give reliable pressure. 



November 26, 1890. — F. W. Very, Conductor of experiments. 

 Barometer, 736 mm. ; temperature, 0°.0 C. ; wind velocity, 0.3 meters per second. 



Description of planes. 



24 x 6 in. (24 in. side 

 horizontal). 



"W eight, 500 grammes. 



Same plane (6 in. side 

 horizontal). 



6 x ii inches. 

 Weight, 12"> grammes. 



— 

 5 



o3 



> 



3 



o 



0° 



2 



3 



5 



mi 

 90 



91 1 

 90 



90 

 ;i( i 



3 



5 

 in 



Attitude of 

 plane. 



Snaring. . . 



Soaring. . . 



.. 



u 



to 



a 



to 



'-P. » 



O CD 



p o 



O P 

 'cc w 





0.10 

 0.40 

 0.45 

 0.57 

 2.5i i 

 1.70 



1.85 

 0.97 



2. HI 

 2.05 



1 1,",! I 



0.60 

 0.73 



Remarks. 



.00141 

 .001 16 



.00136 



ni H 12 



