6o SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 62 



Oscillation in Yaw 



/ model and apparatus = .0396 

 / apparatus =.0343 



Test on Bare Apparatus 



V 35 20 O 



t 108 115 120 



V 0014 .00131 .00126 



Vo 0013 .00126 .00126 



Vw 0001 .00005 O 



Test on Apparatus with Model 

 incidence of wings 0° 



V 35 30 24 12 



t 52 57 64 105? 



V 00335 .00306 .00272 .00166? 



Vo 00126 .00126 .00126 .00126 



Vw 00013 .00011 .00009 .00004 



vm 00196 .00169 -00137 .00036? 



incidence of wings 12' 



V ...'. 35 30 18 8 



t Z2> 36 47 73 



V 00528 .00484 .00371 .00239 



Vo 00126 .00126 .00126 .00126 



Vxo 00013 .00011 .00006 .00003 



Vm 00389 .00347 .00239 .00110 



incidence of wings 6° 



V 35 30 20 



t 46 53 71 



V 00379 .00329 .00245 



Vo 00126 .00126 .00126 



Vw 00013 .00011 .00007 



Vm 00240 .00192 .00112 



M _ 26^ V 



50 y,n 



Nr = .3SU =-394, forf=o°, 

 AT^zz. 398^7 =-26.0, fort = 6°, 

 Nr=.72U =-38.9, fori =12°. 



