Compilation of Test Data on 111 Free-Spinning Airplane Models Tested in the Langley 15-Foot and 20-Foot Free-Spinning Tunnels

[johnbr]

Compilation of Test Data on 111 Free-Spinning Airplane Models Tested in the Langley 15-Foot and 20-Foot Free-Spinning Tunnels
Investigations of Tumbling Characteristics of a 1/20-Scale Model of the Northrop N-9M Airplane
Free-Spinning-Tunnel Tests of a 1/20-Scale Model of the Northrop N-9M Airplane
Power-Off Tests of the Northrop N9M-2 Tailless Airplane in the 40- by 80-foot Wind Tunnel

 

[johnbr]

Investigations of Tumbling Characteristics of a 1/20-Scale Model of the Northrop N-9M Airplane

 

[johnbr]

Internet Archive Search: Northrop N9M-2 airplane

 

[johnbr]

Northrop N-9M, April 1943

 

[johnbr]

Northrop N-9M, April 1943 Photograph Curator