content_image/519994.jpg content_image/519993.jpg content_image/519992.jpg content_image/519991.jpg
TECHNICAL MANUAL } 

No. 1-820 

## AIRSHIP AERODYNAMICS 

Prepared under direction of Chief of the Air Corps 

W ASHlNGTON, Pebr•um •y 11, 1941. 

WAR DEPARTMENT, 

## SroriON I. General. Paragraph 

<img src='content_image/519994.jpg'>

## ll. Resistance. 

<img src='content_image/519993.jpg'>

## III. P ower requirements. 

<img src='content_image/519992.jpg'>

## IV. Stability. 

<img src='content_image/519991.jpg'>

