Minimum Aluminum Tube Wall Thickness as Control Push-Pull Rod

[aircraft]

There is a benefit to use tubes with walls as thin as possible to reduce weight while maintaining column stability. But other practical considerations, such as prone to damages, ease of reparation, should put a limit on how thin they can be. What are the minimum thickness and its major considerations?

 

[psween]

 

[BBerson]

 

[Marc Bourget]

 

[aircraft]