Drum Brakes

[shatto]

Drum Brakes.
Where? How about on the inside and the outside of the wheel?

Boeing did it in the 1930's, before disc brakes.
Boeing B-17 brakes:

https://lh4.googleusercontent.com/-eTngyv8VV2M/TfWnHt1Ax3I/AAAAAAAAHME/lZFNUTwBUdA/s512/DSC05700.JPG

https://lh6.googleusercontent.com/-RQf4MiOBtGs/TfWnEbXLr3I/AAAAAAAAHLk/Hs09QW_nGY8/s720/DSC05692.JPG

[rogerdlf]

How do these even work?

[shatto]

Gotta do some serious cogitating on the problem.