Convair B-36 bomber tracked landing gear.
Fullsize image: https://s3-us-west-1.amazonaws.com/h...r_fullsize.jpg
https://s3-us-west-1.amazonaws.com/h...nding_gear.jpg
57-second video of landing gear being tested:
https://www.youtube.com/watch?v=eDCgMlomhvM
More: https://en.wikipedia.org/wiki/Convair_B-36_Peacemaker
Previously:
https://www.homemadetools.net/forum/...9418#post89258
https://www.homemadetools.net/forum/...403#post101479
https://www.homemadetools.net/forum/...959#post125005
https://www.homemadetools.net/forum/...3312#post98673
