3 ms·
Here you are: https://en.wikipedia.org/wiki/Toroidal_propeller https://en.wikipedia.org/wiki/Toroidal_propeller
by LysPJ 8mo ago
Here you are: https://en.wikipedia.org/wiki/Toroidal_propeller https://en.wikipedia.org/wiki/Toroidal_propeller
- reedciccio 8mo agoUhm... The article lacks quite a few citations.
- AftHurrahWinch 8mo agoReally enjoyed this: > In the centuries after Archimedes invented the Archimedes' screw, developments of propeller design led to the torus marine propeller... it was invented in the early 1890s "the centuries" indeed. :)