| ▲ | LysPJ 2 hours ago | |
Here you are: https://en.wikipedia.org/wiki/Toroidal_propeller | ||
| ▲ | reedciccio 42 minutes ago | parent [-] | |
Uhm... The article lacks quite a few citations. | ||
| ▲ | LysPJ 2 hours ago | |
Here you are: https://en.wikipedia.org/wiki/Toroidal_propeller | ||
| ▲ | reedciccio 42 minutes ago | parent [-] | |
Uhm... The article lacks quite a few citations. | ||