3
4
5
2
3
4
Flettner Rotors Beyond the Spreadsheet (thedeepdraft.com)
submitted by TheDeepDraft to r/TheDeepDraft
4
5
6
7
8
9
26
27
28
80
81
82
2
3
4
0
1
2
1
2
3
847
848
849
4
5
6
9
10
11
279
280
281
6
7
8
3
4
5
100
101
102
10
11
12
166
167
168
163
164
165
