Designing next year's submarine for the University of Michigan's Human Powered Submarine team and am struggling to find information on efficient...
Hi all, just canvasing for opinions. I have dagger blades for rudders in my 30' catamaran, they probably weigh about 8 - 10 kg's each. Currently...
The whale through millions of years have developed scalloped leading edges on their flippers. It has been shown in wind tunnel tests that...