When I took fluid mechanics, i had to work on the problems with a group of students. And you have to make sure that you can do the examples during class and ask your professor if you don't understand, because if you can't understand the examples, you won't understand the homework.
This kind of propeller is used on tugboats, ferry's and was used during world war 2 on mine disposal ships. It allows transference of thrust in any direction in only a few seconds. Ferry's can spin 180 degrees to unload cars quickly, mine disposal ships can avoid mines, tugboats can pull a ship...
Trying to figure out how to model a cycloidal Propeller. Here is the concept I am using. http://www.rexresearch.com/voight/propbew2.gif
When the Socket (left side) is on the axis, the propeller blades to the left or right are at 90 degrees. As long as this socket is on the axis the blades...