Thanks for the information Mike. I will look into those things. If I understand correctly, this type of device is better suited for liquids and not air. This would not work well as a propeller for an aircraft, correct?
Thanks again,
John
I am a total newbie when it comes to aerodynamics but I was trying to do some research on ducted fans and propeller types that being used or in the experimental stage. I have this concept for a type of ducted fan; I guess you would call it that, but I am not sure how efficient this would be or...