GOOD NEWS. . . . The PICTURE UPLOAD FUNCTION IS WORKING !!! The tech folks at the parent company have been able to remedy the issue. You can upload pictures once again. Thank you for your patience.
I'm in a unique situation in that I'm looking for a propeller not for a boat, but for a passive device that will rest on a river floor. It can essentially be thought of as an underwater wind turbine, and is commonly known as hydrokinetic power. In sum, high speed river currents will turn this...
