Can somone tell me the diference in a solid and a flow torque prop.

The flo-torque style propellers have interchangeable hubs to fit different applications.

For example, with a flo-torque prop, you can run it both on a small shaft or fat shaft prop shaft with just a change of a sub $100 kit. For outboard applications, you can buy an OMC hib kit to run a Mercury prop.

A solid hub is a cast in place or welded in hub that is not interchangeable .