3 blade counter clockwise at 30 rpm

3 blade clockwise at 30 rpm

4 blade counter clockwise 30 rpm

4 blade clockwise 60 rpm

5 blade upside down counter clockwise 60 rpm

5 blade upside down clockwise 60 rpm

FEA Analysis

Small motor RPM v. Torque

Fish Food Propellor Test

4 inches from the bottom

7 inches from the bottom

10 inches from the bottom

Lean Canvas

Videos

3 blade counter clockwise at 30 rpm

3 blade clockwise at 30 rpm