Cylinders model an adult human to determine risk of being swept away in a tsunami. From An Approach to Design Evacuation Route Through Developing Tsunami Casualty Model. Muhari, Koshimura, and Imamura.
Houseboat Propeller Regulation Proposed and Withdrawn by USCG: Analysis by PGIC
History of Boat Propeller Safety
Mitigating Boat Propeller Injuries & Fatalities Chart
Four Volume Review of the Boating Industry’s Boat Propeller Guard Product Liability Defense