Added mass for partially to fully submerged cylinder chart. From Drift-wood Collision Load on Bow Structure of High-Speed Vessels. Yasumi Toyama. Marine Structures. Vol.22. (2009). Pgs. 24-41.
Aspects of the Propeller Safety Debate chart
Houseboat Propeller Regulation Proposed and Withdrawn by USCG: Analysis by PGIC
History of Boat Propeller Safety
Mitigating Boat Propeller Injuries & Fatalities Chart