Hs Marine Propulsion LLC

09/18/2026

https://youtu.be/cGI5ftDIOgU?t=2196

New 5 bladed HS prop on a lobster boat in ME. Jacob Knowles new build Wesmac 50.

07/15/2024

https://www.hsmarineprops.com/edge

Both boats are 1600HP, running at 1400RPM. Find out below why one boat is pushing the other one like an empty barge. Boats equipped with the Edge exhibit substantial gains in the following areas: • More Thrust • Less Vibration • Increased Fuel Efficiency • Less Cavitation • Greater Return ...

10/23/2023

Unsteady cavitation on quad screw workboat. Using analysis to solve root cavitation erosion problem and also reduce hull vubrations due to tip cav

11/07/2022

Testing Edge propellers for towboat applications

11/03/2022

Edge propeller test on small tugboat

11/03/2022

08/25/2022

HS Marine provided some assistance to FAU in their human powered submarine. They wanted to use contra-rotating props to balance the torque and enhance efficiency. The students did an awesome job designing and building and had a successful run.

06/17/2022

We have been analyzing outboard propellers recently for a project. Very interesting and very different from the mostly sub-cavitating or low cavitating environment where we normally work.