FEATURED LOG
Balancing Diameter and Pitch in Propeller Selection
Why does propeller selection lose efficiency when hull form, engine power and gear ratio are not evaluated together? We examine the core design parameters.
READ THE TECHNICAL NOTEERİŞ / 1973 FIELD NOTES
TECHNICAL
JOURNAL
JRN.01
The journey of a propeller from the drawing board to the sea. Engineering notes on design, casting, measurement and maintenance.
Maintenance Log
Manufacturing & Quality
Propeller Engineering
LOG BOOK
Latest articles
Nickel Aluminum Bronze (NiBrAl) vs. Manganese Bronze: Propeller Alloy Selection Guide
We examine the engineering differences between Cu1 (Manganese Bronze) and Cu3 (NiBrAl) propeller alloys in mechanical strength, cavitation erosion resistance, blade section thickness, and repairability.
READ
Sacrificial Anodes & Galvanic Corrosion: Propeller Protection Guide
In seawater, bronze propellers and stainless shafts form an active galvanic cell. We explain how sacrificial anodes protect your propeller from pitting and dealloying, along with critical maintenance guidelines.
READ
Propeller Balancing and Vibration: Static vs. Dynamic Balancing
Vibrations felt at specific engine RPMs often originate from microscopic mass center discrepancies in propeller blades. We examine the differences between static and dynamic balancing and their impact on propulsion systems.
READ
First Inspection of Propeller Damage: Cavitation or Impact?
Material loss, blade deformation and vibration point to different causes. We explain which signs should be recorded before making a repair decision.
READ