October 2025 Newsletter – Exhaust Injection Angle
Photo Essay: Exhaust Injection Angle
Water-cooled, often referred to as “wet” exhaust systems, enable otherwise extremely hot gasses to be safely conveyed through a vessel,...
Photo Essay – January 2015
Is your Belt the Right Size
Photo and text by Steve D'Antonio Copyright 2015 SDMC, Inc. The belts used to turn various engine accessories- raw water pumps,...
June 2025 Newsletter – Fan Belt Shedding
Photo Essay: Fan Belt Shedding
Fan belts fulfill a vital role for engines; they transfer energy from the crankshaft pulley to other vital components and...
Photo Essay – April 2015
Bilge Pump Plumbing
By Steve D'Antonio All photos and text copyright SDMC, Inc. 2015 ‘A menagerie of disparate plumbing components’ would be an apt caption for this...
November 2022 Newsletter “Wiring Lithium-Ion Battery Systems”
Photo Essay: Wiring Lithium-Ion Battery Systems
Fires aboard vessels equipped with lithium-ion batteries quickly capture the attention of the boat building and cruising communities, and...
Photo Essay: Cored Composite Construction; its Strengths and Weaknesses
Text and Photos by Steve D’Antonio Copyright © 2014 SDMC Inc. Look around any boat yard, boat show or marina and you’ll see acres of shiny...
Photo Essay: Hull Strainers Revisited
Text and Photos by Steve D’Antonio Copyright © 2014 SDMC Inc. In the July Marine Systems Excellence Photo Essay, I covered hull strainers and one particular...
December 2017 Newsletter
After a fall boat show hiatus, the SDMC Newsletter is back on watch. Text and photos copyright © 2017 Steve D'Antonio Marine Consulting, Inc.
Photo Essay:
Exhaust Back...
October 2024 Newsletter – Shaft Coupling Fasteners
Photo Essay: Shaft Coupling Fasteners
The average small vessel may have anywhere from hundreds to several thousand, fasteners aboard, used in everything from joinerwork to...
May 2025 Newsletter – Lifeline Corrosion
Photo Essay: Lifeline Corrosion
While plastic coated wire lifelines are a ubiquitous aspect of small boat safety, they aren’t without their shortcomings. Long ago, while...









