July 2025 Newsletter – Risers and Siphon-Breaks
Photo Essay: The Perils of an Unvented Loop
Vented loops, also known as anti-siphon valves or siphon-breaks, have served mariners for many years. Their mission...
August 2018 Newsletter
Photo Essay: Core Closeout
It’s a subject that comes up time and time again when I’m working with boat builders and boat yards, core close...
November 2018 Newsletter
Photo Essay: Hull to Deck Joint
Few boat building interfaces are as important as the one that occurs between the hull and deck. The loads...
Photo Essay – February 2015
Wiring Strain Relief
Photos and text by Steve D'Antonio Copyright 2015 SDMC, Inc. It’s an issue I encounter aboard nearly every vessel I inspect, regardless of whether...
August 2022 Newsletter “Seacock Appendages”
Photo Essay: Seacock Appendages
It’s a scenario I encounter all too often, a “Christmas tree” of hard plumbing, T’s, nipples and other fittings, connected directly...
July 2016 Newsletter
Copyright © 2016
Ask Steve: July 2016
Steve, I just bought an Ocean Alexander 42 Sedan with CAT 3208s in it. They do not have air cleaner filters, just...
June 2021 Newsletter “AC Ground Wire Sizing”
From the Masthead
Let me begin by apologizing to Marine Systems Excellence readers for our hiatus. As most boat owners, and virtually anyone who is...
August 2024 Newsletter – Stainless Steel Raw Water Plumbing
Photo Essay: Stainless Steel Raw Water Plumbing
Stainless steel is undoubtedly the most commonly used boat building hardware alloy, and with good reason... it’s durable,...
September 2017 Newsletter
Text and photos by Steve D'Antonio
Photo Essay: (Not) Painting Aluminum
It’s a phenomenon I encounter on a near-weekly basis; virtually every vessel I’m aboard suffers,...
April 2016 Newsletter
Text and photos copyright © SDMC, Inc. 2016
Photo Essay While it may be cliché, the first words that come to mind when I see this image...







