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Category Archives: Uncategorized

Upgrade to Lithium Tech?

The Marshall Cat Boat shown above is equipped with electric propulsion and powered by Mastervolt Lithium Tech batteries. So this week I’m going to share an increasingly common question and my answers to them regarding lithium tech batteries. “Ed: I have a 44′ sailboat from the 80’s with two Group 8D batteries for the house bank. I am thinking about Continue Reading »

Spring prep is for the birds…

Spring prep is for the birds…

OK, so this is not one of my usual techno mistake photos, but I just couldn’t resist this one from a surveyor friend down in the Annapolis area, Derek Rhymes. Since the owner of this boat is going to want to apply anti-fouling paint to the inside of this bow thruster tube, this robin’s nest is going to go through Continue Reading »

Battery Isolation Enters a New Age

Our Friends at Blue Sea Systems has raised the bar yet again when it comes to battery isolation with the introduction of a new feature for its already popular ACR devices. The info below describes it all:   Timer Disconnect   ·         12V signal triggers relay to connect battery power to devices ·         When signal is removed the timer is Continue Reading »

Wire and Water Don’t Mix

Wire and Water Don’t Mix

O OK, so you are probably wondering what’s going on in this photo. Well it’s part of a little experiment I conducted over the recent holiday break. I had been working on an article for Cruising World magazine that was related to hidden damage to boats that may have been damaged and ultimately “totaled” by the insurance company down in Continue Reading »

Corrosion Protection, What Are the Numbers?

Corrosion Protection, What Are the Numbers?

One of the questions I get periodically is what the correct numbers should be when checking a boat for appropriate levels of cathodic protection. Or, written in proper lay terms (totally inappropriate technical terms): “So, what should the numbas be if I want to make sure my boat won’t get attacked by electrolysis?” Its a good question and deserves a Continue Reading »

2018 New Year with New Posts

2018 New Year with New Posts

Forgive my absence for the last several months. Besides being incredibly busy with a multitude of projects that have been taking much longer to get done than ever expected, we have been working on the back end of EBT to make it smoother and more reliable as well as easier for me to use. Well, the IT folks are done Continue Reading »

Electric Steering On my Cruising Sailboat?

Electric Steering On my Cruising Sailboat?

Recently one of my readers sent in the photo above with a question regarding the green wire connected to the steering quadrant. The question basically went like this: Can you tell me what is electrical in my steering system? I do have autopilot, but that is connected to the steering system via a mechanical servo arm. What purpose does this green Continue Reading »