SV Sparklemuffin

SV Sparklemuffin

Delivering Smiles by Sailboat!

Category: Technical

Yanmar 3JH2E Heat Exchanger Core Assembly Photos

Posted on September 6, 2022September 6, 2022 by Chuck B

In Yanmar 3JH2E Heat Exchanger Removal, Step-by-Step with Photos, reader John M brought up the orientation of the core assembly within the heat exchanger. I believe there are three things to consider to properly place the core assembly:

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Mantus Anchor Bridle: Can You Spot the Problems?

Posted on July 26, 2022July 26, 2022 by Chuck B

My boat came with a Mantus anchor bridle, which I admit to having never used. For snubbing, I’ve simply used nylon rope secured to the anchor chain using two rolling hitches in series. However, for the scenario of leaving the boat unattended at an anchorage, I have been considering all options on the table.

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The Swiss Cheese Model 🧀

Posted on March 11, 2022March 11, 2022 by Chuck B

I recently learned of the “Swiss cheese model” put forth by James T. Reason. The idea is that there’s a number of steps between events and an undesirable outcome… multiple opportunities or defenses to avoid a poor outcome, in other words.

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How to Get Worldwide Satellite Wind Observations (ASCAT) via Email

Posted on March 9, 2022March 10, 2022 by Chuck B

While cruising in Mexico, I have access to forecasts of various weather models through PredictWind and an Iridium GO. I can also obtain NOAA synoptic charts for the region. However, on a couple notable occasions, the forecasts—even when just hours ahead—differed significantly from real conditions.

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Yanmar 3JH2E Heat Exchanger Installation, Step-by-Step with Photos

Posted on March 6, 2022April 13, 2022 by Chuck B

This is a follow-up to Yanmar 3JH2E Heat Exchanger Removal, Step-by-Step with Photos.

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Revolve Rollable Boat Hook

Posted on February 17, 2022February 17, 2022 by Chuck B

Being on a small boat, I’m always on the lookout for ways to save space.

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Yanmar 3JH2E Heat Exchanger Removal, Step-by-Step with Photos

Posted on February 15, 2022March 6, 2022 by Chuck B

Hopefully you never find yourself in a position where you need to replace your heat exchanger (like I did!). But if you do, firstly, I’m sorry! And secondly, hopefully this article will help ease your pain.

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Goodbye, Vesper 😢

Posted on January 5, 2022February 15, 2022 by Chuck B

I am extremely saddened to report that Garmin has acquired Vesper. This marks the beginning of the end for the Vesper I love.

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PredictWind Offshore Wish List

Posted on January 5, 2022January 5, 2022 by Chuck B

Here’s where I’m tracking my wish list for PredictWind Offshore.

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Re-Sealing ABI Portlight Glass

Posted on November 10, 2021November 10, 2021 by Chuck B

Disassembly was straightforward. Some heat and scrapers were used to help coax the pieces apart. It appears the original sealant may have been a polysulfide.

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