Category Archives: Boat Technical

Specifics about the boat.

Bahia Falsa to La Paz

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On Thursday afternoon, we’d attempted to go to La Paz via the road. Unfortunately, the logistics hadn’t worked out.  

Here are a couple sunrise photos from Friday:

Still wanting to go to La Paz, we started Friday morning off by planning the logistics to take Kosmos. Once we realized that conditions would be more favorable to travel in the early afternoon, we went back to the shallow nook and frolicked in the water some more. Oddly enough, there were less fish and birds than yesterday.

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February 2019 Update on Us

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Our big news is that we have moved back to San Diego! The San Francisco Bay Area was nice, and we did enjoy the boating up there, but we are deeply rooted in San Diego. Eric has returned to work at DivX, and he is excited by the new opportunities there. Keith is back at his former French language immersion school. We have mostly fallen back into our old routine. That includes helping our two remaining parents, who are both in their late 80s, very frail, and need a lot of help.

We returned in early January, when weather windows along the coast are few and far between. We lucked out and got an amazing weather window from San Francisco to San Diego in between two big weather systems. The window lasted three days, and we managed to get back into San Diego in (relatively) blazing fast 70 hours. Here is a photo of sea conditions:

Last year, we did a lot of work to Kosmos. We changed out both refrigerators and the washer/dryer, resealed the main engine keel cooler, installed a new wind sensor and display, installed a new inverter, got new bottom paint, and put Prop Speed on the keel coolers.

We’re hoping that life slows down for us soon so that we can find time to fix the technical issues with the blog site, as well as write posts about the work we’ve done to Kosmos and the places we’ve explored, both via boat and via land travel. Meanwhile, here is a pic from Angel Island, a small island park in the middle of the Bay:

Choosing a New Muffler and Removing the Old One

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…continued from the Exhaust Wrap and Exhaust Leak (and Muffler) post. Here is what the muffler looked like when we took the exhaust wrap off:

Eric wanted to replace the old muffler with a stainless steel one. He contacted Nordhavn to see if the same muffler was made in stainless steel. It was, however, it was $1,400 vs $400 for the carbon steel version. But the bad news was that, while it wouldn’t rust as quickly as the carbon steel one, the stainless steel one was still prone to rusting, too. Hmmm… that didn’t sound good.

Eric talked to a few people and found out that Continue reading →

Exhaust Wrap and Exhaust Leak (and Muffler)

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In early 2010, we knew we had an exhaust leak. Also, the shiny metallic coating on our exhaust wrap in the engine room was starting to disintegrate, regularly shedding small silver fragments all over the engine room.

Eric knew getting the exhaust wrap off to look for the leak would be be messy, since it was falling apart. Getting it back on would be difficult and even messier. We decided it was time to replace the wrap, and hired a professional to remove the old wrap, measure and fabricate new wrap, and install it. While the wrap was off, Eric could inspect the system and make the repair.

Rather than Continue reading →

Engine Mounts (and Main Bank Alternator)

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Last April (2011), we took Kosmos into a local boat yard, Driscoll, to have some work done. The two rear engine mounts had worn out, causing some vibration, the main house alternator was nearing the end of its life, and the a through-hull needed a new barb. Driscoll was supposed to replace the two back engine mounts, rebuild the alternator, and fix the through-hull. The work took two days. Christi was onboard all day both days, holed up in the pilot house working on The Unexpected Circumnavigation Part 2. Since the mechanics went in and out of the engine room through the hatch in the living room, they usually didn’t see her. But she heard them come and go, and heard every noise they made in the engine room, including their conversations. She noted exactly how many workers there were and how long they worked for. The labor hours totalled 11.

When the work was completed, Eric inspected it. The mechanics had forgotten to tighten one of the bolts on the engine mounts! And the alternator was not the same one they had taken to rebuild! The mechanics immediately tightened the bolt as Eric requested and apologized for the oversight, but both argued with Eric about the alternator, insisting it was indeed ours. For a good fifteen minutes, they swore up and down that Continue reading →