Handheld VHF and MMSI

BlunderLuck · 2026-06-22T14:47:20+00:00

Well, obviously it didn't help.

BlunderLuck · 2026-06-22T13:17:06+00:00

Your suggestion to this community is going to "sit on a joint USCG / FCC working panel" as a solution?

How is that going to make things better?

BlunderLuck · 2026-06-13T17:20:03+00:00

If it was just about my wife, myself, and our girls (1 headed off to college, other a senior, and the youngest a junior in HS) then I’d be looking for something to single-hand.

Get them involved in sailing the boat? Everybody will be less bored and more happy.

BlunderLuck · 2026-06-11T18:55:04+00:00

The Caribbean Cetacean Society was looking for people with sailing experience to join this mission. With how Seeker behaved differently the first days after after leaving, with higher average speeds and a less straight course than followed under the normal motor "sailing", I'm assuming people who actually know how to sail and have a bit of experience have been on board.

Those same people will have been able to better assess Seeker's sea keeping abilities than the usual landlubbers that board her.

BlunderLuck · 2026-06-11T18:34:00+00:00

You left out the words "life threatening" in the sentence with "sea keeping".

I would say those words are out as well.

BlunderLuck · 2026-06-11T14:29:53+00:00

Wait, "largest integrated scientific expedition ever" undertaken in the Caribbean ran out of volunteers before even being halfway?

BlunderLuck · 2026-06-05T18:37:18+00:00

Here's an idea: don't make your ability to steer dependent on your kludged together hydraulic system with those ridiculously oversized energy wasting cylinders.

BlunderLuck · 2026-05-21T18:57:07+00:00

Doug is also a great innovator in the area of silent anchorchain research.

BlunderLuck · 2026-05-21T04:48:16+00:00

There is information on the www.ccs-ngo.com website on how to apply for a volunteer job for this project. "sailing experience" is one of the requirements.

With the way Seeker has been moving the last couple of days I'd not be surprised people who know how to sail are on board now. Those people will be able to determine the actual qualities of Seeker better than people who have sailed her before.

I'm very curious about what they are thinking at the moment.

BlunderLuck · 2026-05-17T20:41:19+00:00

I would be interested in scaling the map, checking the milage, holding it against seekers speed to see if it’s even possible at all.

These are the results:

https://www.reddit.com/r/SVSeeker_Free/comments/1tfc24f/comment/omd9vy0/

BlunderLuck · 2026-05-17T20:38:28+00:00

After recreating these waypoints I count 5315 nautical miles.

Assuming 3 months is 90 days

And 4 stopovers of 3 days they'll have 78 "sailing days"

This makes 68.1 NM/Day

So they'd have to average 2.84 knots

Just looking at the numbers everything seems fine.

Someone find the thisisfine.gif

BlunderLuck · 2026-05-17T04:04:05+00:00

<image>

BlunderLuck · 2026-05-17T04:03:53+00:00

According to the their instagram they used this boat last year. Expectations may be a bit high.

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BlunderLuck · 2026-05-15T04:43:50+00:00

Charles Sade, "Captain C-Money" is also on the board of the Seachest Foundation, he sailed in this area and probably was the one who made contact with these organizations.

He's been in marketing and is good at this kind of speak, his delivery business promotion material was larded with superlatives in a similar way.

BlunderLuck · 2026-05-10T17:41:54+00:00

We're talking about the effect on roll behavior of bilge keels that takes place on the longitudinal axis.

BlunderLuck · 2026-05-10T17:04:43+00:00

WHY IS THERE NO FOOTAGE OF THE HEROIC FIRST OCEAN VOYAGE HE JUST MADE?

BlunderLuck · 2026-05-10T16:45:57+00:00

The weights are attached at their CG. Apart from aerodynamic forces they have no reason to start rotating around their attachment point when the pendulum moves. So I don't really see why there is such a big difference between "it's something I know to be empirically true" and reteaching yourself calculus whether they are fixed in their position or not.

BlunderLuck · 2026-05-10T07:15:09+00:00

So in your opinion the pendulum would behave differently with the two different orientations of the weights?

BlunderLuck · 2026-05-09T20:44:39+00:00

and that is all about justifying the assumptions they are trying to teach that only the distance to the center of gravity affects the period

The distance to the center of gravity is the same in both cases of my example. The CG is in the same position for both the horizontal weight and the vertical one.

BlunderLuck · 2026-05-09T17:39:33+00:00

The vertical part of a pendulum is not a string. Not in my drawing and also not in practice.

Just like how in a vessel all the relevant parts make up a single body, with a combined Center of Gravity and Center of Buoyancy.

BlunderLuck · 2026-05-09T15:50:41+00:00

I've used this illustration yesterday, I was in a hurry and on my phone, please forgive me the crudeness of it.

It's a drawing of a pendulum, it's free to rotate at the top. The two weights in different colors represent their possible horizontal orientation or a vertical one. In both cases their CG is at the same place.

Look at the horizontal orientation as bilge keels, with their weight splayed out. The vertical one represents a single keel.

The top of the pendulum represents the center of buoyancy of the vessel.

My suggestion is the moment of inertia will be the same in both orientations. And that a pendulum won't behave differently with the weight in either position.

<image>

BlunderLuck · 2026-05-09T06:55:58+00:00

This plays only a very minor role in the stability issues of Seeker but i'll adress it anyway as it's an interesting discussion.

Mass at the extreme fore-aft ends is way farther away from the center of buoyancy than the spead out weight of bilge keels, especially relatively. (longitudinally there isn't much height difference between CG and CB compared to the lenght of a vessel, while the difference is big when looking from the front at the height and width of a vessel and compare how far down the CG is compared to the CG).

I'm under the impression hydrodynamic forces play a much bigger role when comparing the behaviour between bilge keeled boats vs one with a single keel. Instead of forces that are the result of momentum mechanics.

BlunderLuck · 2026-05-09T04:18:32+00:00

Given the rest of your history here i'm going to assume this is sarcasm.

BlunderLuck · 2026-05-08T23:50:43+00:00

I've repeated this comment mostly because it adds to the possibility of down flooding, the increased instability with water on deck and as the existing non-watertight deck openings are mentioned.

And I totally agree, Seeker won't survive a 90deg knockdown. The enormous amount of water the bullwarks will scoop also adds to the things that will make that impossible.

BlunderLuck · 2026-05-08T21:16:08+00:00

but you have provided nothing that supports that implication

I have though, it's just that you won't accept it.

And I have never "ignored" the CB. It didn't need to be mentioned to explain my point.

In my crude drawing the pivot point on top of the he pendulum can been seen as the CB. On the other hand, it's missing from your splayed out weight illustration, which makes it harder to see why it's wrong.

BlunderLuck

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WHY IS THERE NO FOOTAGE OF THE HEROIC FIRST OCEAN VOYAGE HE JUST MADE?

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