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Old 07-30-2013, 12:23 PM   #241
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Quote:
Originally Posted by manyboats View Post
Mark on that link psneeld put up there's 4 FOUR images of your Coot.
How did that happen?
The batch of pictures changed. When I rechecked, there were four exterior shots of the Coot as compared to three interior shots in the earlier batch.
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Old 07-30-2013, 12:37 PM   #242
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The Willard/Fales hull does carry the keel all the way fwd but it's not much more than half it's former size when it reaches the bow but still very much a full keel. I suspect that the reason for that is that Rod Swift who designed them usually designed sailboats. I've not seen his other work.
With the low cabin your Boomerang sure looks longer than Willy.

I think the term "full keel" has more meaning re sailboats.
Willy's underwater lines remind me of the 19th-century clipper ships.
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Old 07-30-2013, 01:16 PM   #243
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The batch of pictures changed. When I rechecked, there were four exterior shots of the Coot as compared to three interior shots in the earlier batch.
Google and all the major search engines have crawl bots on this and every other website. Chances are more than good that the pictures where posted by you at this or another website.
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Old 07-30-2013, 03:02 PM   #244
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Deck-to-Hull joint

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Originally Posted by CPseudonym View Post
Do you have an example of how the joint is made at the material transition zone?

Has this construction method been used on a vessel of similar size?
I do not have any definite plans right at the moment,...only a few rough sketches and some things in mind. But basically this deck-to-hull joint will be done with one of the latest adhesives (Plexas, or other brands of methacrylates, or special toughtened Epoxies) that are currently employed by many production boatbuilders to glue their deck-hull joints together without need of any other fasteners.

Likely this joining may also incorporate some sort of 'lip' or 'notch' design element that will make a 'mechanical linkage' as well.
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Old 07-30-2013, 03:09 PM   #245
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Google and all the major search engines have crawl bots on this and every other website. Chances are more than good that the pictures where posted by you at this or another website.
When I was looking around at photo hosting sites (and their little 'tricks'), I discovered some small print in the Google one, Picasio. When you sign up for that one you basically allow Picasso to come in and grab every image on your computer !!!

Wow who wants that, ....and/or how do you but a limit on that??
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Old 07-30-2013, 06:16 PM   #246
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Wow who wants that, ....and/or how do you but a limit on that??
You don't. That's the price of "free" services on the web. "Internet privacy" is the biggest oxymoron of them all. I'm amazed people still get shocked when they read the fine print of what they are "agreeing to" at the sites they get free stuff or services from.

The photo hosting sites ToS is quite complete though as far as allowing unlimited access to your hard drive. Followed only by gaming and porn sites.

All that not withstanding though, anything posted here or any forum for that matter is quickly picked up, archived and indexed by search engine bots. I've done Google searches and page 1 consistently returns info posted here within hours of its submission by the poster.
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Old 07-31-2013, 03:54 PM   #247
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Dutch Stella Maris

This boat belongs to a friend of mine who bought it out in Seattle in order to do the inside passage up to Alaska. When I first saw pics of the boat, and even afterwards when I visited the boat in person, I thought surely it must be the hull for a motorsailer.....well it could be.

Single 6 cyl diesel engine, and bilge keels. Bottoms first

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Topsides
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Inside
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She is for sale right now,...unless he can find a really good price on shipping her back to the east coast
Pacific Rim Yachts (Seattle, WA)
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Old 08-08-2013, 08:38 PM   #248
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Hull Forms & Stability Discussion

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Originally Posted by brian eiland View Post

I'm thinking of a few modifications (to the Pilgrim bottom)
1) Steel plate hull from deck level (bottom of that dark stripe on Firefly)down with a little harder chine shape like Island Eagle.
2) Island Eagle shape would be easier to fabricate in flat panel steel, and it would result in a little more displacement volume for the vessel.
3) That extra displacement shape would allow for a 'reasonably' thicker steel plate with less smaller-pieces of internal framing. This extra weight of the hull would be down low contributing to less rolling moments.
4) Then we save weight on the top. The deck and all superstructure from the bottom of that dark stripe on Firefly all way up including the roof of the saloon and pilot house would be built from resin infused polypropylene honeycomb panels. I believe you could save as much as 40% off the current weight of that structure that exist. Wow, what that might do for her rolling motions.
Heavier hull, hard chine, lt-weight superstructure.....hmmm looks like I'm thinking correctly.

I was just reading back thru the Great Harbor trawler site and found some interesting 'observations' by their designer:

A SAILBOAT HULL IS NOT A GOOD TRAWLER HULL
Great Harbor Trawlers' Trawler Truths: Why a sailboat hull is not a good trawler hull.
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Form Stability vs. Ballast and Stabilizers
About Great Harbor Trawlers : Design Discussions

Space Age Core
About Great Harbor Trawlers : Design Discussions : Space Age Core
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Old 08-08-2013, 09:39 PM   #249
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And the Boomarang gets a green bottom this time around!

Good looking boat. I really like the colors and love the canvas work.
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Old 08-08-2013, 10:00 PM   #250
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Quote:
Originally Posted by brian eiland View Post
This boat belongs to a friend of mine who bought it out in Seattle in order to do the inside passage up to Alaska. When I first saw pics of the boat, and even afterwards when I visited the boat in person, I thought surely it must be the hull for a motorsailer.....well it could be.

Single 6 cyl diesel engine, and bilge keels. Bottoms first

Topsides

Inside

She is for sale right now,...unless he can find a really good price on shipping her back to the east coast
Pacific Rim Yachts (Seattle, WA)
Now that boat has a full keel. almost.
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Old 08-08-2013, 11:19 PM   #251
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Regarding the Great Harbor boat I'm more impressed w the boat that the designer Lou Codega. He says;

"I continually read of builders and colleagues touting what they perceive to be the optimum hull for all conditions, having exactly the right blend of this quality and that aspect and this pedigree to make their hull the best choice for everyone under all conditions. That's frankly a bunch of hogwash and does you, our customers, a great disservice. The life of today's trawler yacht is just too varied to make one hull form the best for everyone at all times."

As I see it he's saying a general purpose hull for a trawler would be good as the uses of trawlers is so widely varied no one hull would be suitable but then he designs a hull (and the boat to go w it) that is extremely narrow focused. Makes no sense to me.

And about sailboats I have no idea why he's talking about them in the first place and even though the title of his text implies he's going to enlighten us he (in my opinion) never does. He just states "sailboat hulls are for sailboats period". Any designer that would design the GH boat is obviously very fixated on stability and those that buy the boat probably are too. Codega talks like most trawlers are round bottomed boats lacking terribly in stability. Whereas the opposite is true.
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Old 08-09-2013, 07:19 AM   #252
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Considering the guy from that link starts his whole premise on...

We call these "The Seven Truths of Trawler Design."
TRUTH NO. 1: TWIN ENGINES ARE BETTER THAN ONE

A single-screw trawler is a bad idea. It's a bad idea even with a "get-home engine" because get-........................

He's so FOS that the rest becomes meaningless........

While his points alone have some validity...like most things in life when you put them all together...they just don't hold water....or float as the case ay be....

Nice marketing write-up though...any average boater might even believe the hype.
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Old 08-09-2013, 12:40 PM   #253
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Good looking boat. I really like the colors and love the canvas work.
I couldn't agree more! Great lines and color.
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Old 08-09-2013, 01:09 PM   #254
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I couldn't agree more! Great lines and color.

Thank you all!

I'm sure Boomarang is blushing by now . . . . .

Larry
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Old 08-09-2013, 01:15 PM   #255
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Thank you all!

I'm sure Boomarang is blushing by now . . . . .

Larry
Boomerang has no reason to blush, that lady can strut around in complete confidence! She's a real beauty
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Old 08-09-2013, 02:13 PM   #256
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Only pic I have.
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Old 08-10-2013, 08:01 AM   #257
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Boomerang has no reason to blush, that lady can strut around in complete confidence! She's a real beauty


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Old 08-10-2013, 01:06 PM   #258
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Old 11-14-2013, 05:37 PM   #259
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Finally got around to having a look. Changed zincs, inspected, and cut the crab pot buoy off the shaft.





Next summer I will restore the bottom, take care of some minor blisters, paint and so forth.
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Old 11-15-2013, 04:14 AM   #260
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Quote:
Originally Posted by psneeld View Post
Considering the guy from that link starts his whole premise on...

We call these "The Seven Truths of Trawler Design."
TRUTH NO. 1: TWIN ENGINES ARE BETTER THAN ONE

A single-screw trawler is a bad idea. It's a bad idea even with a "get-home engine" because get-........................

He's so FOS that the rest becomes meaningless........

While his points alone have some validity...like most things in life when you put them all together...they just don't hold water....or float as the case ay be....

Nice marketing write-up though...any average boater might even believe the hype.
And also he wrotte :
"exploring coastal areas or making annual migrations along the waterway. Offshore trips will be possible when the urge strikes under conditions that are as controlled as can be expected, by which I mean that forecasts for the passage will keep the boat out of true storms."

With my "bad English" I understand , his drawing is NOT a "trawler/passaggemaker"
I am right ?
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