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post #161 of 242 Old 11-13-2013
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Re: Full Keel

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You are on Jim.
But you have to bring the beer.
You got it!
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post #162 of 242 Old 11-13-2013
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Re: Full Keel

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Bob,

The real version is a really lovely boat. You can sort of tell the client is a former Hinckley guy from the portlights and forward trim on the house which carry a faint sent of an H.H past. Really nice piece of work-thank you for sharing that.

Jeff
I agree with Jeff 100%.

Truthfully, I've never been as massive a fan of Bob's designs as others here are (just not into 'modern' - sorry)... but that there is a real work of art!

So much for retirement - methinks you've outdone yourself, Bob.

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"Honestly, I don't know why seamen persist in getting wrecked in some of the outlandish places they do, when they can do it in a nice place like Fiji." -- John Caldwell, "Desperate Voyage"
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post #163 of 242 Old 11-13-2013
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Re: Full Keel

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Pretty boat, reminds me of a Tumlaren like Adlard Coles Cohoe, but not quite as lean.
Brian, Cohoe was a Stor-tumlaren - not a "real" one.

Here's what a Tumlaren looks like (this is Galatea - one of a few in our fleet):


But, yes, a pretty boat in PCP's post... and a lot more "Koster" than "Tumlaren".

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"Honestly, I don't know why seamen persist in getting wrecked in some of the outlandish places they do, when they can do it in a nice place like Fiji." -- John Caldwell, "Desperate Voyage"

Last edited by Classic30; 11-13-2013 at 08:40 PM.
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post #164 of 242 Old 11-13-2013
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Re: Full Keel

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Miti:
The V berths were designed so that two men could sleep there without feeling too,,,,,,chummy?
Sorry Bob, I went to have dinner with friends.

It is amazing how a keel can change the looks of a boat. That draft is what? 2.30/2.40m?

I really like the look of the boat and yes if I had the money for that kind of boat and the costs associated with I am sure you could design me, taking as base that design a boat I could live with

It makes no sense to have a custom boat if the boat is like the others so imagining that I went through with it the first thing I would ask regarding your boat was a top building with epoxy vacuum infused technology with carbon reinforcements. That and an even deeper keel (lifting keel) and a modern interior would allow a much lighter boat with less wet surface and less rocker. A top builder could make a boat like that with about, let's say 5000/6000kg for the hull and something like 3000/3500kg of ballast.

That and a much more elongated torpedo on the keel would be a good start.

That boat with a big stiffness a great grip on the water about 8000kg of displacement and the possibility to reduce draft to 1.80m could really convince me to have a classical looking boat. Yes I know the keel would create problems in the interior but with 46ft I am sure that I could handle that in what regards design. Well if not with 46, with 48ft, but who cares if I would have money for that I would not be much concerned about the extra cost. Dreams don't have price

Thanks for the drawing.

Regards

Paulo


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post #165 of 242 Old 11-13-2013
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Re: Full Keel

Paulo:

I like it too but I'd go fixed keel.
That is 2.89m draft as drawn. I did that sketch in 10 minutes while I ate my lunch. See that mustard next to the rudder.

Right, a lifting keel drives the interior design But that can be dealt with.

I think you should get a night job and save your money.

Please visit my blog. It's fun to read.


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post #166 of 242 Old 11-13-2013
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Re: Full Keel

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Paulo:

I like it too but I'd go fixed keel.
That is 2.89m draft as drawn. I did that sketch in 10 minutes while I ate my lunch. See that mustard next to the rudder.

Right, a lifting keel drives the interior design But that can be dealt with.

I think you should get a night job and save your money.
Nah, on that I am with with Brent: I prefer to keep my boat and go cruising in it 4 months a year instead of getting that night job for having a boat when I will only to be able to sail it from a wheel chair

Regards

Paulo
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post #167 of 242 Old 11-13-2013
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Re: Full Keel

Well, I should talk. I don't even have a day job. I just design boats all day long. It's a hard life.

Please visit my blog. It's fun to read.


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post #168 of 242 Old 11-13-2013
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Re: Full Keel

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Brian, Cohoe was a Stor-tumlaren - not a "real" one.

Here's what a Tumlaren looks like (this is Galatea - one of a few in our fleet):


But, yes, a pretty boat in PCP's post... and a lot more "Koster" than "Tumlaren".
As I understand it both of Coles' Tumlare were designed by Knud Reimers. Zara was less than 22' on the waterline. Cohoe won the TransAtlantic race of 1950. Both Zara and Cohoe were raced extensively in open ocean, and Coles loved the light feel of the tiller. I remember a picture in the early edition of Heavy Weather Sailing showing his hand on the tiller in a gale. He was also quoted as saying they were as wet as a half tide rock.

The Koster is definitely a fuller heavier boat but the reminder is still there, despite the differences.

I haven't read Heavy Weather Sailing for decades. I should pull it out for a re-read. Even though it has been updated multiple times I always liked Coles writing style and have not bought any of the newer editions.

What is the difference between a Stor-Tumlare and a Tumlare?

Brian
Living aboard in Victoria Harbour

Last edited by mitiempo; 11-13-2013 at 10:17 PM.
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Re: Full Keel

Classic

I think I found the answer. Stor means large in Swedish. Tumlaren means Dolphin. Apparently Knud Reimers (a Dane) designed the Tumlaren class in 1933 to marry the Koster boat, long and narrow, with the speed potential of a Scandinavian Skerry cruiser.

Adlard Coles gave the name Cohoe to all his boats - after the fastest of the salmon.

Back to researching Tumlare.

Brian
Living aboard in Victoria Harbour

Last edited by mitiempo; 11-13-2013 at 10:21 PM.
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Re: Full Keel

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Originally Posted by mitiempo View Post
Classic

I think I found the answer. Stor means large in Swedish. Tumlaren means Dolphin. Apparently Knud Reimers (a Dane) designed the Tumlaren class in 1933 to marry the Koster boat, long and narrow, with the speed potential of a Scandinavian Skerry cruiser.

Adlard Coles gave the name Cohoe to all his boats - after the fastest of the salmon.

Back to researching Tumlare.
Yep, you got it.

There are subtle design differences between a Stor-Tum and a regular Tum - mainly to do with the Tum being originally intended to be a 20m2 class racing yacht whilst the Stor was more... "comfortable".

Koster's are quite something (particularly the Norwegian wooden ones) and there are a couple of (very quiet) people I know on this forum who are lucky enough to own them.

To sail a Tum is an experience in itself.. ask anyone who has owned one. A little like driving a sports coupe along a winding ocean road, it's a whole new enjoyment of wind and water. I'd love to have one - and there are a fair few around to choose from - and they are certainly a lot quicker than my old bus, but one Classic at a time is enough for me.

Happy researching!!


EDIT:
Quote:
Originally Posted by mitiempo View Post
As I understand it both of Coles' Tumlare were designed by Knud Reimers. Zara was less than 22' on the waterline. Cohoe won the TransAtlantic race of 1950. Both Zara and Cohoe were raced extensively in open ocean, and Coles loved the light feel of the tiller. I remember a picture in the early edition of Heavy Weather Sailing showing his hand on the tiller in a gale. He was also quoted as saying they were as wet as a half tide rock.
Well, a half-tide rock isn't always wet all of the time.. There's been a bit of unpleasantness around our clubs recently over the fact that the Tums don't have self-draining cockpits and are thus deemed by some to be "unsafe" in the rough stuff. Interestingly though, over the course of their +80 year history in this country not one has ever been sunk in a storm. IIRC, three Tums competed in a long-distance race on our Port Phillip back in the late thirties in which one other yacht sank and half the remaining fleet turned back, yet all 3 Tums finished the race just fine... and, as you point out, Adlard Coles took his safely across the Atlantic.

Mr Reimers certainly knew how to design a racing yacht.

-
"Honestly, I don't know why seamen persist in getting wrecked in some of the outlandish places they do, when they can do it in a nice place like Fiji." -- John Caldwell, "Desperate Voyage"

Last edited by Classic30; 11-13-2013 at 11:17 PM.
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