Pros and cons of steel sailboats - Page 174 - SailNet Community

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post #1731 of 5317 Old 10-16-2013
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Re: Pros and cons of steel sailboats

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Originally Posted by bobperry View Post
Dave:
Mr. Winston was not there. Had he been I think he and Ruby would have gone nuts together. Ruby is very playful.
I am sure Mr Winston would have LUVED to play with Ruby! I could see them having a ball somewhere!

I do apologize for not bringing the eye blinders!

David, are you signed up for the styc fall regatta this weekend? two castro boats in nfs! you could make it 3 of 6! If not, I may have to sick mr winston on your. You know that would be a LONG slow painful death by licking!

She drives me boat,
I drives me dinghy!
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Re: Pros and cons of steel sailboats

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From previous posts the splash is what i was expecting. Waiting impatiently for the pictures. Now I will; have to buy a digital camera to take pictures of our rivers and lakes here in New Mexico. Where is the water?
stolen and then sold by water contractors likely like in california
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post #1733 of 5317 Old 10-16-2013
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Re: Pros and cons of steel sailboats

Ratster:
Are you asking where we splashed the FRANCIS LEE?
That would be Salmon Bay, fresh water, just east of the Hiram Chittendon Locks in Seattle. Actually it's Ballard.

Thanks for asking that Rat. It reminded me that we splashed the boat in fresh water. All my calculations (yes I do calculate) are done for salt water. So if I adjust for the density of fresh water it means that had we floated the boat in salt water we would have floated .246205" higher!
We are 449.9 lbs. lighter than I thought. Lighter is always good.

Back in the old days under the IOR, displacement was taken as a function of hull depths at various points and of course a length factor. Freeboards were taken at the hull depth stations in order to work out the immersed depth. Boats were often taken into fresh water for these measurements to be taken so the boat would float "heavier".

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Last edited by bobperry; 10-16-2013 at 04:02 PM.
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post #1734 of 5317 Old 10-16-2013
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Re: Pros and cons of steel sailboats

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Condolences for the death of your relevance.
Brent,
Please heed my warning. I know the last time you were sent packing your absence was bemoaned, primarily by a few who found you a convenient whipping post but even so your usefulness is limited. Enough with the outright abuse.
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post #1735 of 5317 Old 10-16-2013
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Re: Pros and cons of steel sailboats

Your Fuzzness:
I wasn't bothered by a comment like that coming from Brent. Like I said, the comeback was so obvious that I didn't feel the need to say it.

The converstion about yacht design is over.

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Last edited by bobperry; 10-17-2013 at 09:49 AM.
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post #1736 of 5317 Old 10-17-2013
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Re: Pros and cons of steel sailboats

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Originally Posted by Brent Swain View Post
You are right, that was a typo or bad choice of words. Bob never makes typos? The pounds per inch immersion rate is exactly the same for a given waterline beam and length, regardless of displacement. I use the chart out of Skenes elements of yacht design. However, the percentage of increase in total displacement 1,000- lbs gives you us much higher in a light displacement hull than in a heavy displacement hull, as is the change in performance.
Yes, I had understood what you mean notwithstanding you talking in absolute terms while you should be talking in perceptual terms regarding boat displacement.

What pisses most is your fanatical views about steel to be the most appropriate material to build almost all types of sailboats while it seems to me and to the market that it is not the case and I don't buy that talk about sailors not knowing what they want. They know and the market is a response to that and not opposite way.

On the market the ones that want a steel boat are so few that with an American exception you have no production boats made of steel and even in what regards the American one (I don't remember the name) I guess that call it production boat makes not much sense given the number of boats build each year.

That does not mean that some sailors would not value so much the advantages of steel has that want their boats made of steel, there is even one small segment of the market were almost all boats are made of steel. It is so small that it does not justifies a production boat. I am talking about expedition boats, specially the ones designed for high latitudes.

Here you have some examples:





Sail with us to the Arctic... from Pascale Otis on Vimeo.







But even if the superior strength and facility in what regards repairs makes the steel the best choice when it regards extreme conditions, specially with ice, danger of grounding or material abuse involved, even "normal" voyage boats today chose as choice material aluminium and the demand is so significant that there are several shipyards making production aluminium sailboats. They are the most common choice even when high latitudes are involved if they are not the main sailing grounds of those boats. There are also many production fiberglass and other material sailboats designed with voyage in mind, voyage that does not involve or extreme latitudes or ice travelling.

That does not mean that a steel boat is not the ideal boat to someone, even if he does not voyage, just happens that perceptually the ones that prefer that choice (and their advantages over the disadvantages) , even for voyaging, are very few.

On this thread the last (many) pages have been out of subject and I don't think some more useful information can come out of it. Steel boats on other hand, even if marginal to the market are an interesting topic so why you don't open a thread about steel boats where we could talk about different designs and designers that work, design and make today steel sailboats? I think that would be an interesting information to this forum and to the naval community. I will post there regarding the knowledge I have (not much) regarding designers that work in steel.

Regards

Paulo
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Thumbs up Re: Pros and cons of steel sailboats

thanks for posting the videos and information. I have learned lots from this thread

Britt
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Re: Pros and cons of steel sailboats

Speaking of metal boats. Here is a Dorade vent with an unusual feature that I designed for the 50'er YONI. This is one of the last hand drawn details I did. I look back at my old drawings and I have to admite, I was pretty darn good at it. Thgis drawing is pencil and ink on mylar.

I know for a lot of people obsessing over nice drawings is seen to be silly. But I worked hard to hone my craft and the best way to sell a good idea is to present it with a great drawing. This is a simple little drawing, actually 6" =12" scale, but it shows some vitality and understanding.
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Re: Pros and cons of steel sailboats

Give me some feedback here.

Do we close this thread (it will still be visible but read only) and start a couple of new ones, one to cover steel boats and another on general ... or does Paulo's Interesting thread already cover general boat design ?

I think there are plenty of us here that are well interested in seeing how BP's projects are progressing.

Thoughts ?

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Re: Pros and cons of steel sailboats

There's lots of useful information here, surrounded by friendly banter, and some less than friendly interactions.

I would encourage those who are providing the useful information to start new threads, and let this one continue rollicking along, until it dies on its own.

I have been guilty of some of the thread hijacking, but it was long gone before I did.

I should have taken Monday off and watched Kim's boat launch. That would have been beyond cool.

David

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