Full or fin keel? - Page 79 - SailNet Community
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post #781 of 847 Old 05-13-2013
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Re: Full or fin keel?

Woah. Forty two gunports, the Flying Cloud had only one long nine on a swivel mounted either for or aft.
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post #782 of 847 Old 05-13-2013
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Re: Full or fin keel?

Interesting read. It would, also, be interesting to see performance qualities for this vessel. Where do you get this kind of information? I would be interested in further reading of this type. Thanks for the informative post.
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post #783 of 847 Old 05-13-2013
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Re: Full or fin keel?

Well said Wolfy.

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


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post #784 of 847 Old 05-13-2013
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Re: Full or fin keel?

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Interesting read. It would, also, be interesting to see performance qualities for this vessel. Where do you get this kind of information? I would be interested in further reading of this type. Thanks for the informative post.
A bit everywhere, there are some interesting books in Portuguese, some in French and Dutch and some in Swedish.

Do you know Björn Landström?

If not just buy these old books and I promise you a fascinating read .

The Ship: An Illustrated History by Björn Landström - Reviews, Discussion, Bookclubs, Lists

Bold voyages and great explorers;: A history of discovery and exploration from the expedition to the land of Punt in 1493 B.C. to the discovery of the ... A.D. in words and pictures A Windfall book: Amazon.co.uk: Bjorn Landstrom: Books Bold voyages and great explorers;: A history of discovery and exploration from the expedition to the land of Punt in 1493 B.C. to the discovery of the ... A.D. in words and pictures A Windfall book: Amazon.co.uk: Bjorn Landstrom: Books



and this is a true classic:

Amazon.com: Architectura Navalis Mercatoria: The Classic of Eighteenth-Century Naval Architecture (Dover Maritime) (9780486451558): Fredrik Henrik af Chapman: Books Amazon.com: Architectura Navalis Mercatoria: The Classic of Eighteenth-Century Naval Architecture (Dover Maritime) (9780486451558): Fredrik Henrik af Chapman: Books



The Sailing Frigate: A History in Ship Models: Robert Gardiner: 9781848321601: Amazon.com: Books The Sailing Frigate: A History in Ship Models: Robert Gardiner: 9781848321601: Amazon.com: Books



Regarding speed of old boats some are a surprise: The Caravela (the one that is one the front page on the book of exploration) was not a merchant boat but an explorer boat, so it was fast and could sail quite well against the wind.

Look at this movis with a XV century replica compare its speed with the speed of the modern boats around. Take notice that they were accused of not having the sails as big on that replica as on the original boats and even so...they can sail pretty well and downwind was its weakest point of sail of that boat.



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post #785 of 847 Old 05-13-2013
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Re: Full or fin keel?

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Woah. Forty two gunports, the Flying Cloud had only one long nine on a swivel mounted either for or aft.
The flying cloud was a clipper ship that could outrun most pirates, not to mention she was one of the last, so most of the wars done with sail were long past.

It's a shame that she eventually got scrapped. Atlantic City should have taken better care of her

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post #786 of 847 Old 05-13-2013
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Re: Full or fin keel?

fascinating links about Warwick Collins. that's thinking outside the box. thank you gentlemen. ? hasn't Etap folded shop in Belgium. if so too bad a truly unsinkable boat seems like such a good idea.

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post #787 of 847 Old 05-13-2013
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Re: Full or fin keel?

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The flying cloud was a clipper ship that could outrun most pirates, not to mention she was one of the last, so most of the wars done with sail were long past.
Fast was quite right. According to the wikipedia entry, the maximum logged speed for Cutty Sark was 17.5 knots - with an average speed over six days on one London to Melbourne trip of a little over 15kts!

Nothing slow about that..

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post #788 of 847 Old 05-13-2013
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Re: Full or fin keel?

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Fast was quite right. According to the wikipedia entry, the maximum logged speed for Cutty Sark was 17.5 knots - with an average speed over six days on one London to Melbourne trip of a little over 15kts!

Nothing slow about that..
True, but with a waterline approaching 200' that is not quite displacement hull speed. (1.34 x sq root of waterline length)

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Re: Full or fin keel?

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True, but with a waterline approaching 200' that is not quite displacement hull speed. (1.34 x sq root of waterline length)
Given that a Clipper doing hull speed would likely break in half... perhaps that formula doesn't apply. It'd look bloody spectacular though!!

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Re: Full or fin keel?

She wasn't surfing so it would have to apply. Length is the easiest way to increase speed. Large ships today travel way under hull speed economically. Hull speed of a Panamax ship surpasses 40 knots.

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