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Displacement. The second marking is Navigational drafts- measures down to the lowest/deepest portion of the ship in the water. IN some cases it is to the bottom of the Sonar dome - if present - is usually below the Keel. Different ships have different designs- Some ships have the propellor shaft at an angle - instead of parallel to the keel, and the vessels project the propeller and possible also the rudder below the keel
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your keel that your vessel doesn’t run aground. I can’t find any other reference, online or in hardcopy sources, for the term “draft outline”. The only places it turns up are direct copies of this
Knowledge article, which is bad. No one should be copying this awkward and possible meaningless phrasing as though it’s authoritative. --
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someone means that the “draft” measurement goes all the way to the bottommost part of the vessel, and the “draft outline” means something like the bottom of the interior space of the vessel. That, however, is entirely irrelevant to the way “draft” is used, which is all about having enough water under
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has a draft of 8.5m, what size ship in tonnes does this relate to? 08:17, 1 August 2011 (UTC). The port does not have a draft- they establish and restrict vessel entrance to vessels of less than or equal to a set value- based on the harbor water depth across regions ships transit. I'm
American
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I have been advised by an engineer to calculate by using, what is known as the metacentre. By research I have found the
International Marine Centre on the big Island of Hawaii has the computer with the software for doing this calculation for all ships, tankers, and barges. I am a new member that has
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Ok - Are other certain Draft & Draught are the exact same concept, just country of use. US Navy ship will have 2 sets of Draft markings- One set match the concept presented = measured from the Keel (bottom of the hull) to the waterline. This draft is used for entry into tables to determine
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had the experience of working with aircraft weight and balance, so I was not surprised to find that with ships there is a number of factors that have to be calculated in order to find the proper draught before you launch your ship, A.H.H., Calgary
Alberta.
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I disagree. All the concepts mentioned are closely related to the topic, and the article itself isn't all that long. What forces cause draft variation and what effects draft has are critical info, and they certainly don't deserve their own
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374:- so I think in feet - that approximately 25 feet. Too much variability to other dimensions of the ship (length, beam, hull shape)- I'll leave it to you to look up ships and see the draft.
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This article has too many different concepts in one place. May I suggest that "Variations of the draft" and "The implications of draft be removed".
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Umm, show me a dragon boat that has a draft of 1.20 meters. This has to be a typo. These are long, narrow and have a lo draft. --
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For example: Ballasts placed very low in the keel of a boat such as a dragon boat with a draft of 1.20 m for a length of 8.90 m.
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494:(p. 7-3) indeed indicates 6 in tall letters with 1 ft ticks (this allows easy measurements with the increment of 3 in).
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Shouldn't the first sentence describe
Draught for an UNLADEN ship (e.g. largely empty?)
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86:-related articles. If you would like to help improve this and other articles, please
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I do not know of any US specifications for the dimensions of the draft marks.
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94:. All interested editors are welcome. To use this banner, please see the
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That sentence is wretched, and I’m strongly inclined to simplify it. I
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in the banner shell. Please resolve this conflict if possible.
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Meaning of "with the thickness of the hull included"
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