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Daylight... |
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16 and more tradesman are working on baord Fyne Spirit. Painter, decorator, welder, joiner, electricians, plumber, engineers and our bo'sn, they all form an orchestra of work on baord and ashore.
Full daylight through huge windows give the lounge sun and full dlaylight. The passenger cabins, remarkedly spacious for a vessel the size of Fyne Spirit, are nearly finished,. Pictures will in a few days be hung up. Well, we are getting there.
The bridge electronic is partly installed. Radar, echo sounder, GPS, radio station, GPS compass, and satellilte communication, All is either working or being worked at.
You can hear a rumble from the engine room. Main engine and auxilaries are being tested.
To make it all work as a unit we need the blessing of God as well. All individual parts will form Fyne Spirit, for the pleasure of guests, crew, owners, and onlookers. |
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A magnet, which can move freely, aligns with the earth's magnetic field.
At the equator the line of force is parallel with the earth. Moving south or north the line of force meets with the surface of the earth in an increasing angle. At the poles the magnetic field is vertical. A magnet compass can not indicate in what direction the ship is heading.
The magnetic field around the globe is disturbed in places. There can be great variations in the earth's magnetic field. The exact value of the variation is given in the sea chart. In mid Atlantic this can be up to 20 degrees.
The magnetism inherent in a an iron ship structure causes considerable diviation of the compass. The ship's magnetic field must be neutralized by magnets and pieces of iron, placed in and around the binnacle, to allow the compass align solely to the earth's magnetic field. Its simple, physics and mathematics used!
At sea the compass is regularly checked by the officer on the bridge. Taking a bearing of the pole star makes control easy.
Should the sun rise in the west, then the compass needs a test!
Gyrocompass and GPS compass make things easy now.
The first compass in Europe was developed at Amalfi, Italy, around 1200 AD. Navigation was considered an art, now science started.
A magnetic compass and a GPS compass you can find on the bridge of Fyne Spirit.
GPS compass: signals from satellites are received by three arials and computed, giving direction of the ship's keel. |
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to be continued... ! |
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