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Wednesday, March 30th 2011

3:50 PM

Diving Helmets Do More Than You Think

Using the ocean for diving excursions can be very dangerous, but people from as early as the 1800's have been partaking in this event using diving helmets. These underwater explorers were able to see everything the ocean had to offer while being able to breathe at incredibly deep levels. Scuba diving and deep sea diving are two very different hobbies, with deep sea diving lasting much longer than scuba diving because of diving helmets. Nautical collectors across the globe add diving helmets, some as old as 200 years, to their nautical collections because of their beautiful appearance and value. Nautical diving helmets are such an interesting piece of history because of their effectiveness.

Using Diving Helmets As Home Decor

History shows us that there are hundreds of different types of diving helmets still being used or available for purchase for a collection. The creator of the diving helmet has yet to be found, and probably will not be since it dates back all the way to the 1800's. Diving helmets are used to keep the diver's head from being exposed to the water and suffocating/drowning the diver. Since the diver's head is cutoff from the water, he or she can communicate with people above the water with a microphone in their helmet. This was great for those divers who may become unconscious while diving. If they were still breathing, they were still able to get the oxygen they need until they were rescued.

Almost every piece of diving equipment used in the modern day requires the diver to place a breathing tube in the mouth and there is no full diving helmet. If a problem occurs while underwater, a diver is protected when using a diving helmet, which covers the head completely. The helmets are sealed at the neck using a "neck dam". Using a diving helmet such as this one allows the diver to choose the suit they are going to wear while diving. These helmets have also been used in the First World War to protect soldiers from the mustard gas that was used.

How To Care For Diving Helmets

Diving helmets are excellent additions to a person's nautical collection. You can find many of these in museums and online. They are on display to help future generations know what it was like when the first divers went under. Diving helmets from the 1800's were and still are extremely heavy pieces of equipment. It could be very difficult to find these diving helmets because they are in high demand not only to dive with but also to collect across the world. A lot of nautical collectors try to add these helmets to their private collections instead of using them.

There are quite a few historical collectors out there who decorate their homes using a tropical motif. Sitting rooms, basements, bedrooms and even family rooms can be decorated using the nautical theme. You cannot decorate solely with the diving helmet but should also have other nautical equipment for your themed room.

How I Started Finding Diving Helmets

The full face diving helmet has evolved quite a bit ever since it was first introduced back in the 1800's. Today's full face diving helmets are easier to use and lighter to carry and dive with under the water. Your nautical collection does not have to be historical since equipment is modified almost all the time. When you are looking into purchasing one of these, make sure to do your research. Credible sellers can be found just by doing a little bit of research prior to the purchase.
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Tuesday, March 29th 2011

3:48 PM

Racing Model Speed Boats

On a clear, sunny day, nothing moves faster on the sea than the slim, quick speed boat. Speed boats are small and compact, and serve only a handful of people at a time. Some speed boats are significantly larger than others, and can hold more people. The atmoshpere of a room are only enhanced by a model speed boat and its short shape with clean lines. Even without a maritime theme, any room can benefit from affordable model speed boats. Model speed boats represent freedom, swiftness, and the ability to go anywhere your heart desires. The average speed boat is extremely fast, and can travel at speed unparalleled by any other sea going ship over short distances.

Jumpstarting The Model Speed Boats Hobby

Speed boats are contemporary ships that have only recently been introduced to the world of ocean travel. The invention of speed boats was made possible by the introduction of electrically-powered mechanics and gas powered engines. Wind power did not enable or empower boat makers to create a ship with characteristics of the modern speed boat. Today, speed boats are used as ferries between two larger boats, or between land and a mother ship. For their size and type, speed boats are comparatively less expensive than their larger cousins. When compared to a schooner or yacht, a speed boat has only a fraction of the durability of its brethren, but vastly makes up for it in raw speed.

A Guide To Model Speed Boats

Designed with their original purpose and strengths in mind, model speed boats tend to be sleek. Model speed boats are small and compact, and fit in most rooms and in display cabinets where other model boats might not. Displaying a model speed boat is best where there is ample light, preferably sunlight. Model speed boats come in many varieties, and toy model speed boats are oftentimes well crafted enough to display. While less sturdy, these toy model speed boats are easier to ship and move without fear of breakage.

Model Speed Boats Aren't Just A Hobby

When handling, owners should be aware model speed boats are prone to having extremely sharp corners, and owners should be careful around children to ensure injuries do not occur. Indigo or scarlet paint is usually used to pain the bottom of most model speed boats, while the rest is white and details are etched in using varying colors of gray or black. Model speed boats will, more often than not, have the name of the boat painted in slight gold letters toward the front of the bow. The name of model speed boats is either based on the real boat the model itself was based on, or is custom chosen by the customer. Water proof paints are not the standard for model speed boats, and as such they should not be exposed or submerged in water, though toy model boats most certainly can. Two to three types of different woods are used in making a regular model speed boat, while toy speed boats are made of plastic with small metal inserts. Model speed boats will be sure to please anyone looking for a new model to include in their collection.
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Monday, March 28th 2011

2:53 PM

Finding True North With A Sextant

The stars and arrangement of the heavens have always fascinated humankind. Using the sun and stars, ancient people could navigate their journeys accurately. Both land and sea could be traversed using this navigation method. The navigation method of the stars and sun evolved, requiring both mathematical equations and constant measurement. One of the various instruments designed for this purpose was the sextant. Using a sextant, navigators could use their angle in relation to either the sun or the North Star, Polaris, to determine their exact latitude. With a sextant's measurements, navigators could pinpoint their exact latitude using the sun and North Star, Polaris, as anchoring points. Utilizing a sextant, the sun, and North Star, Polaris, navigators were able to determine their exact latitude on the earth's surface.

Civilizations with strong mathematician and astronomer populations were the first to promote the use of sextants. Usually, astronomers and mathematicians were the same person. Though Arabs, Byzantines, and early Chinese had their own versions of the sextant, the Arabs were the very first, using their thumb and finger. With a square shape and cord through the middle, the kamal was a sextant later developed by the Arabs. An important piece of the kamal, the cord allowed for the precise definition of angles. The kamal traveled through the ancient world via the Silk Road, traveling as far east as China. Civilizations labored to refine the sextant, trying different shapes and materials, such as bronze and mahogany.

Full Steam Ahead With The Sextant

The prolific seafarers, the Portuguese, developed and popularized the bronze quadrant as a navigation tool. Instead of the cord that the kamal used, the quadrant employed a string, called a plumb bob. The quadrant had two downfalls: the plumb bob would fly about in heavy sea winds, and keeping the quadrant perfectly vertical on a roiling ship's deck was difficult.

Meet The Sextant

A wooden sextant knows as a cross-staff was revitalized by the Dutch, and it closely resembled a Christian cross. However, earlier accounts tell of a Persian mathematician who spoke of a cross-staff in his letters, indicating the technology had merely taken a long time to reach Europe. Using a cross-staff commonly made the user look as though he were 'shooting the stars', hence the modern term 'to shoot for the stars'.

Walter Henshaw crafted the prototype of the modern sextant in 1711, known as the Davis quadrant. The sextant was created shortly after, which allowed navigators to scale 60 degrees of space, versus the quadrant's 90 degrees. The first octant was made of mahogany, and allowed navigators 45 degrees of scale. While sextants were easy to use, octants were far easier, and required less prior knowledge. The Davis quadrant was replaced as standard navigation fare by the octant, and the octant was replaced by the sextant.

Why I'm A Sextant Fan

Most ships of today carry a sextant as a precaution, using it to navigate only when electrical GPS systems fail. When the stars or sun cannot be seen, such as during cloudy nights or foggy days, sextants are rendered nearly useless. When equatorial or polar magnetism strikes, however, sextants may be more useful than the common navigation machine. Modern sextants can be made of any material, though metal and heavy woods are preferred. Shades are also built into a sextant to prevent harsh sunlight from inhibiting a navigator's abilities.
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Wednesday, March 23rd 2011

11:48 AM

Bells Brass Decorating

Even though the ships bell may not seem like much, it serves a very significant role on the ship as it allows the crew to communicate with each other in an efficient manner. A little investigation reveals how fascinating and multi-faceted this little piece of metal is and what a crucial component it plays on the high seas. Traditionally, the bell is made of brass and is engraved with the ship's first launch as well as the ship's name. According to maritime tradition if a ship's name has changed, the original bell carrying the original name still remains with the ship. The cook on board is usually assigned the duty of shining the bells brass and may pass on the duty to other members of his or her staff.

The striking of the bell signifies the hour on board the ship and subsequently monitors the sailors' watch duty. It clearly denotes when it is time for a shift change and allows sailors to be vigilant about the sea rather than staring at their clocks. The bells brass does not function like a traditional clock as the ringing is not done on the hour. There are eight bells that are rung on the half hour so that the shift comprises a half hour watch and each sailor knows when his shift will begin by when the bell rings. The significance of ringing the bell every half hour is so that the sailors know when their shift will begin and when it is coming to an end. New years is always rung in with a fun and symbolic 16 rings which represent 8 rings for the old year and 8 for the new.

The crew is usually divided up into groups of two or four and these groups are called watches as they literally man or watch the ship in different shifts. The watches share duties such as manning the helm, navigating and literally keeping a watch over the crew and the ship. Four and eight pm are of significant importance as the time is organized in such a way so that no two shifts are ever the same. More than just the need to avert repetition, the way the time is arranged allows everyone on board to eat dinner which usually starts at 7 pm.

The term "eight bells" has also become a nautical euphemism for finished and is often used in a sailor's obituary as in the sailor's watch is now over. The bells brass is used as a safety mechanism in foggy conditions and this has become one of its primary uses. Should an unfortunate shipwreck occur, the bells brass and its engravings play a vital role in identifying the ship. After further looking into the bells brass of the ship it is abundantly clear what a key role it plays in the daily functions of the ship as well as a safety mechanism and method of identification. The bells brass is an important tool aboard the ship and allows the crew to communicate with each other as well as symbolizes the sailor's time aboard the ship itself and the sacrifices that he or she made at sea.

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Wednesday, March 23rd 2011

11:47 AM

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