uncleflo
Registered since September 28th, 2017
Has a total of 4281 bookmarks.
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Boat Flags & Boat Flag Etiquette
Saved by uncleflo on September 23rd, 2022.
The United States Flag Code provides advisory rules for display and care of the American Flag, but there are also specific guidelines for flying flags on recreational boats. In fact, boat flag etiquette not only ensures that the flag is displayed respectfully, it actually helps boaters to identify one another and communicate while on open water. The five most common types of boat flags are Ensign, Burgee, Private Signal, Courtesy and Signal Flags.
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Q&A: Radar Scanner Position - Attainable Adventure Cruising
Saved by uncleflo on February 13th, 2022.
Question: What is your preference regarding the best place to mount a radar antenna? As far as we can tell from the pictures of Morgan’s Cloud you have mounted yours on a pole aft. Our previous experience with radars tells us that the antenna should be as high and free as possible. Wouldn’t a radar antenna mounted on the mast just above the first spreaders give better range and a more detailed radar picture than if it were mounted lower? It also appears from the pictures that your antenna isn’t mounted in a way that makes it able to tilt so that it can compensate for heel of the boat when sailing. Answer: First off, we should say that we view radar as the most important piece of electronic equipment on Morgan’s Cloud—yes, more important than GPS, since we can find our way with a compass and sextant but we can’t see unlit objects at night or through fog—so we have given a lot of thought to the position and installation of our radar scanner. We prefer a pole mounted aft for the scanner over mast mounting.
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Sixhaven - Jachthaven Amsterdam
Saved by uncleflo on February 13th, 2022.
De Sixhaven ligt in het centrum van Amsterdam aan het IJ recht tegenover het Centraal Station. Vanaf het IJsselmeer en de Noordzee is de Sixhaven met staande mast te bereiken. De Sixhaven heeft een unieke verbinding met het centrum van Amsterdam door de nabijheid van twee aanmeerpunten van gratis ponten naar het Centraal Station Amsterdam, beiden op ongeveer 5 minuten lopen. De oversteek met de pont naar het centrum van Amsterdam duurt ongeveer 5 minuten. De ponten varen zeer frequent dag en nacht: zie hiervoor de dienstregeling van het GVB.
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Marine Lightning Protection Inc.
Saved by uncleflo on May 11th, 2021.
Given the wide range of potential issues with lightning protection of ships, it is not surprising that a common problem is that the agent does not understand how to define the most pressing concern. Ill defined Class regulations, use of ambiguous terms such as "lightning arrestor", and the widespread availability of devices with checkered histories do not help. To this end we offer a standard 20-hour consulting package that provides basic concepts, identifies prioritized issues, and develops the framework for an effective lightning protective process. Please email us with questions or details. Another fundamental problem revealed in this scientific work was that a one square foot ground plate is "hopelessly inadequate" to prevent sideflashes in fresh water.This was not addressed in these earlier standard rewrites since, at the time, there was no obvious solution. We can now solve this problem with our patented SiedarcTM electrodes that, when distributed around the hull, provide the multiple exit points needed for effective grounding.
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Boat Lightning Attenuation Onboard
Saved by uncleflo on May 11th, 2021.
According to published reports, in the US out of the annual average of about 100 deaths due to lightning, approximately 13 are aboard boats. Suffice it to say that if lightning is a hazard where your boat will be used, a plan should be developed to deal with the possibility of a direct strike. In the Pacific Northwest lightning is relatively rare. In Florida, some areas annually have more than fifty strikes per square mile..! According to the well known lightning researcher Ewen Thompson, lightning can develop on the order of one hundred million volts, peak currents of tens of thousands of amps, and generate temperatures of some fifty five thousand degrees. Fortunately, it lasts only a fraction of a second, but within that time it can be deadly and / or very destructive. A lightning strike involves an extremely rapid change in an electric current, generating a momentary but extremely powerful magnetic field. This electro-magnetic pulse (EMP) will readily induce currents in adjacent wiring. Currents induced in wires by the EMP from a lightning strike may do some very weird things, such as fry every piece of electronics aboard. A strike nearby or on another boat can fry the electronics aboard your boat without even requiring an electrical connection or direct strike.
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Lowering and raising a mast - Snapdragon 27 - YouTube
Saved by uncleflo on December 19th, 2019.
Getting down a yacht's mast to mend running rigging and masthead fittings, in Ipsos Harbour, Corfu, Kerkyra, Ypsos,Greece
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The J Class Association
Saved by uncleflo on February 23rd, 2019.
The J Class Association (JCA) was founded to protect the interests of the Class, present and future. To keep the J-Class fleet and races alive and to encourage new build yachts to enter the field, new Class rules were established for the construction of Replica Rebuilds from original plans. One of the key drivers of the J-Class revival was the decision of the J-Class Association to allow aluminium and other materials to be used as a hull construction material. This reinforced the renewed interest among owners to build J-class yachts. After a performance analysis by Gerard Dijkstra of the existing J's as well as the designs that were allowed to be built under the new JCA rules, a specific J Class handicap system was developed in order to enable all yachts built to the J Class designs to race against each other regardless of size, sail area or hull construction.
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“Hermione” - Le navire mythique met enfin les voiles
Saved by uncleflo on September 4th, 2016.
Debout sur le pont de gaillard, le capitaine pose un regard admiratif mais hautement concentré sur le gréement de « L’Hermione », d’une complexité inouïe. Il règne à bord de la frégate une agitation maîtrisée. On s’apprête, pour la première fois, à hisser ses 17 voiles en lin (2 000 mètres carrés) : faire filer 28 kilomètres de cordages dans mille poulies, sans que rien ne s’emmêle.
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