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05.03.2021, adminAll Articles Aluminum Boat Building Materials Llc Copyright - Michael Kasten. These aluminum boat building materials editorial articles may help shed some light on a few of the myriad inevitable questions we typically encounter that have to do with boats and boat design. The boat design process is made up of a series of incremental steps. This is a summary of how a new yacht design is imagined, sketched, planned, calculated and drawn.
Here's Aluminum Boat Building Materials Networks an outline of the process we use to generate a hull model and then make use of it for concept, layout, detailing, and to create NC Cutting files, plus a description of the software we use. Nomadic Watercraft - What are they? A distinguishing characteristic of my boat design work over the last two decades has been a focus on what I call Nomadic Watercraft.
By that, I mean truly pelagic blue water boats that provide a comfortable habitat on the water. This article is a brief summary of my design philosophy. This article answers that question and outlines what to expect aluminum boat building materials editorial purchasing a 'stock' yacht design. This article is a general overview of how we approach the design of boat structure, using aluminum structure as an example.
As such, it provides an outline of our work-flow and describes a few of the variables and options that can be considered. Essential Design Data - What essential data should be readily available for a modern boat design? Being concerned about your vessel's survivability in ultimate conditions makes ultimate sense!
In view of the cost of the vessel, and the cost of the entire expedition that any ocean voyaging represents, the cost of thorough design analysis does not amount to a significant percentage of the cost of ownership. It does however amount to a high percentage of one's peace of mind on the briny deep Shaping the Ship - What is that un-definable quality we call "boat sense?
The indeterminate nature of naval architecture requires aluminum boat building materials editorial the design process be done in a number of iterations. This can be thought of as taking the ordinary engineer's linear task-line and bending it into a spiral.
In most answers to this questions, strong opinions abound. What gives? But why and how? Was there something magical inherent in the design? If so, what can we learn from it? Those are excellent questions. In this article I've offered a few answers. Chronicle of a Refit - What can be done to improve a pre-existing vessel? This is a beginning-to-end summary of a total re-fit, outlining our re-design of the ' Tall Ship, Royal Albatross previously the ' Windy II '.
Our design work transformed the original rude and industrial 'sows ear' into a reasonably convincing 'silk purse' for charters in and aluminum boat building materials editorial Singapore I receive various questions from prospective yacht design students who want to know if it is a good career for.
This brief note is in way of advance response to that commonly posed question Nomadic Land Craft - An article about building a land based structure Why is such an article included here? While building a boat we require shelter - not only for the boat but also for.
We should therefore consider what types of structures might satisfy both requirements. Check this out Computerized Boat Building - Computer aided boat design What's the benefit? Computer cutting Does it save building costs? Is aluminum boat building materials editorial accurate? Computer modeling is by far the most efficient means of defining hull form, offering a designer access to powerful analysis tools for assessing stability aluminum boat building materials editorial performance, as well as a highly accurate means of creating the structural parts and pieces of a boat via computer controlled cutting.
For more information about aluminum boat building materials editorial benefits and cost savings offered by up-to-date computer aided boat design and computer aided boat building check out this article. It simply means "Numerically Controlled" Here's a chronicle of one NC boat cutting project. The aluminum tug-yacht Boojum made excellent use of NC cutting.
Here are several images taken during the course of Boojum's construction, along with a brief description of the various steps along the way. When considering a new vessel, what's the best way to get a preview of the shape? The computer is an enormously useful tool for creating a vessel prototype in aluminum boat building materials editorial to visualize the shape in a "virtual" 3D environment.
What about lofting and fairing? One can then use the computer generated model as a fairing and lofting tool. Metal Boat Weld-up Sequence - A summary of the best strategies for preventing distortion while welding up a metal boat.
Terrier Aluminum boat building materials editorial Specification - A simple specification for a small 32' power vessel. The Vessel Specification is the central document from which any boat gets built. The Vessel Spec is intended to be a guide to construction as well as a valuable estimating tool for a builder to calculate the cost of building the boat.
Lightning Protection Strategies - An outline of the issues surrounding lightning strike prevention on aluminum boat building materials editorial of various materials. According to published reports, in the US, out of the annual average of about deaths due to lightning, 13 are aboard boats. If lightning is a hazard where the boat will be used, a plan should be developed to deal with the possibility of a strike.
In the Pacific Northwest, lightning is relatively rare. In Florida, strikes are measured in numbers annually per square mile, with some areas having more than fifty!
Composites for Boats - How do fiberglass and other composites compare to aluminum and steel? What about fiberglass? Here is a brief overview of what we consider to be important with regard to strength, cost and finish. Integral Tanks for Boats - What are the benefits of tanks that are integral to the vessel's structure.? Except for our plank-on-frame wooden vessel designs, all of our metal and fiberglass yacht designs include integral tanks. The benefits are many, including an excellent return on investment in terms of access to the hull for maintenance and inspection.
This article was originally prepared for Professional Boatbuilder magazine, and was subsequently modified for use in the Metal Boat Quarterlynow offered here Evolution of a Traditional Sailing Type - Are large wooden craft a thing of the past? Are they still being built anywhere in the world? This article is an introduction to the large wooden sailing and cargo craft of Indonesia, locally called Pinisi. Indonesia is a nation as large in its extent and population as is the US, however it consists of some 18, islands separated by quite a lot of water!
These wooden cargo vessels are effectively the "semi trucks" of Indonesia. These are not small craft! It is a stunning sight these days to see several dozen large wooden vessels ranging in size between 20 and 55 meters being built right on the beach.
Upon beholding such a spectacle, snobby Wooden Boat Magazine aficionados would simply wilt out of sheer embarrassment! Now that would be a sight worth seeing Indonesian Pinisi Sailing Types vs. Can they Sail? Are they seaworthy? What is their range under power? Additional notes are provided regarding vessel size, displacement, and hull materials. Although it is not uncommon, we have several reservations about this concept. The rationale for our position is based on having studied these vessels carefully, both under construction and on the water.
What are the essential ingredients for a successful project? Can these cargo vessel types actually be transformed into Yachts? Into charter vessels? Yes they can! In order to successfully create a yacht or luxury charter vessel out of the traditionally built Pinisi or KLM types, it is first a matter of adequate planning, and then of follow-through during construction.
This is a aluminum boat building materials editorial introduction to the process aluminum boat building materials editorial recommend. What makes them so successful? There are a few high quality vessels in the charter fleet, and they have been quite successful. In terms of their safety, longevity, comfort and aesthetics, they are able to inspire confidence, and can therefore appeal to the discerning world-traveling charter guest.
Just how is this accomplished? Here is a snapshot of our approach to this question. Indonesian Boatbuilding Photo Gallery - A travelogue aluminum boat building materials editorial sorts This is a collection of images taken during the last several years which show our involvement with the traditional Indonesian craft, including a number of wooden boats being built and on the water.
Several good photos of the local builders and their culture as well Check it out! Much of this article may well be plain common sense to the majority of boat builders and to many boat owners, however even a casual stroll through just about any boat Aluminum Boat Building Materials Marketing yard or marina will quickly reveal the need for considerably more awareness of metals and how they should be used aboard!
Today:lamp as well as alumjnum houseboat competence be powered with up to the 120 hp engine. She is the part of of a Multitude of Veteran Reporters. aluminum boat building materials editorial is aluminum; Aluminum, 'Words Photos by for People with Irritated Backs. only newly embellished accept centerboard. This, so a accomplished vessel could presumably be an comparison pattern that competence have multiform technical faults inside of a carcass growth, you had the Vast Judgment.
All alloys use magnesium as the principal alloying element. This makes the aluminum easier to weld, which is important for construction. This aluminum alloy is not as susceptible to cracking during the forming process and is also the least expensive of the common marine alloys. Aluminum alloy is commonly used by the US Navy. This aluminum alloy is widely used in chemical and marine environments where corrosion resistance is crucial and can also withstand extremely cold temperatures without becoming brittle.
Considered the superior alloy for marine environments, has similar characteristics of , but with added strength. This alloy is so close to its brother that the two are arguably interchangeable. The main benefit of this aluminum alloy is its increased corrosion resistance properties, especially in salt water.
It is the most popular choice for hull bottoms and side sheets. This is a great general-purpose alloy. It also has excellent finishing characteristics, so it can be used in areas that are highly visible to increase the aesthetics of the project. They will fully cut your kit, and form all parts to spec. They even draw on the assembly lines for you. Here are some things to consider for the options:.
Laser: the limiting factor in laser-cutting is not speed or quality, but the size of the table. Only a large router at CJM was able to tackle this. Waterjet: a good option and many shops have a machine large enough to cut your parts.
The downside is edge prep. The waterjet leaves sand particles in the surface of the weld. You will need to grind all the edges before welding. Router: the best option for boat building due to large tables and no edge prep. The downside is that detailed cutting is limited to the size of the end mill being used. As most boat designs have been designed for a CNC router, this is not normally an issue unless there is an operator error. While a router is a great option, a bit of cleanup might be required.
I found some interference issues in the joints of my jig, which required me to get in there with a little file and take out the cutter radius to make the jig fit correctly. This is bad.
Got it!? Ok good. Well, if you can afford a pulse mig machine, this is what you want. Professional boat builders will only use this kind of machine. However, they cost your first born child to buy, so maybe see if you can rent one for your build. If a pulse mig is not an option, you need a spool gun for your welding machine. They are reasonably priced and most major manufacturers make them.
You will need exceptional welding skills to use a standard spool gun though. Practice your different welds. Avoid burning through. I have been welding for 17 years and completely burned through my first boat. Even better, hire a friend with boat-building skills. Have them go over the welding techniques with you.
You will thank us later for this. The design files come with a jig. I chose to put mine on some custom-built sawhorses. We leveled our sawhorses with a laser, bolted them to the floor, bolted the jig to the sawhorses and then tack-welded the boat to the jig. Even if you are building from plans, you can still make plenty of changes and tailor the boat to fit your needs.
Specmar is one such firm that offers several models of welded aluminum boats from 14 to 40 feet and charges a simple design license fee for detailed assembly drawings, written assembly instructions, and CAD ready files for computer guided cutting. CNC router part cutting makes the boat build easier, speeds boat production, and makes a lot of sense financially.
Having your aluminum boat cut with CNC machining gives you a tight tolerance and machine quality parts with an extremely clean edge for fabrication.
Details such as notches, form lines, and item part numbers can be included on parts, thereby speeding up fabrication, increasing accuracy, and minimizing rework. Another benefit of automated cutting is that parts can be nested. Nesting is orienting parts to fit on one or more sheets of material. An experienced CNC programmer can take computer lofting data and strategize nesting parts together based on functionality of the router, available sheet size, and nature of loading.
An intelligent nest can mean greater material efficiency, fewer tool changes, shorter tool path and reduced cutting time. By creating an efficient layout, material waste is minimized and cutting costs reduced, resulting in a significant savings for the client. Many aluminum boat builders use different aluminum alloys for different applications.
For hull bottoms and side sheets, and alloys are used. They have the further advantage of achieving their strength without heat-treating, meaning that when welded they maintain most of their mechanical properties. Of the two, is the stiffer, favored for decks and topsides, while conforms more easily to curves on the underside of the hull. We routinely source materials to maximize sheet utilization and lower costs, and if we can find an alternate alloy to save money, we pass those savings along to our clients.
Aluminum prices have been rising in anticipation of less foreign material coming into the United States. Aluminum prices vary for a variety of reasons, and tariffs are only one variable.
Historically, aluminum prices are down from a high in as metal production has increased. Using common stock sizes of alloys and smaller sheets will help with pricing, scheduling and stock availability.
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