Black sea Boatyard commenced a year ago the project called 42,5 meter steel hull motoryacht with high tensile steel and aluminium superstructure.
Yacht Charter in Turkey along Mediterranean Turquoise  Coast, namely Bodrum, Marmaris, Fethiye, Gocek, furthermore the neighbouring Greek islands are within our reach.
For centuries Turkish gulets are being used for fishing and cargo transportations in shallow waters and nowadays are being enjoyed for Gulet charter vacations in Turkey.
Location: Milwaukee, WI Water tanks are replaced when they are corrode and leak.
Boston Previous Member   while I wouldnt go so far as the previous I am also planning a build for a live aboard, although mines going to be along the lines of the old style commuter yachts.
Find someone you trust, get self educated as to what you basically want and go in with a succinct but flexible plan. Location: Michigan Whos job is gonna be rounding up two of every animal to put aboard? Ill be building it myself as having been involved in construction my whole life I can assure you if you want something done right you really do need to do it yourself.
Am working up the funds now and should be starting in the next year or two depends on what the economy does. Im developing the modifications that will make it seaworthy and will be presenting them to a NA eventually once I have a grip on what my options are and how they interact with the rest of the boat. Location: Michigan Well good luck, that would take one man a lifetime to design and build a quality boat like that, and about 250,000 - 500,000 or more depending on what materials are used and such. Other than that Im loading up a futon, a folding table and chairs, a cooler, a grill, a mini fridge, speakers and a radio, a captians chair, and chicks. Now this is a houseboat, that runs on an outboard and can actually navigate rivers and small bays too.
Location: Gulf Coast Poly Pontoons I am currently looking for house boat plans too.
Location: Eustis, FL Those old Whit designs are little more then floating Winnebagos. Originally Posted by PAR Now this is a houseboat, that runs on an outboard and can actually navigate rivers and small bays too.
Diagonals And Offset Tables » Thread Tools Show Printable Version Email this Page Display Modes Linear Mode Switch to Hybrid Mode Switch to Threaded Mode Search this Thread Advanced Search Similar Threads Thread Thread Starter Forum Replies Last Post Has anyone here started a boat building business from scratch? When making potentially dangerous or financial decisions, always employ and consult appropriate professionals.
All Web Site Graphics, Layout, and Written Content at this Domain Created by Michael Kasten. On the 15ht of November, 2011, finally our Green Nomad, now in its second form, a Kiribati 36, left port to start the life we allways long for, the jumps from anchorage to anchorage through the most diverse places in the world. We left the port of Rio Grande, which is the southernmost sea port in Brazil, where we were so gently harboured by the Rio Grande Yacht Clube for one year and a month, after Clube dos Jangadeiros, in Porto Alegre, had also done the same, allowing us to finish building our boat while leaving on board. We spent such a long period in Rio Grande due to the side trip we made to join the Sea Shepherd Conservation Society fleet in their environmental actions.
So, even though in between I had sailed more than 32500 nautical miles, after 5 years since the sale of our first Green Nomad in Australia, we were back at sea on our own boat.
It was a long and tortuous journey from one boat to the next, and building two boats for sure is not the most direct way to have your own cruising sailboat, but for us it is the best one, because it offers the liberty of choice of getting exactly what you aspire for, and the confidence of knowing exactly how everything has been put together, giving you a boat you can trust at a cost you can pay. The life of a boatbuilder, especially of a boat dwelling boat builder, when you live inside what one day will be your boat, has its difficulties, but if not the most comfortable, for sure is the one that gives you the most fun, as instead of leaving in some provisional home and thinking that tomorrow morning you have to get out, drag yourself to a shed tucked away in some corner of the city and do some heavy work, you are already there. The time spent in Porto Alegre was one of hard work and little comfort, but life was going on normally, the boat was not a distant dream covered in dust, but a reality you lived on. Even a yacht design office our unfinished Green Nomad was, with an improvised desk hanging off the ceiling. We wanted to leave Rio Grande with the best possible forecast, as this part of the South American coast can be very treacherous, because for more than 280 Nautical Miles there is nowhere to seek shelter, and the prevailing winds are directly against the route North. What we got was different, a low coming out of the coast of Brazil, from Rio de Janeiro and heading offshore on a Southerly course, and this situation brought Southeast and then South winds of moderate intensity with nice clear skies. To keep tabs on the weather we used GRIB files, that you can download from the internet ( see link on Green Nomad’s website ). After we passed Cabo de Santa Marta, the most critical part of the journey was behind us, and we could step back and shut the engine down. We sailed at a good distance from shore, 30 miles at times, in order to minimize the risk of running over fishing nets and long lines, and to our luck the plan worked. At times we were hearing Brazilian Air Force aircraft calling ships by their names, and we assumed rightly that it was some sort of ship traffic control, and so our own time came, a low flying dual prop aircraft made three passes around us, called us on VHF channel 16 and after some routine questions wished us a good trip and left.
We knew of such strict control when you approach Australia by sea, but the curious fact is that we sailed into Australian waters twice and were never controlled, and now in Brazil it came to pass. In the morning of the 18th we approached Porto Belo, in Santa Catarina State, 402 Nautical Miles away from Rio Grande, and the first sea leg on Green Nomad was coming to an end, with the boat having preformed even better than we thought and expected. On arrival we were met by our good friend João Blauth, who lives aboard his sailing home Zuretta. We took the opportunity to get in touch with long time crusing companions Vilmar Braz and Gina, with whom we sailed across the Pacific in 1998. This is how we are back doing what we most love, surroundend by friends in our almost autonomous home, generating our own electricity and collecting rain water. On December, 13, 2011, the member of B & G Yacht Design, Roberto Barros, finally managed to pay a visit to Green Nomad. Kiribati 36 Green Nomad anchored in the proximities of Marina do Engenho, Parati, State of Rio de Janeiro. The meeting took place in one of the most beautiful cruising grounds you can find anywhere, Parati Cove, Ilha Grande Bay. Marli setting the table for the fraternization lunch with the other two members of B & G design team. What impressed most the two guests was the excellent natural illumination of the interior of the boat, as well as the sensation of airiness experienced inside the saloon. Luis and Marli came to be acquainted with the designer Murilo Almeida in this very occasion. Luis and Marli are so accustomed with their sea gipsy life-style, that no matter where they call with Green Nomad,  they become the hub of the cruising community, their boat being constantly visited by other cruising sailors.
Jone has been in contact with us for a long time, and seeing the first sections go up in the yard was a great joy for them and us too, as our design gets one more unit in the water.
The CNC cutting files kit for the Kiribati 36 was all revised and improved after the building of the prototype, Green Nomad, and we can say that some solutions adopted and some changes, like making the topsides top plate advancing above the deck and making an integrated toe rail introduced even more productivity gains for the builders.
The time needed to complete the metal work is very much shortened with the use of pre-cut kits, and the precision and quality of the assembly is generally better than what can be achieved with the traditional lofting method. All transversal structure sections were assembled in the first week, and we can already see the boat taking shape. Its extra heavily built hull, with 10mm in the bottom and 8mm sides is suited to the harshest navigation conditions, from tropical depressions to polar expeditions, making the Kiribati 36 a viable option for adventurers with great inspiration but short in funds.
The design opts for simple solutions for the essential systems on board, and this means that once built, the future running costs should be limited. For those who like the design but feel they do not need shallow draft, the news is that it is almost finished the version of the design with a conventional fixed box keel. After 30 months of boat building we finally got under way yesterday, leaving Porto Alegre towards the city of Rio Grande, where Lagoa dos Patos meets the South Atlantic Ocean.
This huge body of fresh water extends for 120 nautical miles from the mouth of the Guaiba Lake to the breakwaters in Rio Grande. The news is that we tried our sails for the first time, even though we haven't the cockpit winches installed yet. We are very pleased with Green Nomad's performance, especially when we remember that the main sail is just a given one from a larger boat that we had to cut to fit the Kiribati 36 sail plan. Taking advantage that the Kiribati 36 design was created using state of the art 3D computer modeling, B&G Yacht Design is making available a step by step virtual slide show from the assembly of a Kiribati 36 metal work, with the parts added in the suggested order. This will come to help possible builders to evaluate the magnitude of the task at hand and help them decide if this Project is for them. This will confer to the design a more universal appeal, with it becoming available to a range of sailors that do not need extra low draft and prefer the simplicity and lower building costs of a fixed keel boat.


The concepts of simple systems, ruggedness, panoramic view from inside the cabin and several others linked to the Kiribati 36 appeal to a big range of sailors, and the incorporation of a fixed keel version will be a great plus for the design.
Summer is slowly arriving in Porto Alegre, Brasil, and as if to follow the end of the season the work on Green Nomad is also changing somewhat.
For a duo that is fitting out an interior for the first time, we are in fact surprised by how far we have come.
We have been living aboard during all the fitting out, which only started really in March this year, when we bought and Marli started to fit the insulation Styrofoam sheets.
But little by little we started to gain ground during the last 3 months, and now, looking around we can see that our new home is nearly finished! For the ones interested in values we spent in the above around 5000 Brazilian Reals, or some 2500 USD. First time we went out and grabbed one of the 15mm plywood sheets to cut I thought that I would not be able to move it.
Our great luck, being welcome as guests by the Clube dos Jangadeiros, in Porto Alegre , Brazil. We started by the aft cabin and went on clockwise, doing the galley, port settee, forward bunk, starboard settee, nav station, heads, engine box and finally the galley sinks that are on top of the lifting-keel box. We are also well on our way installing the plumbing, and in two more weeks shall start the electrics. Today we can already receive gests for dinner with comfort and hope many of them will come here and in the places we plan to sail to in the near future. We surface mounted the heads washbasin to save locker space underneath and to be able to bring it as far inboard as possible, attaining full headroom above it.
For exterior fit out the only news for now are the fitting of the hard dodger frame in aluminiun tubing. Luis Manuel Pinho, our new collaborator, is an engineer, yacht designer and cruising sailor of great personal experience.
The new boat, a Kiribati 36, our latest stock plan mostly designed by himself, is being finished in a very fast pace.
It has been less than 2 months since we started the interior building, and you can see in the pictures how far we have come!
Ideally we would have used the files to have all plywood parts CNC cut but, as most amateur boat builders, we have a tight budget, so our CNC is a not cutting edge but it works. Using the projected plywood parts' shapes, we nest them manually in the area of a plywood sheet, and using our own CNC machine ( from Copy'n Cut) we hand copy them into A4 pages and walk out to draw them in the real plywood sheets, and using a hand jig-saw we cut the parts. The interior furniture modeled around the aluminum structure in the same cad program fits over it perfectly, with insignificant deviation from the computer model size. And as not all is work, we are having some fun along the way, meeting old friends here in Porto Alegre.
Hull number one of the Kiribati 36 design is floating since December 16th 2008, and the boat name is Green Nomad. This boat is going to take their owners in a repeat of their voyage that started in Brazil and went across the Pacific Ocean, which only confirmed that the place they want to be in is some remote South Pacific Island.
After selling the first Green Nomad in Australia in 2006, at the end of a 10 year and 20000 nautical miles trip, Luis Manuel and Marli  went back to Brazil, not because their love of the cruising life had ended, but family matters required their presence. An unexpected turn of events saw them ready to take the cruising life again, but now they needed a boat!.
With the long dated relationship they had with Roberto Barros and the B&G Yacht Design team, the natural choice was to build one of their designs ( In fact, during their trip they met 3 boats from their design performing very well and praised endlessly by their crews ). Having an old passion for yacht design, to the point of starting the Westlawn School of Yacht Design program some 20 years ago, Luis knew enough about the design process to know he had to find a partner to develop his first design. So he decided to buy B&G YD new Multichine 36 SK design, and based on it produce the boat of his dreams.
Supported by the design office team and starting from an excellent and proven hull form, it was time to let loose the imagination and use his skills for computer 3D modeling and knowledge of fabrication processes to create the Kiribati 36. In some aspects it is the exact opposite of the first Green Nomad, being light and built of aluminum, open aft cockpit and modern hull forms against a traditional center cockpit design. Life on board for now is not exactly as seen in the pictures above, but slowly they are working to get there. The first load of marine plywood for the definitive interior has just arrived, and we expect to see the Green Nomad slowly turning into a voyaging home. Soon we will be introducing a very exciting new design, the Kiribati 36, an aluminium sail boat with a series of innovative ideas, which we are expecting to excite the imagination of many blue-water cruising sailors. They established their base in Cairns, Queensland, and from there they visited many remote islands in the South Pacific. Luis Manuel sold his boat in Australia and came back to Brazil to build his new yacht, since this was the country where he was acquainted with building facilities, based in his previous experience. 11 m or 36ft LOA gives you enough carrying capability and can take its share of rough weather and the inertia for the proposed displacement still gives you gentle enough accelerations while this size still belongs to the small boat club in comparison to the current cruising fleet. While 32 ft or 10 m can still be enough, the savings in cost will be not all that great, as a simply conceived 11m can be cheaper than an overbuilt, over-equipped 10 m long boat, and the trade off can be disadvantageous when you consider the smaller payload. Next we come to the building method, which is based on a pre-cut kit of all aluminium parts, numbered and identified in easy to read perspective drawings.
With this kit and drawings, and with the building manual supplied, an amateur with access to a shed and an aluminium welder (we recommend that an experienced welding professional be hired) can confidently put the boat together. The hull plates are designed to be nearly 100% developable in a plane, so no great forces are required to bend them to shape and a minimum of stress and deformation is introduced in the material. This hull is intrinsically very strong with the added advantage of the inherent dryness of properly built metal hulls. The choice of twin rudders behind skegs with tiller steering is logical since you want to keep systems simple and still have low draught and good steering control. The rig is a single spreader cutter in order to keep it simple and provide for enough sail area combinations for safe offshore passages. The outboard profile is dictated by the requirements of a good view to the outside and an easy transition from cockpit to cabin. The interior layout is very open and unobstructed with only the aft cabin and heads areas separated.
A raised floor central section accommodates the navigation station, where a seated navigator can look out through the hatches, and the cook has full view of the outside, providing for a comfortable and ventilated working environment. Forward and one step below there is a dinette with ample sitting room for six persons and a forward double berth.
The heads is located to starboard, aft of the navigation station, and behind it is the technical area, concentrating all through-hulls, except the main raw water intake, which is located on the keel trunk wall, being this the only underwater connection on the boat. It is well advanced the hull of the first Kiribati 36, a design adapted from our Multichine 36 SK and first of our line to be nearly 100% pre-cut by CNC. Main diferences from the Multichine 36 SK, which can also be built in aluminium in addition to steel, are changes to the deck and cabin, to allow a better panoramic view from inside the cabin, item that our clients, Luis Manuel and Marli, consider a priority for a long range voyaging yacht, and modifications to the systems in the direction of simplicity, low maintenance and low cost, as tiller steering instead of wheel, and new position of the rudders, now placed behind the transom. Being a swing keel design, the Kiribati 36 will allow them to return and explore the Pacific Ocean with more freedom of choice and options than before, when they had to play the tides in order to get into cyclone holes and other anchorages. What I would strongly recommend is hangin out and reading up on a lot of different threads here. Lots of folks live on houseboats and so can you, just that if your designing your own and its your first, your going to be making lots of mistakes and you need someone to be watching out for you. I hope to be on the water by June 10th and house part built by July 4th so I can go out and watch fireworks on the lake. The pontoons and their support framing will account for about 12% of the total build effort required on a vessel as you've described. That comes to show that the hospitality of the yacht clubs in this area of Brazil is second to none.
You work hard during the day, but at night you are right there, in the middle of a marina or yacht club, with the whole cruising scene unfolding before your eyes, and most of the times some social life with other boats starts.
In this period I also joined a ship to go to Antarctica and delivered another one from Tahiti to France. A change to a Northeast wind can drive you right back to Rio Grande, or a change to strong Southeasterlies can pin you against the coast , with headwinds both ways.
The winds on this coast at this time of the year are predominantly from the Northeast, right on the nose if you want to sail to Santa Catarina state, and usually the strategy is to wait for a cold front associated with a low pressure system travelling East down South in Patagonia.


We were lucky and the good weather followed us all the way through, motor sailing and sailing at 7 knots sometimes. We spent the last afternoon and night sailing in very light and variable winds, so weak I had trouble seeing where they were blowing from at times, and Green Nomad was still moving at speeds from 3 to 5 knots. The drawback was being almost on the merchant ship lane, but these were easy to spot and avoid in such good weather.
The sea berths proved to be on a very good spot, with minimal movement being close to the boat’s pitch and roll center, and the airy and bright interior made cooking and checking the chart a pleasant task, with a view to the outside at all times. The boat had been built in the southernmost Brazilian state, Rio Grande do Sul, so it was easier for him to wait for the scheduled call of Green Nomad at Parati, State of Rio de Janeiro, as he runs the local branch of the office in Rio. We know that Green Nomad is expected to be visiting soon many other cruising paradises, however there is no doubt that her skipper started with the right foot, choosing this nook with such gorgeous landscape.
Luis had already  built another thirty-six footer, a fixed keel monohull that took him and his wife to the most distant corners of the South Pacific, a choice that obliged the couple to endure the hurricane seasons finding shelter in places less appropriate to stay in such occasions due to the deep draught of their boat's keel. With such large experience on his shoulders, he knew exactly what he wanted, obtaining a very functional yacht, the boat the couple intend to live aboard from now on. The hatches installed in the side-walls of the cabin trunk made a perfect integration with the outside, a feeling that can't be matched by other yachts where the social area of the boat is installed deep inside. The possibility of joining a team from different places working together to produce yacht designs is one of the miracles of the new century.
We are now anchored waiting for the passage of a coming front that will bring head winds from SW, and after it, we will move another step. We are sailing towards Tapes, in a close reach with a speed of seven knots, feeling no weather helm so far, the boat making a straight course. All basic structures are in place and now it is more a finishing job, fitting locker doors, ceiling and walls lining, floor non skid recovering and painting of the internal plywood in white. From December 2008 to March 2009 we lived with the same provisional layout that we fitted in the boatyard. The last touch was to fit the nav station backrest chair, which will hold us in the rough seas.
We had a full cockpit enclosure on the first Green Nomad, what was easy to achieve due to the centre cockpit design, but now we are getting the same effect by fitting a drop down transparent back cover, which will be fastened to the cockpit seats and floor at the back of the hard dodger, something similar to what we saw in some of the Vendee Globe IMOCA 60 class boats. Even though we are loving our time here in Porto Alegre, for next winter we long to be on some tropical location, trading oilskins for T shirts and boots for  Havaianas sandals ( a brazilian sandal that spread around the world ).
This time he chose the Kiribati 36, the latest B & G stock plan, mostly designed by him. He travelled for nearly ten years to the most distant islands in the South Pacific aboard Green Nomad, a thirty-six foot home-built steel sailboat, in company of his wife, Marli Werner.
The couple is already living aboard, an experience that anticipates future adventures they so anxiously are dreaming with. After that we will tackle the walls and ceiling linings, which will be done using recycled white plastic 2mm sheets. Luis is a Metallurgist engineer graduated by the same university that formed Luis Gouveia and Astrid Barros, and many times they used to meet during their student years.
In others is just an extension, with the same attention to detail in the systems and the best equipment where it matters to ensure a trouble free voyaging experience.
Luis and Marli are living on board since launch day, in Porto Alegre, Brazil, with an improvised interior. Luis used the last months to finish the technical drawings for the Kiribati 36 design, incorporating lessons learned during the building of the first hull, and every now and then a new board is added to the incipient interior furniture. Marli is finishing the thermal insulation of the hull and deck, and Luis has finished the drawings for the Kiribati 36 stock plans, and for a time now they will be shipwrights and riggers and all other trades in order to follow the call of the islands.
The story of the Kiribati 36 began when our friend, now our collaborator, Luis Manuel Pinho, a long time cruising sailor, accepted our invitation to produce this design in a joint venture.
When that country obtained its independence, his family immigrated to Rio de Janeiro, Brazil, where Luis Manuel obtained a degree in engineering.
After four years of residence, Luis Manuel and his wife obtained the Australian citizenship, something important for us, since we also transferred our office to Perth, Western Australia. Luis Manuel and his wife intend to sail back to Australia with the new boat, where they will resume to their former cruising life-stile, and he intends to remain as our collaborator in future projects.
We used the Multichine 36SK as a base plan for the new design and he introduced the modifications he intended to accomplish, which we believe are shared by many other cruising sailors. A shallow draught is desired to amplify the cruising ground possibilities and enhance the safety of anchoring in otherwise inaccessible shelters. This is assured by using dedicated software ( Prosurf 3, Rhinoceros ) that calculates and shows graphically the amount of curvature on the surface. The twin rudders are 10cm deeper than the lowest part of the hull with the swing keel up, providing a stable 3 point base when sitting on the ground. A raised floor area just below from the main companionway hatch will provide a good view from the galley and navigation station area. A convenient space for electric equipment, pumps and all diesel fuel management is also located here. The anchor locker was brought aft and enlarged and an extra watertight bulkhead inserted at the aft end, creating a huge lazzarette isolated from the accommodation area. Between these, they were enchanted by Kiribati , reason why they chose to name their version of the design Kiribati 36. The hull panels were cut by plasma, while the remaining of the structure, deck, keel and rudders were cut by water jet.
My theory is dont cheep out on the guy watching your back, you can build it yourself out of all kinds of funky stuff but get an NA to watch out for you or one of those mistakes may cost you or your family more than you can afford to loose.
Maybe someone has a persepective that will help both of us with using the right hull or pontoon design to suit your needs. This usually interrupts the Northeasterly flow and brings moderate to strong South and Southwestery winds, many times with rain and bad visibility. Tired of seeing the shallower yachts having the best spots for themselves in the hurricane holes they aimed for shelter, Luis decided to sell his boat in Australia, and fly to Brazil, his wife's country, to build his swing-keel dreamed boat, which he co-designed with the office, the Kiribati 36 Green Nomad. After having already sailed nine-hundred miles on the new boat's maiden voyage, the couple is feeling again as fish in their element. Two civil construction plywood sheets and some beams provided a floor during daytime and the beds at night, and all was improvised.
Already on the first boat we had such an arrangement, with a longitudinal nav table and outboard facing chair, but then it was fixed.
As soon as the boat, which is being built in Porto Alegre, South Brazil, is concluded, he intends, together with his wife, Marli Werner, to return to the South Pacific, this time feeling more prepared to face awkward situations thanks to the swing keel system adopted in the design of the new boat. Soon after his graduation he built a steel boat with which, together with his just married wife Marli, sailed to the South Pacific, where they stayed for many years. Slab reefing and mainsail handling by the mast is preferred to minimize line runs and keep chafe and costs low. I plan on taking my projector and Xbox and playing on a 6' screen in the middle of the lake!!! You can learn more about the couple's adventures, opening the banner on the left upper-corner of our home-page – Green Nomad. Now we can rotate it and even raise it 20cm in order to have a very comfortable watch position. There is a very simple and low cost system to raise the keel, using an ordinary winch and a 4 to 1 reduction, pulling two 12mm spectra ropes. The modifications and the development of the pre-cut kit were done by Luis Manuel Pinho in close collaboration with our office, which shall launch an official version of the design soon.
I have been building custom structures for years in my neck of the woods, and grew up on the water, even so, I plan on getting a naval architect to assist me and check everything Im planning, a second and informed opinion is invaluable in a one off custom.



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Comments to “Free yacht hull design software”

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