wellens john (15 Ergebnisse)

Hardcover. Zustand: Good. No Jacket. Missing dust jacket; Pages can have notes/highlighting. Spine may show signs of wear. ~ ThriftBooks: Read More, Spend Less.

Hardcover. Zustand: Fair. No Jacket. Readable copy. Pages may have considerable notes/highlighting. ~ ThriftBooks: Read More, Spend Less.

Hardcover. Zustand: Good. 136p brown boards, from a Cambridge college library, unused, very good Language: English.

Hardcover. Zustand: Good. No Jacket. Dust jacket missing. Shelf and handling wear to cover and binding, with general signs of previous use. Binding and pages are intact. All pages are free from any markings. Light scuffing and bumping visible to boards. Secure packaging for safe delivery.

Hardcover. Zustand: Good. Zustand des Schutzumschlags: Fair. Dust jacket in acceptable condition. Shelf and handling wear to cover and binding, with general signs of previous use. ***THIRD EDITION*** CLEAN COVER AND CONTENT PAGES. New protective mylar applied to dust jacket before shipping. Secure packaging for safe delivery.

Stapled wraps. Zustand: VG+. 2nd Edition. Paperback in Very Good+ condition. Oblong 8vo 8" to 9" tall. 79 pages. Clean, unmarked interior. Some light wear to cover. Quick shipping, excellent customer service. All books carefully packaged in boxes and ship with tracking information.

Zustand: New. In.

Hardcover. Zustand: Good. d/j very worn & repaired.

Hb. Zustand: Very Good. Zustand des Schutzumschlags: Good+. 136pp Light scuff mark to cover.

Paperback. Zustand: Brand New. 1st edition. 176 pages. 8.75x5.25x0.75 inches. In Stock.

Hardcover in Dustjacket. Zustand: Very Good. Edgewear to jacket. BOATS -Reviews: "Samson is, I think, the person who launched the ferrocement sailboat phase which lasted through the 60s and 70s mostly on the west coast and Austraila. He built many boats using two methods which he details in this book with lots of good pictures and very clear, organized explanations of the process."Anyone can build a luxury water craft with ferrocement, steel reinforcement bar, and chicken wire mesh. If you are a low budget do it yourselfer like me, you will love this book. It is thorough teaching not only how to use ferrocement and other construction materials, but teaches marine architecture and how to "loft" plans onto the floor of your work space ensuring a good looking and durable water craft. Get a copy to read when winter comes and cabin fever sets in. It is a book of dreams for the heart of any sailor."This book is worth its weight in gold! It was so encouraging to read why a ferro-cement boat is so safe! I'm so glad we have one! And so glad I made the leap and bought this book!"Building a concrete boat may sound pretty freaky . . . but it works and the job is easier than you might think. The finished craft has some real advantages over conventionally constructed boats too: it wonât rust or rot, sharp rocks donât punch holes in it and the vessel just keeps on getting stronger for the next 30 years or so!What you do is build a wooden frame in the shape of the boat you want, tack on several layers of chicken wire and metal rods . . . and then cement over all your mistakes (youâll have a lot more leeway with this process than if you were working with wood or fiberglass). Once the reinforced or âferroâ cement sets up, youâll have a seaworthy hull thatâs both dirt-cheap and virtually maintenance-free. And, if you keep the thickness of the troweled-on pour of cement down to less than an inch (which provides plenty of strength), the shell will weigh about the same as a similar hull constructed of wood.The ferrocement process seems ideally suited for that large boat you never thought you could afford. Pool your spare change and weekends with a few friends and you can build the hull of a 36-foot fishing boat in 700 man-hours for a materials cost of less than a grand! Or bring in a 50-foot work boat hullâ"with deck and bulkheadsâ"for less than 2,000 man-hours and about $4,000.This all sounds pretty implausible and it was . . . until the idea of constructing watercraft from concrete was rediscovered in the 1940âs by an Italian engineer named Nervi. The concept was later picked up by some New Zealand experimenters and brought to North America by John Samson when he established a ferrocement design and supply business in Canada. Several hundredâ"if not thousandâ"such vessels have now been launched or are currently abuilding on this continent.Almost any watercraftâ"sloops, ketches, cutters, power cruisers, tugs, trawlers, houseboats, you name itâ"can be built from ferrocement. If youâre boat-wise and already know something about this construction technique, you can probably adapt regular boat plans to the process. Otherwise you may want to buy drawings and instructions tailored specifically for ferrocement.Yes, it seems certain that ferrocement boats are here to stay . . . still, a few words of caution are in order before you dash off to âpour your ownâ.Many experts in the field advise against using the process on very small designsâ"say an 18-foot boatâ"because the thin-hulled craft that result are not (in the expertsâ opinion) seaworthy. We know of several people whoâve constructed exactly such designs, however, and they have no complaint. Then again, they werenât amateurs either.It should also be notedâ"even when constructing a bigger ferroconcrete craftâ"that the final cementing: plays a very critical part in determining the ultimate strength of the vessel. If you can find the cash to hire a professional plasterer to do the job, by all means do so.The first step is building a temporary platform to use as a foundation for building. This holds the ribs, or âstation framesâ which will later support and give shape to the concrete hull as itâs poured.The station frames must be cut, plumbed and leveled carefully because the finished hull can only be as true as the skeleton underneath. Two people working full time can bring a ferrocement boat to this point in about one week.Once the station frames are correctly positioned, wood strips are nailed over the ribs.Slowly, the skeleton begins to resemble a boatâs hull. Once the planking is in place, any depressions or bulges must be leveled. It takes around two weeks to reach this point if two people work on the boat full time.Next, a coating of strong polyethelene is applied to the hull mold. This will keep the cured ferrocement from sticking to the form. Wood âknock outsâ will eventually be replaced with portholes.After the polyethelene, 20-gauge, one-inch mesh (common chicken wire) wire is applied. Four layers of wire mesh is stapled right to the hull planking.Horizontal metal rods are then stapled in place over the chicken wire. The horizontal rods are spaced two inches apart, and will be covered with vertical rods spaced on six inch centers. A final two layers of wire mesh is then applied.Now itâs time to cement! When the great day arrives, youâll be wise to hire some pros to help you handle that final â" and all important â" step.With enough wiling hands, it only takes a few hours to plaster the average ferrocement hull⦠just make sure the best people are on the trowels!As the cementing progresses, you must turn your attention to thought of curing the job. Some builders prefer to spread damp blankets over the new shell and keep the covering continuously moistened for 28 days. Others erect a polyethelene âdomeâ over the fresh hull, insert a steam generator, build the temperature inside to 160 degrees Fahrenheit and maintain the steam-temperature level for 24 hours.The.

Zustand: New. In.

Zustand: New.

Softcover. Stapled. Zustand: Very Good +. BOATS -pp. 79 illusts 2nd. edition #100825 Elizabeth's Bookshops have been one of Australia's premier independent book dealers since 1973. Elizabeth's family-owned business operates four branches in Perth CBD, Fremantle (WA), and Newtown (NSW). All orders are dispatched within 24 hours from our Fremantle Warehouse. All items can be viewed at Elizabeth's Bookshop Warehouse, 23 Queen Victoria Street\, Fremantle WA.

Rayon : Marine Editeur : Samson Marine Design Enterprises LTD Date de parution : 1968 Description : In-4, 136 pages, relié cartonné avec jaquette défraîchie, occasion, très bon état. IMPORTANT : Pour les envois internationaux, merci de vous renseigner avant de passer commande. Les envois se font uniquement en point relais MONDIAL RELAY ou INPOST pour les pays suivants : Allemagne, Autriche, Belgique, Espagne, Italie, Luxembourg, Pays-Bas, Pologne, et Portugal. Merci de nous indiquer en retour le point relais choisi ainsi que votre numéro de téléphone mobile pour assurer le suivi du colis. ATTENTION : Les expéditions nationales de plus de 2 kilos et les expéditions internationales de plus de 1 kilo se voient appliquer un supplément de port. Envois quotidiens du mardi au samedi. Les livres sont envoyés sous enveloppe bulles. Les frais de ports comprennent les frais d'affranchissements et d'emballage. Librairie Le Piano-Livre. Merci. Référence catalogue vendeur: X15658.