Ferrocement vessels are constructed using an internal steel armature which usually cannot be inspected as it should be totally buried in the cement skin. Note especially the repairability and the fire resistance of ferrocement construction. I havent thought about ferro cement boats since the 1970s, when i was dreaming of building one. Secondhand ferrocement 63 ketch in hampshire united kingdom. When building ferro cement structures the sand cement mortar is applied to the reinforcing wire with a trowel, never poured like common concrete work. Repairing ferro cement hulls ferrocement boat owners. Most of them will be sailing yachts of 35 to 50 feet in length, and most will. This site is devoted to the promotion of ferroboats as well as a base for all matters ferro in the boating world. Hello i live in norway and have recently started rebuilding of a 40foot ferro cement sailing yacht, colin archer design. The company grew quickly and sold ferrocement boat plans to dreamers all over the world. Pdf ferrocement is the oldest form of the reinforced concrete, dating back two centuries. Ferro cement is a construction material that proved to have superior qualities of crack control, impact resistance, and toughness, largely due to the close spacing and uniform dispersion of reinforcement within the material. Page 1 of 2 repairing ferro cement hulls posted in ferrocement boat owners association.
Professionallyfinished, fair and graceful ferro cement hull and deck. The wooden deck is bad and i will rebuild with ferro cement deck. Ferro cement componets have high strength as the cement content is very high i. If the cement is used with admixtures, care should be exercised in compatibility. Secondhand ferrocement 63 ketch with ford 115hp desel engine, 18. In a ferrocement sailing boat, what is the risk of the metal. One of the main advantages of ferro cement is that it can be construct with a wide spectrum. When dry, the whole is as sturdy and seaworthy as wood or steel. Durability of polymer and fly ash modified ferro cement elements article pdf available in procedia engineering 14.
Ferrocement or ferrocement is a system of construction using reinforced mortar or plaster lime or cement, sand and water applied over an armature of metal mesh, woven expandedmetal or metalfibers and closely spaced thin steel rods such as rebar. The fen, this website, and its associated discussion area, the fc forum, is dedicated to the detailed collection, dissemination. Generally, it can be preferable to use pure portland cement powder and add locally found sands or aggregates. I do disagree with you last answers as i have owned two one was a 52ft sloop rig and the last was a 50 plus year old 77 ft brigantine rig,4 mast both were great vessels and both seen alot of water the 77 footer and been around the world twice before i got her,the 52 was lost in a storm i was sad to see her go but then got the the 77footer and she was a bad to the bone. Boats have been built in ferro cement from 10ft to 20,000 tons. The finished craft has some real advantages over conventionally constructed boats. The reason to go with cement is because both wood and steelhulled ships require very specialized expertise while ferrocement is much easier for a novice to work with, provided he has lots of time. When building ferrocement structures the sandcement mortar is applied to the reinforcing wire with a trowel, never poured like common concrete work. The world of ferrocement boats is a 50 ft fc boat and displaces 18 tons. Rebuilding ferro cement boat sailing forums, page 1.
Boats made with ferro cement second hand 22 ferro cement boats for sale. All classifieds victoria boats, yachts and parts bell park 3215 46 ft ferro cement cruising yacht in bell park, victoria for sale price. Ferro cement is the name given by english speaking people to a boat building method using steel wires covered with a sand and cement plaster, patented in 1855 by the french, who called it ferciment. Ive started this thread to record what ive learnt about repairing ferro cement. I have just completed scraping my 50 ft tahitian back to the bare ferro hull. The cement is typically a very rich mix of cement and sand in a 3. Explore 3 listings for ferro cement at best prices. Ferrocement boat building manual volume 1 boat design net. Ferrocement except for wooden flooring inside the hulls, the boats are entirely of ferro cement, a process developed by prof. Restoring aquarius, our 55 ferro cement sailing ketch. The material used in ferrocement consists primarily of mortar made with portland cement, water and aggregate and the reinforcing mesh. The company grew quickly and sold ferro cement boat plans to dreamers all over the world. Fulllong keel classic samson cstrutter design by cece norris. To create this article, 10 people, some anonymous, worked to edit and improve it over time.
I was perusing the boats for sale on the web and came across a number of ferrocement hulled boats and i was wondering what you thought of that material in general for use in a cruising boat. This page is for anyone who has an interest in ferrocement boats but particularly the designs. Post jobs, find pros, and collaborate commissionfree in our professional marketplace. Before building the walls and roof of the tank, there must be a. Building a ferrocement yacht concrete construction. Ferro cement except for wooden flooring inside the hulls, the boats are entirely of ferro cement, a process developed by prof. Construction manual for wirereinforced ferrocement jars by catholic relief services. I do need to discuss techical details with anyone, especially construction of beams and best way of connecting new deck to old hull. Ferrocement water tank, ferrocement house, and ferrocement boat. The lowcost technology is simple, durable, and reproducible. View our full range of gilcraft ferro cement boats online at. Since i havent heard of any companies using it these.
Find your ideal boat boat, compare prices and more. Is it ever a good idea or is it a matter of manufacturer and current condition. The first ferro builds took place in the early 1800s with many from the 1890s still around. Hence the normal ferrocement yacht hull survey consists of a very careful visual inspection for signs of rust, cracking or swelling on the external and interior hull surfaces. Is it ever a good idea or is it a matter of manufacturer and. What are the advantages and disadvantages of a concrete. A 10 metres fero cement yacht powered by a yanmar diesel engine. In a ferrocement sailing boat, what is the risk of the. Ferrocement has a very high tensile strengthtoweight ratio and superior cracking behavior in comparison to conventional.
Get an email alert for new ads matching your search. Pdf durability of polymer and fly ash modified ferro. From people who own and sail them, checkout this url the page contains a bunch of links to ferro cement boats, their owners and where they are sailing. We had them lift the mizzen mast off the deck and take it down to the mast yard for refinishing and rigging. Johns book, the new way of life, encouraged countless numbers to throw off the shackles of working life, build a boat and sail off to the south pacific. The hull was professionally built and is very smooth. For amateur construction using the standard hartley truss frame, method around 25ft is about the smallest that can be built smaller requires other methods.
Boats have been built in ferrocement from 10ft to 20,000 tons. Oct 28, 2019 wikihow is a wiki, similar to wikipedia, which means that many of our articles are cowritten by multiple authors. Ferrocement or ferro cement is a system of construction using reinforced mortar or plaster lime or cement, sand and water applied over an armature of metal mesh, woven expandedmetal or metalfibers and closely spaced thin steel rods such as rebar. Johns book, the new way of life, encouraged countless numbers to throw off the shackles of working life, build a. Combine the calculations for the top and bottom to get the complete shape of. Grp boats are not maintenancefree, but pretty close. Types of yacht ferro ferrocement yachts are always cheaper than equivalent boats in most other materials, due to the poor reputation of the material which for a good example is totally unfounded. Steel rods and wire mesh are shaped into the form of a hull and plastered over with fresh cement. Ferrocement is the name given by english speaking people to a boat building method using steel wires covered with a sand and cement plaster, patented in 1855 by the french, who called it ferciment. Mixes for handbuilt projects and for noncritical uses are described.
Coordinator, ferro news a quarterly newsletter for ferrocement boat owners all boats whether they be constructed from ferrocement, steel, grp, or timber require good protection from the harsh environment in which they float salt water. Samson c strutter 50 ketch for sale, 500, 1974 boatshed. They dont rot, rust, dissolve in the presence of water, be it fresh or salt. Ferro cement is a term commonly used to describe a steelandmortar composite material. Ferro cement being a thin material single piece panel of size up to 4. Founded in 1904 and headquartered in farmington hills, michigan, usa, the american concrete institute is a leading authority and resource worldwide for the development, dissemination, and adoption of its consensusbased standards, technical resources, educational programs, and proven expertise for individuals and organizations involved in concrete design. Cemex uk sorryi know this is a nz forum make a cement called cemex rugby sulphate which is a. The metal commonly used is iron or some type of steel. My experience with ferro cement started as a young man, by reading about how to build ferro cement boats. I havent thought about ferrocement boats since the 1970s, when i was dreaming of building one. Ferrocement is a construction technology which can be used almost every where e. Price new from used from hardcover, 1973 please retry.
We had arranged to be the last haul out of the day and leave the boat hanging in the. She sleeps one double and two singles and has fridge, stove and heaps of. The fen is dedicated to serving educational needs in the field of ferrocement also spelled ferro cement and ferro cement. Ferrocement is a type of thinwall reinforced concrete commonly constructed of hydrauliccement mortar reinforced with closely spaced layers of continuous and relatively small wire mesh. What are the advantages and disadvantages of a concrete hull. Hartley ferro cement boat owners association facebook. All components are purchased at mason supply stores.
Comparison study of aluminum, ferrocement, and fiber. In some underdeveloped countries it may be necessary to obtain a certificate of the materials composition and date of manufacture, where there is the likelihood of low quality and, perhaps, adulteration. Pier luigi nervi introduces ferro cement concept in 1942 when he. The idea of using chicken wire and cement construction is not at all new. Ferrocement boat building, the inverted wood mold method. The fen, this website, and its associated discussion area, the fc forum, is dedicated to the detailed collection, dissemination, and discussion of ferrocement technology. The components of ferrocement are portland cement, sand, water and reinforcing steel, which is referred to as the armature. Ferrocement 63 ketch in hampshire sailboats used 01101. Ferrocement boat building manual volume 3 boat design net. The fen is dedicated to serving educational needs in the field of ferrocement also spelled ferrocement and ferro cement. Marine survey scope sailing vessels ferrocement ferrocement vessels are constructed using an internal steel armature which usually cannot be inspected as it should be totally buried in the cement skin. However, having said that if you wanted to make a modern ferrocement boat, and you replaced the iron armature with fiberglass you would have a boat that would literally last several hundred years with fair reasonable.
A coating system is the selection of products and the order of which they are applied to the hull to. I am new here and just got my first ferrocement boat. Pdf ferrocement has the versatility that can be sculptured or shaped into numerous. Pdf two designs of multipurpose ferrocement construction panels were. Most of them will be sailing yachts of 35 to 50 feet in length, and most will be built by men who have had little or no experi e n c e. Jul 03, 2017 hi all i had a bit of spare time last weekend and ended up looking up ferro cement boats on the net something that surprised me was that a few web sites said that the optimum hull thickness was 58 of a inch using 14 inch steel bar for the frame with 4 layers of mesh on either side of the bar and a 18th of a inch of plaster over the steel work but it also said that a lot of home builders. Hartley rorc 39 for myself as well as act as a grunt on plastering day for a bunch of my friends who were also building ferro boats and i can tell you that there were many many boats built by both proffesional yards and amatures that were as fine as those in any other material. This page is for anyone who has an interest in ferro cement boats but particularly the designs of richard hartley. Explore 5 listings for ferro cement boats for sale uk at best prices.
A solid boat that was a families cruiser for many years and is ready to take you on the adventure of a lifetime. Hence the normal ferrocement yacht hull survey consists of a very careful visual inspection for signs of rust, cracking or swelling on the. Secondhand ferro cement 63 ketch with ford 115hp desel engine, 18. Korea on an nsap project concerning ferrocement boats or subsequently through. Professionallyfinished, fair and graceful ferrocement hull and deck. Theres also a link on there to a site that promotes. The mesh may be made of metallic or other suitable materials. Those light ships and such of ferro cement that have survived 100 years of continuous use, should be looked at as examples of the method.
Mortar provides the mass and wire mesh imparts tensile strength and ductility. Feb 23, 2008 ferro cement boats for those of you seeking helpful advice on ferro cement boats. This professionally built australian registered hartley norsk 34 design ferro yacht is on the hard in townsville at. Sep 15, 2008 i do disagree with you last answers as i have owned two one was a 52ft sloop rig and the last was a 50 plus year old 77 ft brigantine rig,4 mast both were great vessels and both seen alot of water the 77 footer and been around the world twice before i got her,the 52 was lost in a storm i was sad to see her go but then got the the 77footer and she was a bad to the bone vessel,ran her about. It can be used in combination with plain cement concrete or reinforced cement concrete. In my opinion, the popularity of grp fiberglass boats is due to their near indestructible hulls. Technical data sheet of the secondhand sailboats for sale. Cemex uk sorryi know this is a nz forum make a cement called cemex rugby sulphate which is a highly sulphate resistant. Purchase books about how to build a water tank, house, roof or swimming pool using ferrocement and biological fibers. The premier scource of information on ferrocement boats, ferro, ferro cement, ferroboats and concrete boats.
Nov 10, 2017 in my opinion, the popularity of grp fiberglass boats is due to their near indestructible hulls. How to build a boat out of ferrocement diy mother earth news. Since the steel is spread over the area, the ferro cement components are usually a homegenious in composition. Some of the info seems to be out there but is sometimes is difficult to find 1. Note especially the repairability and the fire resistance of ferro cement construction. However, having said that if you wanted to make a modern ferrocement boat, and you replaced the iron armature with fiberglass you would have a boat that. Ferrocement boat construction, hardcover june 1, 1970. In ferro cement, cement matrix does not crack since cracking forces are taken over by wire mesh reinforcement immediately below the surface. Because of the reinforcement, ferro cement does not need to be as thick as concrete, and designers consider it more as a tensile skin that can be made in just about any shape. All cements are to be to bs 12 or equivalent local standard.
Secondhand ferro cement 63 ketch in hampshire united kingdom. My experience with ferrocement started as a young man, by reading about how to build ferrocement boats. Since i havent heard of any companies using it these days i thought it might be an. Ferro cement boats for those of you seeking helpful advice on ferro cement boats. The yard wanted to inspect the boat before they tried to lift her, given that she was ferro cement and theyd had problems with other cement boats. Hi all i had a bit of spare time last weekend and ended up looking up ferro cement boats on the net something that surprised me was that a few web sites said that the optimum hull thickness was 58 of a inch using 14 inch steel bar for the frame with 4 layers of mesh on either side of the bar and a 18th of a inch of plaster over the steel work but it also said that a lot of. How to build a ferrocement tank with pictures wikihow. See all formats and editions hide other formats and editions. Their hulls are massive, which is why theyve survived. Page 1 of 8 epoxying my ferro hull posted in ferrocement boat owners association. Ferrocement tanks are used in many regions of the world as water storage tanks. She has is equipped and ready to go sailing with a new tiller pilot and dinghy and outboard. Some suppliers include all ingredients prepackaged, just add water, but these prevent tailoring mixes for your specific requirements.
Once the reinforced or ferro cement sets up, youll have a seaworthy hull thats both dirtcheap and virtually maintenancefree. Mar 22, 2014 mortar provides the mass and wire mesh imparts tensile strength and ductility. I built my hartley rorc 32 using this book and plans from richard hartley. Gilcraft ferro cement boats for sale in australia boatsales.
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