Here it is used for fishing boats of various sizes. The metal commonly used is iron or some type of steel. Build your own boat boat building guides hartley boats. Next, a coating of strong polyethelene is applied to the hull mold. Steve explains how to make roof panels on the ground so you dont have to plaster overhead.
A composite material is a formed that behaves differently from reinforced. Since i havent heard of any companies using it these. Mixes for handbuilt projects and for noncritical uses are described. This 62 ketch rigged ferro cement sailing yacht was home built in 1976 on the river yar in yarmouth, isle of wight. See more ideas about cement, faux bois and concrete sculpture. Generally, it can be preferable to use pure portland cement powder and add locally found sands or aggregates. In a ferrocement sailing boat, what is the risk of the metal.
Presented by vipul 3108 ridham 3408 hatim 8 definition of ferro cement aci committee,549,1988 ferro cement is a form of reinforced concrete using closely spaced multiple layers of mesh andor small diameter rods completely infiltrated with. Ferrocement is a versatile, construction material, with applications in low cost housing, rehabilitation, strengthening and repair of structures. It is a thinwalled construction consisting of rich cement mortar with uniformly distributed and closely spaced layers of continuous and relatively small diameter mesh metallic or other suitable material. All components are purchased at mason supply stores. Some suppliers include all ingredients prepackaged, just add water, but these prevent tailoring mixes for your specific requirements. What links here related changes upload file special pages permanent link page. When dry, the whole is as sturdy and seaworthy as wood or steel. Explore 3 listings for ferro cement boats for sale uk at best prices. Johns book, the new way of life, encouraged countless numbers to throw off the shackles of working life, build a boat. Quality of ferrocement works are assured because the components are.
Ferrocement advantages and application of ferrocement. Boats made with ferro cement secondhand 23 ferro cement boats for sale. 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. Ferrocement boat building, the inverted wood mold method. The tensile strength of ferrocement is very high than conventional concrete. Feb 23, 2008 and probably more hartley ferro cement boats than all other ferroboat designers added together. Concrete ships are built of steel and ferrocement instead of more traditional materials, such as steel or wood. Ferro cement can be modified to resist even high temperatures, say 1200c to 1500c. There is nothing inherently wrong with the method for medium to heavy displacement boats, properly built they are long lasting, low maintainance boats that dont suffer from rot, rust, delams, wet cores, osmosis and the many other problems of most other methods, hell ferro cement ltd used a launch. This book presents the latest developments in research and application of the material. Although discontinuously used on the market, ferrocement is a contemporary material of reinforced concrete. For amateur construction using the standard hartley truss frame, method around 25ft is about the smallest that can be built smaller requires other methods. There are some excellent homebuilt ferro boats out there, but there are plenty of the other kind as well.
All boat plans for sale on this website have been designed by richard hartley, colin brookes and their associates. We had them lift the mizzen mast off the deck and take it down to the mast yard for refinishing and rigging. Ferrocement boat building manual volume 3 boat design net. Hartleys guide to boat building hartley boat plans. The company grew quickly and sold ferro cement boat plans to dreamers all over the world. In july of 2002 we were ready to start work on aquarius. I just found this great technique for making ferrocement roofs at steves flying concrete site. We had originaly hoped to limp her north under sail to work on her at a boat yard closer to our home, but decided she needed some basic work.
Hartley boats has the widest range of boat plans for sail boats, power boats, catamarans and trimarans, dinghys and small craft, canoes and kayaks, surfboards and surf skis, vintage power boats, self steering capabilities and trailers. Ferro cement except for wooden flooring inside the hulls, the boats are entirely of ferro cement, a process developed by prof. Boats made with ferro cement secondhand 24 ferro cement boats for sale. Abstract ferrocement is a composite material made up of cement mortar and reinforcement in the form of layer of mesh.
Ferrocement is a construction technology which can be used almost every where e. It is used for a wide range of application including construction of boats, water. 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. In ferro cement, cement matrix does not crack since cracking forces are taken over by wire mesh reinforcement immediately below the surface.
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. All cements are to be to bs 12 or equivalent local standard. She was built by a couple of friends who wanted a quick and cost effective way of sailing around the world, with great accommodation for all their friends. During the late 19th century, there were concrete river barges in europe, and during both. Get an email alert for new ads matching your search. It is used for a wide range of application including construction of boats, water tanks, slabs and. Ferrocement boats for disaster mitigation in coastal orissa. Find your ideal boat boat, compare prices and more.
Pdf ferrocement has the versatility that can be sculptured or shaped into numerous. The easy way to make ferrocement roof panels natural. She was built by a couple of friends who wanted a quick and cost. Ferrocement is a construction material consisting of wire meshes and cement mortar. The finished craft has some real advantages over conventionally constructed boats. Ferrocement or ferrocement is a system of construction using reinforced mortar or plaster lime. Restoring aquarius, our 55 ferro cement sailing ketch. In a ferrocement sailing boat, what is the risk of the. This page is for anyone who has an interest in ferro cement boats but particularly the designs of richard hartley. Incredibly, this boat was still afloat in 1949, that is to say a hundred years after it was constructed. Nov 10, 2017 in my opinion, the popularity of grp fiberglass boats is due to their near indestructible hulls.
According to, ferrocement is the cheapest and easiest form of construction for boats over 25 ft. Ferrocement 63 ketch in hampshire sailboats used 01101. The components of ferrocement are portland cement, sand, water and reinforcing steel, which is referred to as the armature. Both of these documents are intended to supplement the main instructions in aci 318. As the amount volume of steel required in ferro cement is more. According to shahs published works, the lambot was the first small boat made of ferrocement in 1849. Worlds largest concrete ship dismantled after 40 years on the riverbank. The mesh may be made of metallic or other suitable materials. Sep 29, 2015 page 1 of 2 repairing ferro cement hulls posted in ferrocement boat owners association. Since the steel is spread over the area, the ferro cement components are usually a homegenious in composition.
The first ferro builds took place in the early 1800s with many from the 1890s still around. If you add to the previous analysis the considerably increased difficulties of fitting. Ferro cement buildings are better pollution and fire resistant as compared to rcc. Compared to other cement concrete structures, those made of. Is it ever a good idea or is it a matter of manufacturer and current condition. Ferro indicates that the material is made up of iron.
Make ferrocement roof panels on the ground so you dont have to plaster overhead. Ferrocement start download portable document format pdf and ebooks. 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. 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. Steel rods and wire mesh are shaped into the form of a hull and plastered over with fresh cement. In the west, the main application for ferrocement has been for the construction of boat hulls, including racing yachts. A ferro hartley, around 38, pro built in nz, or built to specs wherever would suit me just fine. Is it ever a good idea or is it a matter of manufacturer and. Their hulls are massive, which is why theyve survived. What are the advantages and disadvantages of a concrete. Construction procedure is easy, quick and no skilled labours are.
Pier luigi nervi introduces ferro cement concept in 1942 when he. Ferrocement fc is a form of thinshell construction that uses standard. Pdf ferrocement is the oldest form of the reinforced concrete, dating back two. Secondhand ferro cement 63 ketch with ford 115hp desel engine, 18. The following 9 files are in this category, out of 9 total. The structures made with ferrocement are thin and lightweight. Ive started this thread to record what ive learnt about repairing ferro cement. Mortar provides the mass and wire mesh imparts tensile strength and ductility. Cemex uk sorryi know this is a nz forum make a cement called cemex rugby sulphate which is a. The lowcost technology is simple, durable, and reproducible. Hartley ferro cement boat owners association facebook. Ferro cement d iff e r s from reinforced concrete in making greater proportional use of steel over cement.
The cement is typically a very rich mix of cement and sand in a 3. When building ferrocement structures the sand cement mortar is applied to the reinforcing wire with a trowel, never poured like common concrete work. Ebook ferrocement as pdf download portable document format. Boats have been built in ferro cement from 10ft to 20,000 tons. 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. Generally, just enough water to obtain a sticky, plastic consistency. Oct 28, 2019 ferrocement tanks are used in many regions of the world as water storage tanks. It is a strong, versatile, lowcost, longlasting building material made from a wire reinforced mixture of sand, water, and cement. The 3,000 ton ship was abandoned shortly after its.
Before building the walls and roof of the tank, there must be a sturdy foundation in place. Grp boats are not maintenancefree, but pretty close. Some of the info seems to be out there but is sometimes is difficult to find 1. We had arranged to be the last haul out of the day and leave the boat hanging in the. Some special applications like sand molds may benefit from prior coating like wet slurries grout, also called neats cement or more rarely slip. It seems like i read an article about some guy in an old ferro cement sailboat who was attacked by pirates and he fired up the engine and rammed and sank the pirate boat. Three proportions of cementsand and water were selected based on the results of preliminary tests of wall panels for lowcost ferrocement housing. It takes around two weeks to reach this point if two people work on the boat full time. Ferrocement boat building manual volume 1 boat design net. 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. 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. Ferrocement water tank, ferrocement house, and ferrocement boat. Definition ferro cement is a type of thin wall reinforced concrete, commonly constructed of hydraulic cement mortar, reinforced with closely spaced layers of continuous and relatively small size wire mesh. I havent thought about ferro cement boats since the 1970s, when i was dreaming of building one.
Ferrocement tanks are used in many regions of the world as water storage tanks. Ferro cement wall panels hold a strong potential for energy and cost effective construction. Ferrocement is more widely used in asia and parts of the pacific. The major advantages of ferro cement are as following. Terry, youre correct in principle that ferro is a building material and should be able capable of being shaped into a boat. Delays were experienced once by a longshoremens strike but more frequently by shipping documents not conforming to bahamian. Explore 3 listings for ferro cement at best prices. Once the planking is in place, any depressions or bulges must be leveled. In my opinion, the popularity of grp fiberglass boats is due to their near indestructible hulls. Secondhand ferro cement 63 ketch in hampshire united kingdom.
If the cement is used with admixtures, care should be exercised in compatibility. Ferro cement sailing boat moored at summerland point, lake macquarie. How to build a boat out of ferrocement diy mother earth news. Back on the market due to time wasters no time wasters or daydreamers listing for rolling stone a 1976 built ferro cement ketch, currently ashore in lymington, hampshire uk uk registered. Ferro cement is a term commonly used to describe a steelandmortar composite material. Boats made with ferro cement second hand 24 ferro cement boats for sale. Ferro cement is a very good fire resistant material having capacity to resist fire up to 750c for long period of 48 hours and even more. They dont rot, rust, dissolve in the presence of water, be it fresh or salt.
Gilcraft ferro cement boats for sale in australia boatsales. How to build a ferrocement tank with pictures wikihow. The disasterous effects of grounding on reefs and rocks, of ferro cement keeled vessels infact a monocoque constructed hull of almost any material, which have not been constructed with integral floors, has been well in evidence over the last 50 years or so. Post jobs, find pros, and collaborate commissionfree in our professional marketplace. Pdf recent perspectives for ferrocement researchgate. The ferrocement motorboat, designed and built by pier luigi nervi with his son antonio, and donated to tor vergata university by his granddaughters irene, claudia and lucia, is probably the last existing example of the renown concrete boats designed and built by the engineer since 1944, with the aim of testing and developing the building technique. How to repair drywall and fix a large hole in the plaster wall the easy way duration. The advantage of ferrocement construction is that materials are cheap and readily available, while the disadvantages are that construction labor costs are high, as are operating costs. Applications of ferrocement in construction is vast due to the low self weight, lack of skilled workers, no need of framework etc. Technical data sheet of the secondhand sailboats for sale.
Given their size and precast production process, these. How ever, it is expected that with low labour costs in orissa, ferrocement boats would be viable even in smaller sizes. Page 1 of 2 repairing ferro cement hulls posted in ferrocement boat owners association. Since i havent heard of any companies using it these days i thought it might be an. 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 ferro cement boats but particularly the designs of. Build prototype timber country boat 12 feet using traditional artisans. Pier luigi nervi introduces ferro cement concept in 1942 when he observed that reinforcing concrete with layers of wire mesh produced a material possessing the mechanical characteristic of an approximately homogenous material. Repairing ferro cement hulls ferrocement boat owners. This site is devoted to the promotion of ferroboats as well as a base for all matters ferro in the boating world. The material used in ferrocement consists primarily of mortar made with portland cement, water and aggregate and the reinforcing mesh.379 376 1383 288 165 1526 1647 1072 961 1093 234 797 592 1285 672 149 1020 667 1398 1635 754 240 351 573 1345 1392 220 905 1319 515 497