Illustrated Custom Boatbuilding. We recommend that you read this hardcover book - Order now and we will pay the postage. You may email us regarding specific boat building questions and we fibfrglass be pleased to give you a prompt reply. In the meantime Please email me your comments on our site We have boa a 'cheap one-off mold' fiberglass boat building system booat is ideal for building larger powerboats. There are two main Ezi-Build methods - one where you build an inexpensive female mould and lay up the hull in Building Fiberglass Boat Plug Mac Building Fiberglass Boat Plug Mac that mould and another where you pre-make the hull panels and assemble them inside a simple frame mould.
First we will look at the female mould Building Fiberglass Boat Plug Mac method. With the current rise in the number of people interested in power boats and the acceptance of chine hulls in general, we decided to Building Fiberglass Boat Plug Mac simplify and streamline our original methods to make them suitable for one-off production by amateur and professional builders. When looking at these techniques, we were Building Fiberglass Boat Plug Mac Building Fiberglass Boat Plug Mac developing a new range of power boat designs using the latest CAD building fiberglass boat plug mac so plgu these designs did not involve difficult Building Fiberglass Boat Plug Mac curves but instead were easily assembled in simple building fiberglass boat plug mac moulds.
These new designs all reflected the ability of the computer to produce absolutely fair, developable hull surfaces suitable for turning flat sheets of fiberglass into attractive hulls.
Most of the original designs were directed towards steel or Building Fiberglass Boat Plug Mac aluminium building fiberglass boat plug mac the demand for similar fiberglass methods led us to develop computer lofted hulls with full developable surfaces and the result is the Ezi-Build technique. Remember, that you are making frames for a female mould. The frame flberglass will be building fiberglass boat plug mac Building Fiberglass Boat Plug Mac by using half inch [12mm] plywood gussets glued, nailed, screwed or stapled in place.
Screws are strongest but staples are quickest and most convenient. Make Building Fiberglass Boat Plug Mac sure you keep all the gusset materials clear of the inner edges of the timber frames. Later, you may need to trim these inner edges with a plane and nails or gussets will interfere with this process. Build the hull frames in a way that provides an outer framework to support Building Fiberglass Boat Plug Mac the whole mould structure details of which should be in your plan.
In designs under 32 feet [10 metres], the bottom of the support structure Building Fiberglass Boat Plug Mac Building Fiberglass Boat Plug Mac can be canted 45 degrees which will enable the whole structure to be tilted, side to side, for buildinv lamination. On larger hulls, it is advisable to hang scaffolding inside the hull structure to support planks for working.
For one-off boats, the relatively cheap Ezi-build mould, which is easy to disassemble, has eliminated much of the need buildkng the more compliCATAMARANed split mould and, for those of you who think that these methods present more work than is justified, compared to building a one-off hull over a male mould, let me assure you after building fiberglass boat plug mac sanded many Building Fiberglass Boat Plug Mac fibreglass hulls, I feel these methods are by far the best and fastest way to build a one off fibreglass power boat or multi chine sailboat hull.
A tip on setting up the frames � if the frames forward of frame 5 are set up with their forward face on Building Fiberglass Boat Plug Mac the station line and the frames aft of frame 5 are set up with their aft face on the station line, then most of the Building Mac Boat Fiberglass Plug bevelling and fairing will be avoided.
The battens can be fastened to the frames without any of the usual trimming and shaping. The best sequence Building Fiberglass Boat Plug Mac for installing ffiberglass frames is to set up the centre frame first, usually station 5. Make sure this frame building fiberglass boat plug mac truly vertical, Building Fiberglass Boat Plug Mac Building Fiberglass Boat Plug Mac Building Fiberglass Boat Plug Mac using a plumb-bob hung from the centre building fiberglass boat plug mac marked on the headstock. Brace this frame securely so it cannot move and use it as the reference point for setting up Fiberglass Panels For Boat Building For Sale the remainder of the frames.
When all the frames, stem, centre line board and transom centre Building Fiberglass Boat Plug Mac line board are in position and securely braced, then you can start to install the battens. Scarf the battens into full length pieces, the length Building Fiberglass Boat Plug Mac of the hull plus a few inches for trimming.
The batten building fiberglass boat plug mac may vary. You should have a stock of wider Mac Fiberglass Plug Building Boat boards of the correct thickness and then rip the battens to selected width depending on the requirements of your particular hull mav. Allow these battens and Building Fiberglass Boat Plug Mac the sheerline battens to run a few inches past the stern location.
Now you may install the transom section of the mould. Camber boards are half checked at right angles to and on to the transom centre line building fiberglass boat plug mac. Once the camber boards are in place, batten up the transom vertically. It is usually not necessary or advisable to nail the side and transom battens together, use plywood strips outside Building Fiberglass Boat Plug Mac the battens placed near the intersection of the side and transom battens to hold the battens fair.
Boag should have a fully developed and expanded Building Fiberglass Boat Plug Mac Building Fiberglass Boat Plug Mac Building Fiberglass Boat Plug Mac transom pattern in your boat plans. Using this pattern you may prefer to make up the transom as a separate unit and Building Your Own Fiberglass Boat Image serve it up to Plug Mac Building Fiberglass Boat Mac Boat Fiberglass Building Plug the mould in one piece. If you make the transom as a separate unit, it can be at least partially laid up away from the Building Fiberglass Boat Plug Mac Building Fiberglass Boat Plug Mac main mould.
This is required if you have a transom with a reverse panel, where the laminate would need to be laid up from beneath, Building Fiberglass Boat Plug Mac Building Fiberglass Boat Plug Mac a very building fiberglass boat plug mac, if not impossible operation. If you build the transom in place, then the transom pattern can be Building Fiberglass Boat Plug Mac used to cut the lining material. While you are installing the transom battens, you can install the battens on the sides and the bottom of the mould. Always install battens on alternate sides of the centre line, working progressively on both sides.
After all battens are in place, install building fiberglass Building Fiberglass Boat Plug Mac boat plug mac gussets or strips of one half inch [12mm] thick by four inches [mm] wide plywood, clench nailed on the outside of the Building Fiberglass Boat Plug Mac battens, one or two strips between each frame. The strips run from sheer to building fiberglass boat plug mac chine and from the chine to Building Fiberglass Boat Plug Mac the centre line. Building fiberglass boat plug mac strips will even out the battens and fair up one to the other, and greatly help in Building Fiberglass Boat Plug Mac fairing up your hull.
You will need two people to install these plywood strips. As you will be attaching building fiberglass boat plug mac mould Building Fiberglass Boat Plug Mac lining with contact cement rather than nails, you should make sure the battens are fair before you start to install the lining material.
This is how your mold will look in profile. You should use fibeeglass sixteenth inch [4 or 5mm] plywood or tempered hardboard or any other suitable sheeting fiberglazs. If Building Fiberglass Boat Plug Mac you use plywood it will need to be coated but be sure that the coating is compatible with the fiberglass � do a test.Building Fiberglass Boat Plug Mac
From this mzc onward work closely with your fibreglass materials supplier and take his advice on the correct wax and release agent to use on the mould. Nail only where absolutely necessary as the nail heads will show up in the finished fibedglass and can be difficult to.
By using the contact cement you will end with a clean inner surface of your mould. Carefully pre-fit each sheet before applying the cement and attaching it to the mould. It is not a building fiberglass boat plug mac job to install the lining providing you work with some care. Building fiberglass boat Building Fiberglass Boat Plug Mac plug mac the set up for the scaffold planks so that you can work inside the mold without walking over the fresh laminate material.
The Building Fiberglass Boat Plug Mac boat plans have much more detail than can be included. Also, radius any areas where you need to have rounded corners. For this job, you Building Fiberglass Boat Plug Mac msc use body filler or any other polyester based material that is compatible with llug fibreglass laminate you will be installing. If you have used hardboard to line your mould, you will now be ready to apply the wax as discussed earlier.
If your mould has some other lining material you Building Fiberglass Boat Plug Mac may have to use a PVC release-agent. You should talk to your material suppliers about the most suitable. We would recommend you use some form of gelcoat, either pigmented or clear. To start the laminating process, choose a day where pluv temperature is between 65 and 80 degrees F or Building Fiberglass Boat Plug Mac 18 to 26 degrees Celsius. Brush or spray the gelcoat on to the pluy surface where it should be applied at a thickness building fiberglass boat plug mac 0.
You can measure the thickness of the gel-coat by using a special gauge obtainable from your fibreglass supplier. Ideally, you should Building Fiberglass Boat Plug Mac Building Fiberglass Boat Plug Mac use a clear isothalic NPG gelcoat and back it up with a layer of surface tissue and vinyl ester resin. This is important so see your Building Fiberglass Boat Plug Mac resin supplier about getting the right materials if you want to be sure of increased resistance to water permeation and avoid any possibility of osmosis, at a later date.
You will need two or three helpers as you start to lay up the hull and it is advisable, for temperature Building Fiberglass Boat Plug Mac Building Fiberglass Boat Plug Mac Building Fiberglass Boat Plug Mac control, to be at the same stage of lamination each day with each successive layer. If the laminate overheats from applying too much material at one time, it may cause distortion and pre-release from the mould. Once the gelcoat and first layer of mat are in place you will have passed the building fiberglass boat plug mac critical stage of your laminating process.
Providing you follow some form of temperature plkg, you should go on to complete the laminate without any problems. As mentioned earlier, always finish your laminating at the same part of your hull each day.
Three willing workers Building Fiberglass Boat Plug Mac Building Fiberglass Boat Plug Mac can lay up a fifty foot [20 metres] hull in a few days. Two layers of fibreglass per day, one mat and one roving, is a reasonable amount to install at one go without causing the laminate to overheat. New resins are being formulated all the time so you must Building Fiberglass Boat Plug Mac Building Fiberglass Boat Plug Mac have the latest technical data and support from your materials supplier. The number of layers of mat and roving required will be shown in your Building Fiberglass Boat Plug Mac Building Fiberglass Boat Plug Mac boat plans.
After the layers that cover the whole hull surfaces are completed, you will most likely be required to install extra layers in the areas of the keel riberglass below the hull waterline. Most laminate schedules call for overlapping and or interleaving the various layers in the areas such as the chine and keel, boaf building up extra strength building fiberglass boat plug mac it is required. Again, we remind you to trim the sheerline Building Fiberglass Boat Plug One Off Fiberglass Boat Building Usa Mac Building Fiberglass Boat Plug Mac Building Fiberglass Boat Plug Mac of your hull each day. This will usually be done as work progresses and building fiberglass boat plug mac an hour after the final layer for the day has been installed.
Once you have installed the basic laminate building fiberglass boat plug mac any extra layers called for in your plan laminate schedule, you should add any stringers, sole shelf, deck shelf etc and any other building fiberglass boat plug mac members called for in your Building Fiberglass Boat Plug Mac boat plans. You should then install all the ribs, stringers, bulkheads and web floors before you remove the hull from the mould. After you have completed the installing of the stringers and ribs etc and if you do not plan to use the mould again, you may prefer to remove only the mould above the chine or water line, leaving the bottom section to act as a Fiberglass Boat Building Process Order cradle.
Using an easily constructed inexpensive female mold any builder with the minimum of effort can produce a boat hull with a professional finish. This Waverunner 65 has now been chartering in the Building Fiberglass Boat Plug Mac Building Fiberglass Boat Plug Mac Building Fiberglass Boat Plug Mac Greek Islands for several years In either case, the best method to install the core is to use Vacuum bagging techniques that are described elsewhere in Building Fiberglass Boat Plug Mac this book although the core can be installed manually.
If you intend building a sandwich hull, please read the chapters on one off building, where Building Fiberglass Boat Plug Mac you may pick up a few ideas on the handling of core materials. The main advantage of using this technique is that a full mould is not required. You will retain the advantage that a minimum of building fiberglass boat plug mac is required for the outer surface of your Building Plug Boat Mac Fiberglass hull. Very little filling and sanding will be needed to achieve an excellent professional standard of finish.
For panel construction, the system of building the Building Fiberglass Boat Plug Mac female frames and setting them up on a set buillding bedlogs, is similar to the methods used when building building fiberglass boat plug mac Ezi-build mould. Only Building Fiberglass Boat Plug Mac a few battens are required to hold the frames square and vertical. The technique of setting up the basic framework to hold the fibreglass Plug Mac Boat Fiberglass Building panels is similar to the first stages of building the Ezi-build mould.
The fewer battens required and the absence of a mould lining material, are Building Fiberglass Boat Plug Mac Building Fiberglass Boat Plug Mac the main differences between the Ezi-build and the Panel methods. Additional bracing is used on the outside of the frame assembly and once the frames and the few battens are installed, the mould is ready for the fibreglass panels.
The success of the Panel method depends upon the builder obtaining Building Fiberglass Boat Plug Mac Building Fiberglass Boat Plug Mac accurate information such as computer generated full size patterns for the frames and either patterns or computer lofted offsets for the panels. See the way that Building Fiberglass Boat Plug Mac frames are erected to receive the pre-laminated panels.
The boat plans have considerable detail on setting up the building frames .
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