farrier f 39 trimaran

Fram's Building and Sailing Pages

Fram, my f-39 trimaran.

Hello and thank you for showing interest in my web site.

As a result of a lifetime in keelboats, it became high time for a new challenge; sailing and racing a fast ocean going trimaran. This website is dedicated to the building of this boat, the Ian Farrier designed F-39 trimaran.

In my view, challenges - and dreams - keep people going. It doesn't matter if it is about the house with a white picket fence, a fast sports car in the garage or other goals one is going for. In my leisure time it is a 39 foot trimaran moored dockside, and a yearning for new adventures.

Building myself

There are more good reasons to buy a new and ready-to-go-yacht, or a custom made or second hand boat, than taking up the challenge and build the boat from scratch yourself. One of the good reasons to do it yourself is when you know you will maintain the best possible quality. One of the bad reasons is money. It is an aspect indeed, but in reality it is cheaper to buy a used boat.

On the other hand, such a building project is a tremendous source of energy and motivation, and the satisfaction of finishing such a project with a high tech yacht as result is glorious. I did it before, but smaller and a long time ago, and I liked it. Read the FAQ-section of this site for more reflections about this subject.

Nowhere does the romance of boat building stray farther from the reality of boat building than it does in a fiberglass boat. I had only woodworking capabilities and my affecting with composite structures was almost none. While my quality demands are high, I did not look forward to laminate large surfaces with relative thin layers of a sticky mix of glass and epoxy. When I studied the various building methods, I found out that vacuum bagging was a method to improve the quality of the hand-lay-up laminate. But the problem with vacuum bagging large components (like a boat hull) is how to do this within the gel time of the resin. And then there are nasty health aspects, as epoxy is not a human friendly material. The idea of a large wet layup done by hand with a squeegee just freaks me out.

Vacuum Resin Infusion

The general acceptance of vacuum infusion in the professional building scene has been slow, among other aspects also because of the supposed risks involved. This is correct when applied as a trial and error based method. These days you can see new yards adopting the technique rapidly, while "settled" building yards are waiting to see which way the cat is going to jump. Nevertheless, vacuum resin infusion continues to be the hot topic in boatbuilding today, and while many builders have already switched to it very successfully, many more are still weighing up the pros and cons of such a bold change of practice.

Virtual boatbuilding

It became possible to use the infusion technique by me as part-time and one-off builder. There are more builders who were experimenting with infusion techniques, but in that time nobody wass injecting complete hulls, in- and outside, without a mould and direct to the foam core. For me this became possible by the planking method of vertical foam stripping, where the lengths of joins is minimized to an amount which is not too difficult to make airtight. But the main reason why I am able to do this is the use of Virtual Boatbuilding, responsible for the word "Controlled" in the term Controlled Vacuum Infusion. Flow simulation software makes it possible to eliminate the guesswork and to resolve the errors in the flow process first in de computer before doing the real infusion in the hull. Read more in the workshop section of this site.

DIY Starter Kit and CD

The construction of my project is finished so that I no longer have materials available to supply the starters kit. That is why I decided to discontinue the availability of the Vacuum Infusion Starter Kit.

Learn more .

Full Instruction Package now available

I've had great success with the vacuum infusion of my F-39 Trimaran. It has resulted in a high quality lightweight boat on which I'm very proud. As the quality of my infusion strategy has now been well proven for the professional as well as the amateur builder, now is the time to make my thoroughly thought out infusion plans available for other interested builders.

Among other things this site was created for following this building project, in particular for family and friends, but also in a hope that others may be inspired to transform dreams into plans. I like this way of sharing my experience, which has resulted in this now very popular website and a lot of contacts and feedback from others. That's nice and very motivating! Taking photo's and writing up of what I was doing turned out to be invaluable and because of that is motivating in its own right.

I will be adding to this site periodically. Be patient though. It is a part-time project and I work in spurts and bursts, not steadily. So don't expect daily updates. There are still too many deadlines in my humble life and I don't stand in need of creating more. I will bring this website up to date with the latest developments, when time permits. Please come back and visit again. Don't forget to click the REFRESH button on your browser to get the latest upload (all pages!).

Website compatibility

My "old" website, written with MS Frontpage and without style sheets, has lasted more than 15 years but was therefore also very outdated. But at least it appeared in all versions of Internet Explorer the way I had intended.

Sorry for that. It helps making your screen not smaller than 1000px.

Other browsers should pose no problem.

On the other hand, although not designed specifically for mobile users, I have now made fram.nl responsive to different screen widths and should therefore be easily readable on tablets and smartphones.

Please, if you encounter any problems, let me know.

English is not my mothers language and writing the correct things I want to share with you is time consuming. I do my best to do it right, but cannot anticipate on mistakes in grammatical and vocabulary. I hope you don't mind! (please give me a hint when it is extremely wrong).

This site have many interesting areas to explore, so please enter the menu items in the top of this page to guide you through the site. They bring you to the building project and other pages. The left side of most pages are provided with a table of contents which are also short cuts to the relevant subjects. I have include some pages about my previous yachts and some sailing stories. The "About" menu might be of interest to understand the meaning of all this. Most graphics and photos are links and you can either magnify the image by clicking on it or the click will bring you to an extensive image gallery. With the home-link you always return to this page. For some more entertaining take a break with this nautical humor page.

Besides using the menu at the top of each page you can also give yourself a complete tour by following the "next" button at the bottom of each page.

With the sitemap you can get a quick overview over the entire Fram website. I appreciate your comments in my guestbook .

Another way of exploring my project is through my Blog where you can search by subject in categories or tags or take a chronological sequence through the archives. I use the Blog especially for the topicality and announcement of new content and updates

Some subjects are also extensively covered on the Dutch Sailors Forum .

Feel free to drop me a line if you have specific questions.

Henny van Oortmarssen

This website is always under construction !

Please be warned! If anything on this web site appears to be a recommendation on how to build a boat it is an error of writing or editing. This site is my builder's documentation to chronicle the adventure I had in building Fram.

The Internet is such a lovely open source. Remember this when you see something in this website what you think is yours. If I didn’t ask you before then there was no copyright and I borrowed it. If you think I made a mistake in this, I will give it back to you. If you think I forgot to mention my sources, please let me know. However, everything on this site is mine and no part of this may be reproduced in any form without permission in writing by me. As you may have noticed, this site is a labor of love with lots of free information that has been assembled for your entertainment. Please respect the spirit of this site and don't engage in behavior that I consider hostile.  

All information is composed with care and consideration using my background and personal experiences. You may disagree with my opinions or, better, let them support you in your own dreams. You are free to do the same things or to use the procedures, practices or methods as described in this site, but you should always use your own common sense when applying this information to your personal projects and you do this on your own risk for which I am not responsible. I do not warrant or make any representations regarding the use or the results of the materials, practices or methods on this site or linked sites in terms of their correctness, accuracy, reliability, or otherwise. The only thing I can promise you is that I have or will have enough confidence in the info supplied that I already have or will use it in my own project.

While you and I might consider some of the images on this site quite pretty, please respect copyright and do not enhance your site by hotlinking to images on mine. Hotlinking does not only violate my copyright, it also makes me pay for the delivery.

If anything I do or say happens to offend you, that is unfortunate, you are free to go elsewhere.

I explicitly disclaim any responsibility for the accuracy, content, or availability of information found on this site and sites that link to or from this site or that this site or sites that link to or from this site are free of viruses or other harmful components. 

I am not affiliated with the manufacturers or resellers of products featured on this site in any other way than perhaps being a customer. Furthermore, since I'm not charging you anything for the use of this site, you're going to be the one assuming the risk of anything and everything you do as a result of reading content here.

Believe it or not, I do get a lot of mail. It may take a few days or longer to answer, as time allows. However, I do attempt to answer all e-mails.

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Farrier Marine

Ian Farrier pioneered the modern trailerable trimaran with the unique patented Farrier Folding System™, and then popularized them with his well known F-27 design. There are now well over 3000 Farrier designed multihulls sailing world wide, and all are designed to be safe, practical, family cruising multihull yachts that offer a unique combination of room and high performance. Trailer to sailing in Minutes- Range : F-22 , F-82, F-32, F-36, F-39, F-44 SC

Technical Specs of boats from this builder

Farrier F 22

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F-22 Trimaran

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The next Trimaran Sailing Clinic hosted by Windcraft will be at the Fort Walton Yacht Club in the Florida Panhandle May 5-7, 2017. However we are completely fully booked up for that clinic. The next one with spaces available will be the weekend of October 14-15. In our clinics 16 students will see their sailing skills improve dramatically over the two days of the course which is taught by world class multihull sailor and coach Randy Smyth. Students of all levels are introduced to Randy’s highly effective techniques for optimizing sail trim, and learn how best to hoist, jibe and douse a spinnaker, as well as how to tack a screacher upwind. Call or email us  for more information.

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39′ Farrier F-39

• Boat Name: Screech
• Current Price: US$ 195,000
• Located in Punta Gorda, FL
• Hull Material: Composite
• Engine/Fuel Type:
• YW# 62349-3167683

This stunning Farrier F-39 trimaran was lovingly built by Bay Boats. The design began as an F-36 but was stretched with the designer Ian Farrier’s assistance and approval. The aft sections were extended to make the boat 39 ft 11 in overall. This increased the length of the aft cabin, enabling the incorporation of  a large king size berth and improving the water exit at the transom for reduced drag. Other enhancements include offset companion way to the aft cabin, a “hammerhead” anchor platform at the bow providing good working area for anchor deployment, a layer of Kevlar applied to the entire belly of the boat for increased strength and abrasion resistance, and a dagger rudder system to retain steering control in shallow water.

Screech is a very fast, comfortable, stable, extensively equipped cruising multihull. She has 6 foot 3 inch headroom throughout. Screech has cruised extensively in Florida and the Bahamas.  She is a single owner boat and has been constantly upgraded and maintained with many recent improvements.

Copyright© 2007 by Donald Wigston. All rights reserved.

Farrier International

a Division of Daedalus

The New F-33

The 2015 F-33 is a new design by Ian Farrier, having evolved from the F-32 , and replaces the original 2004 F-33 . It is available in several formats, the F-33 , F-33X (with wider center hull), or the more race orientated F-33R and F-33RX, plus all carbon versions, the F-33RC and F-33RXC . Both aft cabin and aft cockpit versions are also currently available.

The new F-33 is a truly modern ‘state of the art’ design, and incorporates the latest third generation Farrier Folding System ™. The third generation beams have no intrusion into the main cabin, and eliminate the awkward beam pockets in the cabin sides. Floats are as large as they can be for such a folding trimaran, with extra buoyancy having been designed in forward and low down for the maximum sail carrying power.

The standard F-33 offers more room than any other equivalent legally trailerable folding trimaran, due to efficient design, plus heavy and space robbing interior liners are not used , which also makes the F-33 the lightest available production boat of its type. The extra wide maxi F-33X is even larger again, and is easily the roomiest and most seaworthy folding trimaran in its class.

The new F-33 series has one major advantage over the original F-33, this being the availability of the narrower 2.6m (8′ 6″) F-33 version which is the largest legally trailerable trimaran available, with no permit required for US roads. The wider F-33X will require a permit to be trailered, but it has much more room and a higher load carrying capacity.

The new F-33 series has been designed with a limited ocean going capability in mind, and best of all they are true Farrier designs, so reliability is ensured.

A ‘kick back’ centerboard option is available for the new F-33 design series. This will give a ‘roomier feel’ to the main cabin, and a much larger cabin table (can easily seat 6) is now possible. The settee seatbacks can also be dropped in between settees to form a very spacious main cabin double.

The other major advantage is the ability for the board to ‘kick back’ should one run aground, and this can be a very useful safety feature in shallower waters. Board is a higher aspect foil than the standard daggerboard, so it will be slightly more effective. This will help make up for the extra slot drag associated with a centerboard case, and overall performance should be similar.

Note that ‘kick up’ centerboards are more complicated than a daggerboard, so more maintenance may be required. However, the configuration used has been very well developed and tested, and should be virtually trouble free.

The current F-33X interior quality and room can be seen in the following photos:

THIRD GENERATION FARRIER BEAMS AND FOLDING SYSTEM:

The latest F-33 beams have been designed to trap and deflect any spray downwards to eliminate or reduce spray at high speeds, while the beam folding strut anchors are internal which eliminates multiple metal brackets and bolts. This reduces windage, weight and complexity, while folding struts are now set higher, keeping them further away from wave tops. The above drawing also clearly shows the difference between the F-33 and F-33X .

Beams are more streamlined while also being slimmer and higher at outer ends for less drag. The inner beam end to main hull connections are now fully external, for easier setup and maintenance, and this also gives a lower trailering height with less windage on the road for more economical towing.

Models Defined:

F-33 – the standard version, legally trailerable in the USA without permit

F-33X – a wider, roomier maxi version, that will require a permit for trailering, the ‘X’ standing for extra room. The best choice for ocean work with a greater load carrying capacity, and a wider overall beam.

F-33R & F-33RX – more sporty racing versions for experienced sailors, with a taller rig, the ‘R’ standing for Race. Add ‘C’ at end for the all carbon version

F-33SR & F-33SRX – new highly powered super racing versions for experienced sailors only, with the very tall SR rig, the ‘SR’ standing for Super Race. Has a 50′ (15.24m) carbon mast, and all carbon construction is optional. Profile drawing below.

F-33 Specifications L.O.A………………………………. 33′ (10.06m) B.O.A………………………………. 23′ 2″ (7.05m) …. F-33X – 23′ 10″ (7.25m) L.W.L………………………………. 32′ 4″ (9.85m) F-33 Folded beam………………. 8′ 6″ (2.58m) F-33X Folded beam……………. 9′ 6″ (2.9m) Approx. bare weight …………… 2800 – 3700lbs (1270 – 1680kg) depending on model Load Carrying Capacity ……… 2600lbs to 3000lbs (1180 – 1360kg) depending on model & weight F-33 rotating mast ……………….44′ 7″ (13.6m) aluminum or carbon mast F-33 sail area (main & jib)…… 654sq.ft (60.5sq.m.) F-33R rotating mast …………….47′ 3″ (14.4m) – carbon mast F-33R sail area……………………702sq.ft (64.9sq.m.) Stability …………………………….56,900ft.lbs …. F-33X – 58,400ft.lbs Draft (board up)…………………. 1′ 5″ (0.42m) Draft (d/board down)………….. 6′ 4″ (1.93m) Draft (centerboard down)…….. 6′ 2″ (1.88m) Aft Cabin Cockpit length………4′ 10″ (1.46m) Aft Cockpit length……………….7′ 7″ (2.3m) Interior Headroom ……………….6′ 2 to 6′ 4″ (1.88 – 1.93m) depending on interior layout Auxiliary…………………………… Outboard or Inboard optional Bunks can be a minimum of 6′ 6″ (2m) long or longer if required. All specifications may be subject to change

As with the original F-33, the new F-33 is expected to have a very high resale value, due to the high quality construction, and the design reputation. The last original F-33 sold did so within 10 days of going on the market, and the price paid for what was a 7 year old boat was near what it cost new. Such value means the F-33 will be a very low cost boat to own as was the case with the original F-27, which has been the resale value leader for many years.

The New F-33SR

A new addition to the F-33 range is the F-33SR or F-33SRX. These are ultra high performance versions of the F-33 and will replace the F-32SR, but with more interior room.

There will be both glass and carbon options, the all carbon version being called the F-33SRC or F-33SRXC, and lifting foils will be optional.

More Interior Options:

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