W22 Sailing Trimaran


For more descriptive information on the W22, CLICK on one of the links below…

Design Characteristics of the new W22
Background on W22 Design (book article)
Latest on the W22 — January News
April 1, 2011

Study Profile of the W22 Sailing Trimaran

With the development of the W17 and other projects taking much of my time, the W22 has been delayed more than I had hoped, but I'm finally making progress. As mentioned in earlier bulletins, the W22 is designed to fall in the slot between the totally open cockpit boat (like the W17 and M23) and the full cabin boats (such as the L7, F22, Scarab 22, etc.). By selecting this niche, the boat will offer more cockpit space than the cabin boats, yet still have overnight accommodation under a closeable cuddy, with the option of fully enclosing the large cockpit with a tent for dining inside under full protection, for family and friends. By keeping the boat interior as simple as possible and (initially at least) using a proven and easy-to-use demountable system for the amas, the boat can be as light as boats of more complex hi-tech construction, and be less expensive, easier to build, and with potentially even better performance. As for all my designs, this boat will offer above average comfort, performance and dryness and is created to give an excellent return-on-investment. The relatively simple construction system has some unique twists, and combines the best of two worlds with a rounded underwater section and spray-deflecting knuckle, with fast-to-assemble plywood panels for the topside, all sheathed for long life. All the stations and bulkheads will be available on *.dxf files for printing out full size or CNC cutting and ply panels will have developed offsets for easy fitting.

As I said for the W17, many sailors are intrigued or already bitten by the multihull bug, but not everyone is ready to put thousands of hours into building, or dollars into buying boats now on the market. So for those looking for something really neat looking that will really perform in all conditions AND also be affordable, then the W22 could well be your answer. Below are her specs. and outlines.

As with all my designs, I am personally looking for "Overall Performance" and by that I mean a blend of attributes that makes my boats a real pleasure to own and sail. First of all, I want them 'to feel right' and perform efficiently. I also want them cost effective, comfortable and drier than their competitors, and finally, provide the deep sailing satisfaction that brings the owner home with a big smile.

There is something extremely satisfying about building your own boat as many in the past have learned. But there are not many new designs out there that still use familiar materials like strip cedar and marine plywood that are available almost the world over. Its combination with epoxy and glass now goes a long way to prolonging its life too, if used as recommended. As for the W17, the W22 is designed with an optional rotating wingmast in mind; one that can be homebuilt from plans available to those who submit photo proof that their W22 is under construction.

With space for 4–5 to daysail or for enjoying some fast sailing for 2–3, this boat will change the way you think about sailing for ever. She is unapologetically based on my 16 years of experience with 'Magic Hempel' and even though I'd already sailed for 45 years when I bought her, that boat changed my sailing life in a major way and went on to inspire the W22 even after she was sold.

CLICK HERE to download and save or print this Study Profile in PDF-format.

Displacement at DWL: 1900 lbs
Buoyancy of Ama: 1700 lbs
Estimated weight: 1200 lbs (545 kg)
Estimated construction time: 800 hrs
Estimated cost of materials: $13,000–$16,000
    depending on source and quality
Designed by: mike waters n.a.
LOA: 6.74 m (22'-1")
LWL: 6.7 m (22'-0")
Beam sailing: 5.49 m (18'-0")
Beam folded: <2.25 m (7'-4")
Main: 20.4 m² (220 ft²)
Jib: 10.2 m² (110 ft²)
Total upwind: 30.7 m² (330 ft²)
Reacher/drifter: 20.4 m² (220 ft²)
Spinnaker: 30 m² (320 ft²)
W22 Sail Plan


W22 view

W22 view

W22 view
The molded, lower part of the main hull will be built on a simple building frame, using computer-generated faired sections and cedar strips, all epoxy sheathed.

Description   Quantity (main items only)
Plywood 4' x 8' (1.22 m x 2.44 m) x 6 mm   22 sheets
Strip Cedar ¾" × 38"   2200 lineal ft
Plywood 4' x 8' (1.22 m x 2.44 m) x 4 mm   5 sheets
Spruce/Pine/Cedar (stringers)   60 bd-ft (0.3 m³)
Hardwood - mahogany   10 bd-ft (0.03 m³)
Epoxy resin & hardener, fillers   10 gallons - depending on sheathing
Fibreglass cloth (6-oz)   200 sq-yd - depending on sheathing
Fibreglass - 45/45 Bias and Unidirectional cloth    200 sq-yd
Paint - Varnish to finish   6 gallons

W22 - 01 Sail Plan
W22 - 02 Profile Views
W22 - 03 Sections
W22 - 04 Side ply offsets
W22 - 05 CB case & forebeam boxes

Outfitting plans may be added later if required.
Revised: June 2013

Study Profile
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