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Coral Sea 35 Catamaran - Mike Waller Yacht Design
Designed by Mike Waller
The Coral Sea 35 is built in plywood and fiberglass, to produce a sound and comfortable coastal cruising yacht.
Plywood construction is employed throughout for low cost and ease of construction.
She features seperate hulls joined by cross beams, with a center cockpit.
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Coral Sea 35 catamaran - Profile drawing
Coral Sea 35 Catamaran - plan drawing
L.O.A. 10.72 Mtrs
L.W.L. 9.84 Mtrs
Beam 6.32 Mtrs
Draft .780 Mtrs
Displacement 3600 Kg
Weight (Light Boat) 2600 Kg
Sail Area 56.80 Squ Mtrs
Payload (Standard) 1000 Kg
Payload (Maximum) 2000 Kg
Fresh Water 320 Ltrs
Note# All displacement and payload weights above are as per designed plan, and cannot be guaranteed.
Study Plans
$25.00 Aud
Full Plans
$800.00 Aud
L.O.A. 9.20 Mtrs
L.W.L. 8.24 Mtrs
Beam 5.70 Mtrs
Draft .875 Mtrs
Displacement 3500 Kg
Weight (Light Boat) 2950 Kg
Hull Beam / LWL Ratio 9:1
Sail Area 50.26 Squ Mtrs
Payload (Standard) 550 Kg
Payload (Maximum) 1100 Kg
Fresh Water 240 Ltrs
Note# All displacement and payload weights above are as per designed plan, and cannot be guaranteed.
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The CORAL SEA 35 CATAMARAN is designed specifically for the builder who wants the maximum boat for minimum cost and building time. To this end the vessel features seperate hulls connected by solidly mounted cross beams, and a simple, easily built, trunkated 'V' hull shape. The trunkated 'V' is as simple to build as the straight 'V', but has better sailing characteristics, such as less wetted surface, better tacking etc.

The Coral Sea 35 is designed for safe, comfortable family cruising, with bunks for 4 in separate cabins, and room for 4 more on the dinette and settee in an emergency. It also has a large and functional toilet / shower area, room for a  chart table, and a huge cockpit for socializing. There is excellent headroom with over 2 metres in the working hull areas, and good sitting headroom in the sitting / sleeping areas.

For simplicity and ease of construction the hulls consist of a plywood shell wrapped around a framework of plywood bulkheads and timber stringers. This is still the easiest way to construct a timber boat, and when combined with timber / epoxy construction, is a very cost effective way to build a sound vessel.

The rig is a simple but efficient; sloop, with a large sail area for light weather cruising, easily reefed in heavier winds. The rigid beams allow the vessel to carry an efficent rig which can stand up to the weather. The rigging is as simple as possible, and is based on the KISS principle.

Auxiliary power is from an outboard in a separate pod beneath the cockpit. The vessel features small stubb keels for cruising simplicity, and efficient transom hung rudders for positive helm control. Steering as designed is by tiller, however wheel steering can be installed as an alternative. The Coral Sea 35 is an easily constructed vessel capable of providing it's owners with years of comfortable and fun cruising, or ocean voyaging.

Since first launching, the CS35 has proven to be a safe and seaworthy vessel, sailing well in all conditions, and with a very good motion, displaying less 'hobby horsing' than one normally expects from the polynesian style of cat. She also points well for this type of boat, due to the mini keels and efficient rig. All round, she is a safe and seaworthy world cruising yacht for the budget minded.
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