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DUO 480C "jigsaw" Plans

LOA:
15' 9" / 4.8m
SKU:
BK-DUO480C-ID
Availability:
Download after check out
$120.00

Description

DUO 480C under construction in New Zealand

 

This design cost me more time than I thought it would, but the result is precisely what I wanted: an easy to built boat with a lot of possibilities for the weekend sailor.

With its beam of only 2,30m (7 feet, 8 inches) it is easy to trailer. It is quick to rig - the light windsurfer masts with their extensions are set in minutes.

She is a fast sailor which can handle a lot of wind through the low center of pressure of the parallel biplane rig. The sails are furled around the masts for easy handling. The roller/sails can be handled from the cockpit.

side view batwing version

The DUO480 has a small cabin for gear and a toilet. With some provisions, two persons can sleep on the boat. The big cockpit suits either exciting or lazy days on the water. There is a long version option with a double bunk in the cabin. Best of all, you will not be broke on launch day.

The boat is easy to build. An average amateur can built this boat in around 300 hours. We use the time proven matched hole technique adapted from aluminum aircraft construction. No strong back is needed as the asymmetrical hulls are self aligning.

Like all my other designs the proven plywood/glass/Epoxy system is used.

A lot of hardware can be built to save money, for example, the plans show how to build your own gudgeons, sail rollers, booms and boom rotator.

Numerous drawings and an almost step by step set of instructions will give the builder the confidence to successful build this boat.

 

See Brian Cox's Duo 480 blog from New Zealand:

 

A pocket cruising, sailing catamaran.
Only 2,3m or 2,4m beam. Easy for road transport.
Sleeps up to four.
Easy to build and affordable.
Plans show two different rigs.
 
Specifications
L.o.a. - 4.80 m
Beam - 2.30 m
Beam c/c - 2.06 m
Empty weight - 180 kg
Weight max. CWL - 450 kg
Sails - 2 x 8 m²
L/B ratio hulls - 1 : 13,55
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Additional Information

Measurement:
Metric
Designer Name:
Bernd Kohler
Sail area (Imperial / Metric):
172sf / 16sm
Rig Type:
Biplane
Keel Type:
Daggerboard
Rudder:
Kick-up
Length (range):
8' - 15'11"' / 2.44m - 4.85m
LOA:
15' 9" / 4.8m
Length at Waterline:
15' 9" / 4.8m
Beam:
7' 6-1/2" / 2.3m
Hull Weight:
200 - 999 lbs / 90.72 - 453.14kg
Estimated Hull Weight:
397lbs / 180kg
Draft:
12" - 35" / 30.48 - 91.23cm
Unloaded Draft:
1' / 30cm
Weight Capacity:
595lbs / 270kg
Primary Material:
Marine Plywood
Method of Construction:
Stitch and Glue
Hull:
Multihull
Hull Type:
Planing
Hull Shape:
Flat bottom
Cabin:
Cabin
Power Source:
Wind
Built-in Floatation:
Yes
Trailerable:
Yes
Cartop:
No
Unit of Measure:
Metric
Instruction Manual:
Step-by-Step Instructions
Lofting Required:
No
Recommended Experience Level:
Intermediate
Designer's Thoughts on Experience Level:
Chuck Leinweber's suggestion
Boat Type:
Sailboat
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