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Sailboat Specifications

Platu 25

Fractional Sloop · Fin Keel W/Bulb

Designed by Bruce Farr · Built by Mcdell Marine (Nz) · First built 1996

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LOA 24.70 ft  ·  Beam 8.60 ft  ·  Displacement 2,687.00 lb  ·  Sail Area 312.00 ft²  ·  Fractional Sloop  ·  Fin Keel W/Bulb
About the Platu 25 Sailboat

Designed by renowned naval architect Bruce Farr and first launched in 1996, this 25-foot keelboat has established itself as a premier one-design racing platform with impressive versatility. Built by Mcdell Marine in New Zealand, the Platu 25 combines modern hull design with proven construction techniques to deliver exceptional performance both on the racecourse and for spirited day sailing. The boat's fin keel with bulb configuration and substantial ballast-to-displacement ratio create excellent stability and upwind performance, while the fractional sloop rig provides balanced sail handling characteristics. With a sail area to displacement ratio of 25.89, this design offers spirited acceleration and responsive handling that rewards skilled crew work. The relatively light displacement of 2,687 pounds contributes to quick acceleration in light air. Originally developed for competitive one-design racing, the Platu 25 has gained international recognition with active fleets worldwide. The boat excels in tactical inshore racing where its responsive handling and standardized specifications ensure close competition. While primarily suited for day sailing and racing rather than extended cruising, the design's seaworthiness makes it capable of coastal sailing in experienced hands. The low comfort ratio of 10.31 reflects its performance-oriented nature rather than cruising accommodations.

Dimensions & Specifications
LOA (Length Overall) 24.70 ft / 7.53 m
LWL (Waterline Length) 22.17 ft / 6.76 m
Beam 8.60 ft / 2.62 m
Max Draft 5.17 ft / 1.58 m
Displacement 2,687.00 lb / 1,219 kg
Ballast 1,124.00 lb / 510 kg
Ballast Type Iron
Sail Area (Reported) 312.00 ft² / 28.99 m²
Design & Construction
Hull Type Fin Keel w/bulb
Rigging Type Fractional Sloop
Construction FG
Designer Bruce Farr
Builder McDell Marine (NZ)
First Built 1996
Associations Platu 25 Class (International)
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Frequently Asked Questions

What is the Platu 25's sail area to displacement ratio?

The Platu 25 has a Sail Area to Displacement ratio (SA/D) of 25.89. Values between 14–18 are typical cruising sailboats; 18–22 is cruiser/racer; over 22 is performance racing.

What is the Platu 25's comfort ratio?

The Platu 25 has a Ted Brewer Comfort Ratio of 10.31. A ratio over 30 indicates good offshore comfort; over 40 is very comfortable offshore.

Is the Platu 25 safe for offshore sailing?

The Platu 25 has a Capsize Screening Formula value of 2.48. Values under 2.0 are considered acceptable for offshore sailing; under 1.8 is ideal.

What is the hull speed of the Platu 25?

The theoretical hull speed of the Platu 25 is 6.31 kn knots, calculated from its waterline length.

How much does a Platu 25 weigh?

The Platu 25 has a displacement of 2,687.00 lb and a length overall (LOA) of 24.70 ft.

Who designed the Platu 25?

The Platu 25 was designed by Bruce Farr, first built in 1996.