The Najad 460 Sailboat
Specs & Key Performance Indicators
The Najad 460, a centre-cockpit cutter, was designed by Judel & Vrolijk and built in Sweden by Najad Yachts.
The Najad 490
Published Specification for the Najad 460
Underwater Configuration: Bulb fin keel & spade rudder
Hull Material: GRP (Fibreglass)
Length Overall: 45'9" (14.0m)
Waterline Length: 39'0" (11.9m)
Beam: 14'0" (4.3m)
Draft: 7'0" (2.2m)
Rig Type: Cutter
Displacement: 34,171lb (15,500kg)
Designer: Judel & Vrolijk
Builder: Najad Yachts (Sweden)
Year First Built: 2000
Owners Association: Najad Owners
Published Design Ratios for the Najad 460
1. Sail Area/Displacement Ratio: 16.3
- Less than 16 would be considered under-powered;
- 16 to 20 would indicate reasonably good performance;
- Over 20 suggests relatively high performance.
2. Ballast/Displacement Ratio: 34.8
- Under 40: less stiff, less powerful
- Over 40: stiffer, more powerful
3. Displacement/Length Ratio: 258
- Under 100: Ultralight
- 100 to 200: Light
- 200 to 275: Moderate
- 275 to 350: Heavy
- Over 350: Ultraheavy
4. Comfort Ratio: 38.2
- Under 20 indicates a lightweight racing boat
- 20 to 30 indicates a coastal cruiser
- 30 to 40 indicates a moderate offshore cruising boat
- 40 to 50 indicates a heavy offshore boat
- Over 50 indicates an extremely heavy offshore boat
5. Capsize Screening Formula: 1.7
- Under 2.0 (the lower the better): Better suited for ocean passages
- Over 2.0: Less suited for ocean passages
read more about these Key Performance Indicators...
Summary Analysis of the Design Ratios for the Najad 460
1. A Sail Area/Displacement Ratio of 16.3 suggests that the Najad 460 will, in the right conditions, approach her maximum hull speed readily and satisfy the sailing performance expectations of most cruising sailors.
2. A Ballast/Displacement Ratio of 34.8 would usually mean that the Najad 460 would have a tendency to heel excessively in a gust, and need to be reefed early to keep her sailing upright in a moderate breeze.
However, as she has much of her ballast concentrated in a bulb at the foot of the keel, she's likely to be considerably stiffer than her published Ballast/Displacement Ratio might suggest.
3. A Displacement/Length Ratio of 258, tells us the Najad 460 is a moderate displacement cruiser, which means she'll carry all your cruising gear without it having a dramatic effect on her performance. Most of today's sailboats intended for offshore cruising fall into this displacement category.
4. Ted Brewer's Comfort Ratio of 38.2 suggests that crew comfort of a Najad 460 in a seaway is similar to what you would associate with the motion of a moderate bluewater cruising boat - a predictable and acceptable motion for most seasoned sailors.
5. The Capsize Screening Formula (CSF) of 1.7 tells us that a Najad 460 would be a safer choice of sailboat for an ocean passage than one with a CSF of more than 2.0.
Other sailboats in the Najad range include:
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