The Hanse 415 Sailboat
Specs & Key Performance Indicators
The Hanse 415, a fractional sloop, was designed by Judel/Vrolijk & Co and built in Germany by Hanse Yachts.
A Hanse 415, with a club-footed boom and foredeck-mounted sheet track
Published Specification for the Hanse 415
Underwater Profile: Bulb keel and spade rudder;
Hull Material: GRP (Fiberglass);
Length Overall: 40'8" (12.4m);
Waterline Length: 37'5" (11.4m);
Beam: 13'8" (4.2m);
Draft: 6'10" (2.1m);
Rig Type: Fractional Sloop;
Displacement: 19,621lb (8,900kg);
Designer: Judel/Vrolijk & Co;
Builder: Hanse Yachts (Germany);
Year First Built: 2012;
Year Last Built: in production;
Number Built: Ongoing;
Owners Association: Hanse Owners Club;
Published Design Ratios for the Hanse 415
1. Sail Area/Displacement Ratio: 19.9
- 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: 32.6
- Under 40: less stiff, less powerful
- Over 40: stiffer, more powerful
3. Displacement/Length Ratio: 167
- Under 100: Ultralight
- 100 to 200: Light
- 200 to 275: Moderate
- 275 to 350: Heavy
- Over 350: Ultraheavy
4. Comfort Ratio: 24.3
- 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: 2.0
- 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 Hanse 415
1. A Sail Area/Displacement Ratio of 19.9 suggests that the Hanse 415 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 32.6 would usually mean that the Hanse 415 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 167, tells us the Hanse 415 is clearly a light displacement sailboat. If she's loaded with too much heavy cruising gear her performance will suffer dramatically.
4. Ted Brewer's Comfort Ratio of 24.3 suggests that crew comfort of a Hanse 415 in a seaway is similar to what you would associate with the motion of a coastal cruiser with moderate stability, which is not encouraging news for anyone prone to seasickness.
5. The Capsize Screening Formula (CSF) of 2.0 is on the cusp of suitability for an ocean passage, so venture offshore with caution.
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