The Fuji 35 Sailboat

The Fuji 35, a clipper-bowed staysail ketch, was designed by John Alden and built in Japan by Fuji Yacht Builders.

The Fuji 35, a clipper-bowed staysail ketch sailboatThe Fuji 35, a long-keeled staysail ketch

Published Specification for the Fuji 35

Underwater Profile: Full keel, with a cut-away forefoot;

Hull Material:  GRP;

Length Overall: 34'7" (10.5m);

Waterline Length: 26'00" (7.9m);

Beam: 10'00" (3.1m);

Draft: 5'0" (1.5m);

Rig Type: Staysail Ketch;

Displacement: 6,302lb (7,395kg);

Designer: John Alden;

Builder:  Fuji Yacht Builders (Japan);

Year First Built: 1973;

Year Last Built: 1982; 


Published Design Ratios for the Fuji 35

1. Sail Area/Displacement Ratio: 13.4

  • 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: 36.6

  • Under 40: less stiff, less powerful
  • Over 40: stiffer, more powerful

3. Displacement/Length Ratio: 414

  • Under 100: Ultralight
  • 100 to 200: Light
  • 200 to 275: Moderate
  • 275 to 350: Heavy
  • Over 350: Ultraheavy

4. Comfort Ratio: 41.1

  • 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: 1.6

  • Under 2.0 (the lower the better): Better suited for ocean passages
  • Over 2.0: Less suited for ocean passages

read more about these all-revealing numbers...


Summary Analysis of the Design Ratios for the Fuji 35

1. A Sail Area/Displacement Ratio of just 13.4 suggests that the Fuji 35 will need a stiff breeze to get her going. In light conditions, unless you've got plenty of time on your hands, motor-sailing may be the way to go. 

2. A Ballast/Displacement Ratio of 36.6 means that unless the bulk of the ballast is concentrated in a bulb at the foot of her keel, the Fuji 35 will have a tendency to heel excessively in a gust, and she'll need to be reefed early to keep her sailing upright in a moderate breeze. 

3. A Displacement/Length Ratio of 414, tells us the Fuji 35 is firmly in the ultra-heavy displacement category. Load her up as much as you like and her performance will be hardly affected, not that it was ever startling. Few if any sailboats are built to this displacement category these days - but they remain popular with some long-distance sailors.

4. Ted Brewer's Comfort Ratio of 41.1 suggests that crew comfort of a Fuji 35 in a seaway is similar to what you would associate with the motion of a heavy bluewater cruising boat. Pitching and rolling will be well damped - your cup of coffee on the salon table stands a reasonable chance of staying there in most conditions.

5. The Capsize Screening Formula (CSF) of 1.6 tells us that a Fuji 35 would be a safer choice of sailboat for an ocean passage than one with a CSF of more than 2.0. 

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