The Tashiba 40 Sailboat
Specs & Key Performance Indicators
The Tashiba 40, a long-keeled cutter, was designed by Bob Perry and built in Taiwan by Ta Shing Yacht Builders.
The Tashiba 40 Canoe-Sterned Cruising Yacht, also known as the Baba 40 and the Panda 40
Published Specification for the Tashiba 40
Underwater Profile: Long keel
Hull Material: GRP (Fiberglass)
Length Overall: 39'10" (12.2m)
Waterline Length: 34'6" (10.5m)
Beam: 12'10" (3.9m)
Draft: 5'6" (1.7m)
Rig Type: Cutter
Displacement: 29,000lb (13,154kg)
Designer: Bob Perry
Builder: Ta Shing Yacht Builders (Taiwan)
Year First Built: 1984
Published Design Ratios for the Tashiba 40
1. Sail Area/Displacement Ratio: 14.7
- 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: 35.5
- Under 40: less stiff, less powerful
- Over 40: stiffer, more powerful
3. Displacement/Length Ratio: 315
- Under 100: Ultralight
- 100 to 200: Light
- 200 to 275: Moderate
- 275 to 350: Heavy
- Over 350: Ultraheavy
4. Comfort Ratio: 41.5
- 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 all-revealing numbers...
Summary Analysis of the Design Ratios for the Tashiba 40
1. A Sail Area/Displacement Ratio of just 14.7 suggests that the Tashiba 40 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 35.5 means that the Tashiba 40 will have a tendency to heel excessively in a gust - she'll need to be reefed early to keep her sailing upright in gusting conditions.
3. A Displacement/Length Ratio of 315, tells us the Tashiba 40 is clearly a heavy displacement cruising boat. You can load her down with all your cruising gear and equipment and it will hardly affect her waterline. Not an ideal choice for coastal sailing, but she'll come into her own on an offshore passage in testing conditions.
4. Ted Brewer's Comfort Ratio of 41.5 suggests that crew comfort of a Tashiba 40 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 1.7 tells us that a Tashiba 40 would be a considerably safer choice of sailboat for an ocean passage than one with a CSF of more than 2.0.
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