The Finnsailor 35 Sailboat
Specs & Key Performance Indicators
The Finnsailor 35, a moderate displacenet motorsailor, was designed by Turien Veneveistramo and built in Finland by Fiskars AB.
A Finnsailor 35 motorsailor
Published Specification for the Finnsailor 35
Underwater Profile: Long keel
Hull Material: GRP (Fibreglass)
Length Overall: 35'0" (10.7m)
Waterline Length: 29'6" (9.0m)
Beam: 10'3" (3.1m)
Draft: 3'8" (1.1m)
Rig Type: Masthead sloop
Displacement: 14,000lb (6,350kg)
Ballast: 4,000lb (1,814kg)
Designer: Turien Veneveistramo
Builder: Fiskars AB (Finland)
Year First Built: 1969
Published Design Ratios for the Finnsailor 35
1. Sail Area/Displacement Ratio: 10.0
- 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: 28.6
- Under 40: less stiff, less powerful
- Over 40: stiffer, more powerful
3. Displacement/Length Ratio: 243
- Under 100: Ultralight
- 100 to 200: Light
- 200 to 275: Moderate
- 275 to 350: Heavy
- Over 350: Ultraheavy
4. Comfort Ratio: 31.3
- 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: 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 Finnsailor 35
1. A Sail Area/Displacement Ratio of just 10.0 suggests that the Finnsailor 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 will be the way to go.
2. A Ballast/Displacement Ratio of 28.6 means that a sailboat like the Finnsailor 35 is likely to benefit from being reefed early to keep her sailing upright in a moderate breeze.
3. A Displacement/Length Ratio of 243, tells us the Finnsailor 35 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 31.3 suggests that crew comfort of a Finnsailor 35 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 indicates that a Finnsailor 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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