The Gozzard 36 Sailboat
Specs & Key Performance Indicators

Published Specification for the Gozzard 36

Underwater Profile: Fin keel & skeg-hung rudder

Hull Material: GRP (Fibreglass)

Length Overall: 36'0" (11.0m)

Waterline Length: 29'6" (9.0m)

Beam: 12'6" (3.8m)

Draft: 4'9" (1.4m)

Rig Type: Cutter

Displacement: 6,850lb (3,107kg)

Designer: Ted Gozzard

Builder: North Castle Marine Ltd (Canada)

Year First Built: 1985

Year Last Built: 1998

Number Built: 90 approx

Published Design Ratios for the Gozzard 36

1. Sail Area/Displacement Ratio: 20.4

• 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: 37.7

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

3. Displacement/Length Ratio: 316

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

4. Comfort Ratio: 30.9

• 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: 1.9

• 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 Gozzard 36

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1. A Sail Area/Displacement Ratio of 20.4 suggests that, in the right hands, the Gozzard 36 will have enough performance to leave most other sailboats of similar waterline length well astern. 

2. A Ballast/Displacement Ratio of 37.7 means that a sailboat like the Gozzard 36 (which doesn't have a stiffness-enhancing bulb keel), is likely to benefit from being reefed early to keep her sailing upright in a moderate breeze.

3. A Displacement/Length Ratio of 316, tells us the Gozzard 36 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 30.9 suggests that crew comfort of a Gozzard 36 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 1.9 indicates that a Gozzard 36 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 Gozzard range include:

The Gozzard 41