The Moody 36S Sailboat
Specs & Key Performance Indicators
The Moody 36S, an aft-cockpit version of the Moody 36, was designed by Angus Primrose and built in the UK by Marine Projects Ltd.
A Moody 36S
Published Specification for the Moody 36S
Underwater Profile: Fin keel with skeg-hung rudder
Hull Material: GRP (Fibreglass)
Length Overall: 36'0" (11.0m)
Waterline Length: 30'0" (9.1m)
Beam: 12'4" (3.8m)
Draft: 5'0" (1.5m)
Rig Type: Masthead sloop
Displacement: 14,700lb (6,668kg)
Designer: Angus Primrose
Builder: Marine Projects Ltd (UK)
Year First Built: 1981
Year Last Built: 1983
Number Built: 19
Read more about the current range of Moody Yachts...
Published Design Ratios for the Moody 36S
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: Not published
- 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: 25.1
- 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: 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 Moody 36S
1. A Sail Area/Displacement Ratio of just 13.4 suggests that the Moody 36S 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. In the absence of a published Ballast/Displacement Ratio for the Moody 36S we are unable to make any meaningful assessment of her stiffness under sail.
3. A Displacement/Length Ratio of 243, tells us the Moody 36S 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 25.1 suggests that crew comfort of a Moody 36S 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 indicates that a Moody 36S would not be the wisest choice of sailboat for ocean passage-making owing to the lower resistance to capsize in strong winds and heavy seas that is associated with sailboats with a CSF of 2.0 and above.
Other sailboats in the Moody range include:
The Moody 33S
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