Sailboat specifications and datasheets

Moody 33S

The Moody 33S is a 33’ monohull sailboat designed by Angus Primrose. She was built by Moody (United Kingdom) and made of monolithic fiberglass / polyester. This sailboat was produced between 1979 and 1982.
Moody 33S Moody 33S sailplanMoody 33S layoutMoody 33S sailingMoody 33S sailingMoody 33S sailingMoody 33S accommodationsMoody 33S accommodations
Moody 33S's   Main Features
Model Moody 33S
Type of hull Monohull
Category Cruising sailboat
Designer Angus Primrose
Construction Hull and deck:
monolithic fiberglass / polyester
First built hull 1979
Last built hull 1982
Appendages Keel :
Fin without bulb
Helm 1 wheel
Rudder 1 rudder on skeg
Cockpit Closed aft cockpit
Unsinkable No
Trailerable No
EC certification 2
Standard public price ex. VAT (indicative only) N/A
Moody 33S's   Main dimensions
Hull length 33’
Waterline length 28’ 6”
Beam (width) 11’ 6”
Draft 4’ 5”
Light displacement 10505 lbs
Ballast weight 3814 lbs
Moody 33S's   Rig and sails
Upwind sail area 580 sq.ft
Mainsail area 205 sq.ft
Genoa area 375 sq.ft
Solent area 278 sq.ft
Jib area 176 sq.ft
Stormjib area 74 sq.ft
Rigging type Sloop Marconi masthead
Rotating spars No
Mast position Deck stepped mast
Spars Mast and boom in Aluminum
Standing rigging 1x19 strand wire continuous
Number of levels of spreaders 1
Spreaders angle 0 °
Moody 33S's   Performances
Upwind sail area to displacementiThe ratio sail area to displacement is obtained by dividing the sail area by the boat's displaced volume to the power two-thirds.
The ratio sail area to displacement can be used to compare the relative sail plan of different sailboats no matter what their size. Upwind : under 18 the ratio indicates a cruise oriented sailboat with limited performances especially in light wind, while over 23 it indicates a fast sailboat.
Displacement-Length ratio (DLR)iThe Displacement Length ratio is a figure that points out the boat's weight compared to its waterline length. DLR is obtained by dividing the boat's displacement in tons by the cube of one one-hundredth of the waterline length (in feet).
The DLR can be used to compare the relative mass of different sailboats no matter what their length: a DLR less than 180 is indicative of a really light sailboat (race boat made for planning), while a DLR greater than 300 is indicative of a heavy cruising sailboat.
Ballast ratioiThe Ballast ratio is an indicator of the stability; it is obtained by dividing the boat's displacement by the weight of the ballast. Since the stability depends also of the hull shape and the position of the center of gravity, only boats with similar ballast arrangements and hull shape should be considered.
Higher the ballast ratio is, greater is the stability.
36 %
Hull speediAs a ship moves in the water, it creates standing waves that oppose its movement. This effect increases dramatically the resistance when the boat reaches a speed-length ratio (speed-length ratio is the ratio between the speed in knots and the square root of the waterline length in feet) of about 1.2 (corresponding to a Froude Number of 0.35) . This very sharp rise in resistance, between speed-length ratio of 1.2 to 1.5, is insurmountable for heavy sailboats and so becomes an apparent barrier. This leads to the concept of "hull speed".
The hull speed is obtained by multiplying the square root of the waterline length (in feet) by 1.34.
7.15 knots
Moody 33S's   Auxiliary engine
Engine(s) 1
Engine type Inboard engine
Engine (min/max) 20 HP / 23 HP
Fuel type Diesel
Fuel tank capacity 31.7 gal
Moody 33S's   Accommodation
Cabin(s) 2
Berth(s) (min/max) 4 / 6
Head(s) 1
Fresh water tank capacity 42.3 gal
Moody 33S's   Saloon
Berth length 6’ 4”
Moody 33S's   Aft cabin
Berth length 6’ 4”

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