The Moody 45 DS
is a 45’ (13.72m) cruising sailboat designed by Dixon Yacht Design
(United Kingdom). She is built since 2008 by Moody
(United Kingdom). The Deep draft
version offers a deeper L-shaped keel bringing extra performance especially upwind.
The Moody 45 DS
is as well listed, on Boat-Specs.com, in Shoal draft
version (see all the versions compared
Moody 45 DS's main features
Moody 45 DS
Offshore deck saloon cruising sailboat
GRP (glass reinforced polyester):
- Hull: Sandwich balsa fiberglass polyester
- Deck: Sandwich balsa fiberglass polyester
First built hull
Last built hull
Still in production
Keel : L-shaped keel (with bulb)
Twin helm wheels
Single spade rudder
EC design category iThe CE design category indicates the ability to cope with certain weather conditions (the sailboat is designed for these conditions)
A: Wind < force 9, Waves < 10m
B: Wind < force 8, Waves < 8m
C: Wind < force 6, Waves < 4m
D: Wind < force 4, Waves < 0,5m
Standard public price ex. VAT (indicative only)
Moody 45 DS's main dimensions
42’ 5”12.93 m
6’ 6”1.99 m
Mast height from DWL
71’ 6”21.8 m
Light displacement (MLC)
30865 lb14000 kg
9480 lb4300 kg
Moody 45 DS's rig and sails
Upwind sail area
1055 ft²98 m²
667 ft²62 m²
388 ft²36 m²
I iFore triangle height (from mast foot to fore stay top attachment)
64’ 4”19.6 m
J iFore triangle base (from mast foot to bottom of forestay)
16’ 8”5.1 m
P iMainsail hoist measurement (from tack to head)
60’ 2”18.34 m
E iMainsail foot measurement (from tack to clew)
19’ 8”6 m
Sloop Marconi 9/10
Deck stepped mast
Number of levels of spreaders
Moody 45 DS's performances
Upwind sail area to displacement iThe 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 25 it indicates a fast sailboat.
182 ft²/T16.87 m²/T
Displacement-length ratio (DLR) iThe Displacement Length Ratio (DLR) is a figure that points out the boat's weight compared to its waterline length. The 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 ratio iThe Ballast ratio is an indicator of stability; it is obtained by dividing the boat's displacement by the mass of the ballast. Since the stability depends also of the hull shapes and the position of the center of gravity, only the boats with similar ballast arrangements and hull shapes should be compared.
The higher the ballast ratio is, the greater is the stability.
Critical hull speed iAs 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.
Moody 45 DS's auxiliary engine
1 inboard engine
Fuel tank capacity
169.1 gal640 liters
Moody 45 DS's accommodations and layout
Open aft cockpit
2 / 3
4 / 8
Freshwater tank capacity
211.3 gal800 liters
Holding tank capacity
26.4 gal100 liters
37 gal140 liters
10.6 gal40 liters
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