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Sailboat specifications and datasheets

Melges 40

The Melges 40 is a 39’4” multiple crew monohull sailboat designed by Marcelino Botin and Shaun Carkeek. She was built by Melges (United States) and made of sandwich carbon fiber / epoxy (composite infusion). The production started in 2016 .
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Melges 40's   Main Features
Model Melges 40
Type of hull Monohull
Category One design sailboat
Shipyard
Designer Marcelino Botin
Shaun Carkeek
Construction Hull and deck:
sandwich carbon fiber / epoxy (composite infusion)
First built hull 2016
Last built hull Still in production
Appendages Keel (canting) :
Canting keel with central daggeboard
Helm 1 tiller
Rudder 2 spade rudders
Cockpit Open aft cockpit
Unsinkable No
Trailerable No
EC certification B
Standard public price ex. VAT (indicative only) About
565 000
(2016)
Melges 40's   Main dimensions
Hull length 39’ 4”
Waterline length 36’ 5”
Beam (width) 11’ 7”
Draft 10’ 6”
Light displacement 7165 lbs
Ballast weight 2425 lbs
Ballast type Carbon fiber fin with lead bulb
Melges 40's   Rig and sails
Upwind sail area 1302 sq.ft
Downwind sail area 2928 sq.ft
Mainsail area 775 sq.ft
Jib area 527 sq.ft
Gennaker area 2153 sq.ft
Rigging type Ketch Marconi (square top mainsail) 9/10
Rotating spars No
Mast position Deck stepped mast
Spars Mast and boom in Carbon fiber
Standing rigging Discontinuous
Number of levels of spreaders 2
Spreaders angle Swept-back
Melges 40's   Performances
Crew 9 (<680kg)
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.
55.15
Downwind 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.
123.97
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.
67
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.
34 %
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.
8.09 knots
Melges 40's   Auxiliary engine
Engine(s) 1
Engine type Inboard engine
Engine 20 HP
Fuel type Diesel
Fuel tank capacity 10.6 gal

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