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Sailboat specifications and datasheets

Delphia 40.3 deep draft

The Delphia 40.3, here in "deep draft" version, is a 39’2” monohull sailboat designed by Andrzej Skrzat. She was built by Delphia Yachts (Poland) and made of monolithic fiberglass / polyester. The production started in 2009 .

The Delphia 40.3 is as well listed, on Boat-Specs.com, in version Shoal draft and Keel and centerboard.

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Delphia 40.3's   Main Features
Model Delphia 40.3
Version Deep draft
Type of hull Monohull
Category Cruising sailboat
Shipyard
Designer Andrzej Skrzat
Construction Hull:
monolithic fiberglass / polyester
Deck:
sandwich fiberglass / polyester
First built hull 2009
Last built hull Still in production
Appendages Keel :
Fin with bulb
Helm 2 wheels
Rudder 1 spade rudder
Cockpit Closed aft cockpit
Unsinkable No
Trailerable No
EC certification A
Standard public price ex. VAT (indicative only) About
135 000
(2017)
Delphia 40.3's   Main dimensions
Length overall 40’ 6”
Hull length 39’ 2”
Waterline length 36’ 7”
Beam (width) 12’ 11”
Draft 7’ 5”
Light displacement 18960 lbs
Ballast weight 6085 lbs
Delphia 40.3's   Rig and sails
Upwind sail area 739 sq.ft
Mainsail area 448 sq.ft
Jib area 292 sq.ft
Rigging type Sloop Marconi 9/10
Rotating spars No
Mast position Deck stepped mast
Spars Mast and boom in Aluminum
Standing rigging 1x19 strand wire
Number of levels of spreaders 2
Spreaders angle Swept-back
Delphia 40.3'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.
16.37
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.
176
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.
32 %
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.
8.10 knots
Delphia 40.3's   Auxiliary engine
Engine(s) 1
Engine type Inboard engine
Engine (min/max) 38 HP / 55 HP
Fuel type Diesel
Fuel tank capacity 55.5 gal
Delphia 40.3's   Accommodation
Cabin(s) (min/max) 2 / 4
Berth(s) (min/max) 4 / 10
Head(s) 2
Fresh water tank capacity 84.5 gal

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