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Sailboat specifications and datasheets

Delphia 24 OD

The Delphia 24 OD is a 24’ coastal monohull sailboat designed by Andrzej Skrzat. She was built by Delphia Yachts (Poland) and made of monolithic fiberglass / polyester (composite infusion). This sailboat was produced between 2006 and 2017.
Delphia Yachts  Delphia 24 OD Delphia Yachts  Delphia 24 OD sailplanDelphia Yachts  Delphia 24 OD layoutDelphia Yachts  Delphia 24 OD sailingDelphia Yachts  Delphia 24 OD sailingDelphia Yachts  Delphia 24 OD sailing
Delphia 24 OD's   Main Features
Model Delphia 24 OD
Type of hull Monohull
Category Sport keel boat
Shipyard
Designer Andrzej Skrzat
Construction Hull:
monolithic fiberglass / polyester (composite infusion)
Deck:
sandwich PVC / fiberglass / polyester (composite infusion)
First built hull 2006
Last built hull 2017
Appendages Keel (lifting) :
Keel retractable
Helm 1 tiller
Rudder 1 transom hung rudder
Cockpit Open aft cockpit
Unsinkable No
Trailerable Yes
EC certification C
Standard public price ex. VAT (indicative only) About
22 100
(2016)
Delphia 24 OD's   Main dimensions
Length overall 25’ 4”
Hull length 24’
Waterline length 23’ 5”
Beam (width) 8’ 2”
Draft 5’ 4”
Mast height from DWL 35’ 2”
Light displacement 1984 lbs
Ballast weight 551 lbs
Delphia 24 OD's   Rig and sails
Upwind sail area 338 sq.ft
Downwind sail area 712 sq.ft
Mainsail area 228 sq.ft
Jib area 110 sq.ft
Symetric spinnaker area 377 sq.ft
Asymetric spinnaker area 484 sq.ft
Rigging type Sloop Marconi 7/8
Rotating spars No
Mast position Deck stepped mast
Spars Mast and boom in Aluminum
Standing rigging Continuous
Number of levels of spreaders 1
Spreaders angle Swept-back
Delphia 24 OD'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.
33.66
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.
70.97
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.
70
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.
28 %
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.
6.48 knots

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