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Sailboat specifications and datasheets

Dehler 25 fin keel

The Dehler 25, here in "fin keel" version, is a 24’11” monohull sailboat designed by Ericus Gerhardus Van De Stadt. She was built by Dehler (Germany) and made of monolithic fiberglass / polyester. This sailboat was produced between 1984 and 1995 with about 350 hulls completed.

The Dehler 25 is as well listed, on Boat-Specs.com, in version Centerboard (Trunk).

Dehler 25 Dehler 25 layoutDehler 25 sailingDehler 25 accommodationsDehler 25 accommodations
Dehler 25's   Main Features
Model Dehler 25
Version Fin keel
Type of hull Monohull
Category Coastal cruising sailboat
Shipyard
Designer Ericus Gerhardus Van De Stadt
Construction Hull:
monolithic fiberglass / polyester
Deck:
sandwich balsa / fiberglass / polyester
First built hull 1984
Last built hull 1995
Number of hulls built About 350
Appendages Centerboard :
Fin without bulb
Helm 1 tiller
Rudder 1 spade rudder
Cockpit Aft cockpit
Unsinkable No
Trailerable Yes
French navigation category 3
Standard public price ex. VAT (indicative only) N/A
Dehler 25's   Main dimensions
Hull length 24’ 11”
Beam (width) 8’ 2”
Draft 4’ 4”
Light displacement 2425 lbs
Ballast weight 827 lbs
Water ballast Central water ballast
Water ballast capacity 1 x 99.1 gal
French customs tonnage 4.10 Tx
Dehler 25's   Rig and sails
Upwind sail area 336 sq.ft
Downwind sail area 530 sq.ft
Mainsail area 170 sq.ft
Genoa area 166 sq.ft
Jib area 108 sq.ft
Stormjib area 37 sq.ft
Symetric spinnaker area 360 sq.ft
Rigging type Sloop Marconi 7/8
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 Swept-back
Dehler 25'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.
29.28
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.
46.17
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 %
Righting moment @ 30°iThe righting moment is a moment (torque) that tends to restore a boat to its previous position after a rotational displacement. Its value corresponds to the torque needed to heel the boat for this angle.
Higher the righting moment is for an angle, greater is the stability at this angle.
5786 lbs.ft
Maximum righting momentiThe righting moment is a moment (torque) that tends to restore a boat to its previous position after a rotational displacement. Its value corresponds to the torque needed to heel the boat for this angle.
Higher the righting moment is for an angle, greater is the stability at this angle.
6871 lbs.ft @ 50.00 °
Dehler 25's   Auxiliary engine
Engine type Outboard engine
Engine 9 HP
Dehler 25's   Accommodation
Cabin(s) 1
Berth(s) (min/max) 2 / 4

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