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Sailboat specifications and datasheets

Dehler 38 competition

The Dehler 38, here in "competition" version, is a 37’1” monohull sailboat designed by Fietje Judel and Rolf E. Vrolijk. She was built by Dehler (Germany) and made of sandwich fiberglass / polyester. The production started in 2012 and has been awarded the title of "European Yacht of the Year - Category : Performance Cruiser" in 2014.

The Dehler 38 is as well listed, on Boat-Specs.com, in version Standard and Shoal draft.

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Dehler 38's   Main Features
Model Dehler 38
Version Competition
Type of hull Monohull
Category Offshore cruiser-racer sailboat
Shipyard
Designer Fietje Judel
Rolf E. Vrolijk
Award 2014 European Yacht of the Year - Category : Performance Cruiser
Construction Hull and deck:
sandwich fiberglass / polyester
First built hull 2012
Last built hull Still in production
Appendages Keel :
Fin with bulb
Helm 2 wheels
Rudder 1 spade rudder
Cockpit Open aft cockpit with closing system
Unsinkable No
Trailerable No
EC certification A
Standard public price ex. VAT (indicative only) About
151 000
(2017)
Dehler 38's   Main dimensions
Length overall 38’ 5”
Hull length 37’ 1”
Waterline length 34’ 1”
Beam (width) 12’ 4”
Draft 7’ 2”
Mast height from DWL 60’ 11”
Light displacement 14881 lbs
Ballast weight 4189 lbs
Ballast type Cast iron fin with lead bulb
Dehler 38's   Rig and sails
Upwind sail area 931 sq.ft
Downwind sail area 1799 sq.ft
Mainsail area 527 sq.ft
Jib area 404 sq.ft
Symetric spinnaker area 1271 sq.ft
Gennaker area 1270 sq.ft
Rigging type Sloop Marconi 9/10
Rotating spars No
Mast position Keel stepped mast
Spars Mast and boom in Carbon fiber
Standing rigging Single-strand (ROD)
Number of levels of spreaders 2
Spreaders angle Swept-back
IiFore triangle height (from mast foot to fore stay attachment) 51’ 2”
JiFore triangle base (from mast foot to bottom of forestay) 14’ 4”
PiMainsail hoist measurement (from tack to head) 50’ 2”
EiMainsail foot measurement (from tack to clew) 17’ 1”
Dehler 38'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.
24.22
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.
46.79
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.
170
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 %
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.
32549 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.
40505 lbs.ft @ 50.00 °
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.
7.83 knots
Dehler 38's   Auxiliary engine
Engine(s) 1
Engine type Inboard engine
Engine (min/max) 28 HP / 38 HP
Fuel type Diesel
Fuel tank capacity 42.3 gal
Dehler 38's   Accommodation
Cabin(s) (min/max) 2 / 3
Berth(s) (min/max) 4 / 8
Head(s) 1
Fresh water tank capacity 83.2 gal
Water heater capacity 5.3 gal
Fridge/ice-box capacity 34.3 gal

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