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Sailboat specifications and datasheets

Dehler 46 shoal draft

The Dehler 46, here in "shoal draft" version, is a 45’10” monohull sailboat designed by Fietje Judel and Rolf E. Vrolijk. She was built by Dehler (Germany) and made of sandwich PVC / fiberglass / vinylester (composite infusion). The production started in 2014 .

The Dehler 46 is as well listed, on Boat-Specs.com, in version Standard, Competition and West Coast.

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Dehler 46's   Main Features
Model Dehler 46
Version Shoal draft
Type of hull Monohull
Category Offshore racer-cruiser sailboat
Shipyard
Designer Fietje Judel
Rolf E. Vrolijk
Construction Hull and deck:
sandwich PVC / fiberglass / vinylester (composite infusion)
First built hull 2014
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
263 000
(2017)
Dehler 46's   Main dimensions
Length overall 47’ 2”
Hull length 45’ 10”
Waterline length 42’ 4”
Beam (width) 14’ 4”
Draft 6’ 1”
Mast height from DWL 69’ 7”
Light displacement 25463 lbs
Ballast weight 8488 lbs
Ballast type Cast iron
Dehler 46's   Rig and sails
Upwind sail area 1228 sq.ft
Downwind sail area 2571 sq.ft
Mainsail area 693 sq.ft
Genoa area 535 sq.ft
Symetric spinnaker area 1878 sq.ft
Gennaker area 1843 sq.ft
Rigging type Sloop Marconi 9/10
Rotating spars No
Mast position Keel stepped mast
Spars Mast and boom in Aluminum (carbon boom as an option)
Standing rigging 1x19 strand wire
Number of levels of spreaders 2
Spreaders angle Swept-back
IiFore triangle height (from mast foot to fore stay attachment) 59’ 5”
JiFore triangle base (from mast foot to bottom of forestay) 17’ 5”
PiMainsail hoist measurement (from tack to head) 57’ 8”
EiMainsail foot measurement (from tack to clew) 20’ 6”
Dehler 46'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.
22.33
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.
46.76
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.
152
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.
33 %
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.
8.72 knots
Dehler 46's   Auxiliary engine
Engine(s) 1
Engine type Inboard engine
Engine 53 HP
Fuel type Diesel
Fuel tank capacity 55.5 gal
Dehler 46's   Accommodation
Cabin(s) 3
Berth(s) (min/max) 5 / 8
Head(s) 2
Fresh water tank capacity 118.9 gal
Water heater capacity 5.3 gal
Holding tank capacity 30.4 gal
Fridge/ice-box capacity 34.3 gal

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