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Sailboat specifications and datasheets

Dehler 34 - J&V shoal draft

The Dehler 34 - J&V, here in "shoal draft" version, is a 33’10” monohull sailboat designed by Fietje Judel and Rolf E. Vrolijk. She was built by Dehler (Germany) and made of sandwich PVC / fiberglass with carbon fiber reinforcements. The production started in 2016 .

The Dehler 34 - J&V is as well listed, on Boat-Specs.com, in version Standard and Competition.

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Dehler 34 - J&V's   Main Features
Model Dehler 34 - J&V
Version Shoal draft
Type of hull Monohull
Category Cruiser-racer sailboat
Shipyard
Designer Fietje Judel
Rolf E. Vrolijk
Construction Hull and deck:
sandwich PVC / fiberglass with carbon fiber reinforcements
First built hull 2016
Last built hull Still in production
Appendages Keel :
Fin with bulb
Helm 1 tiller (helm wheel in option)
Rudder 1 spade rudder (Double as option)
Cockpit Open aft cockpit with closing system
Unsinkable No
Trailerable No
EC certification B
Standard public price ex. VAT (indicative only) About
117 000
(2017)
Dehler 34 - J&V's   Main dimensions
Length overall 35’ 1”
Hull length 33’ 10”
Waterline length 31’ 6”
Beam (width) 11’ 10”
Draft 5’ 1”
Mast height from DWL 53’ 5”
Light displacement 13448 lbs
Ballast weight 4960 lbs
Ballast type Cast iron
Dehler 34 - J&V's   Rig and sails
Upwind sail area 700 sq.ft
Downwind sail area 1372 sq.ft
Mainsail area 404 sq.ft
Genoa area 296 sq.ft
Symetric spinnaker area 829 sq.ft
Asymetric spinnaker area 969 sq.ft
Code 0 area 552 sq.ft
Rigging type Sloop Marconi 9/10
Rotating spars No
Mast position Deck stepped mast
Spars Mast and boom in Aluminum (carbon fiber as an option)
Standing rigging Dyform
Spreaders angle Swept-back
IiFore triangle height (from mast foot to fore stay attachment) 44’ 7”
JiFore triangle base (from mast foot to bottom of forestay) 12’ 8”
PiMainsail hoist measurement (from tack to head) 43’ 6”
EiMainsail foot measurement (from tack to clew) 16’ 2”
Dehler 34 - J&V'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.
19.47
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.
38.19
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.
195
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.
37 %
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.
21699 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.
29655 lbs.ft @ 60.00 °
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.
7.52 knots
Dehler 34 - J&V's   Auxiliary engine
Engine(s) 1
Engine type Inboard engine
Engine (min/max) 18 HP / 27 HP
Fuel type Diesel
Fuel tank capacity 42.3 gal
Dehler 34 - J&V's   Accommodation
Cabin(s) 2
Berth(s) (min/max) 4 / 6
Head(s) 1
Fresh water tank capacity 60.8 gal
Water heater capacity 5.3 gal
Fridge/ice-box capacity 34.3 gal
Chart table 2’ 1” x 1’ 8”
Galley headroom 6’ 2”
Dehler 34 - J&V's   Saloon
Maximum headroom 6’ 2”
Saloon table length 3’ 6”
Saloon table width (min/max) 0’ 8” / 3’ 6”
Berth length 6’ 7”
Berth width 2’
Dehler 34 - J&V's   Fore cabin
Maximum headroom 5’ 11”
Berth length 6’ 10”
Berth width 5’ 4”
Dehler 34 - J&V's   Aft cabin
Maximum headroom 6’ 1”
Berth length 6’ 6”
Berth width 5’ 5”

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