Detailed sailboat specifications and datasheets since 2015
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Dehler 34 - J&V Shoal draft

Sailboat specifications

The Dehler 34 - J&V is a 33’10” (10.3m) cruiser-racer sailboat designed by Judel/Vrolijk (Germany). She is built since 2016 by Dehler (Germany). The Shoal draft version features a shorter keel to grant access to shallow areas. She has been awarded "2017 - Cruising World - Boat of the Year: Performance Cruising Boat".

The Dehler 34 - J&V is as well listed, on Boat-Specs.com, in Standard and Competition version (see all the versions compared).

Find out more about the Dehler 34 - J&V on Boat-Spec's blog: European Yacht of the Year 2017.

Dehler 34 - J&V's main features

Model
Dehler 34 - J&V
Version
Shoal draft
Hull type
Monohull
Category
Cruiser-racer sailboat
Sailboat builder
Sailboat designer
Country
Germany
Construction
GRP (glass reinforced polyester):
Sandwich PVC fiberglass with carbon fiber reinforcements
First built hull
2016
Last built hull
Still in production
Award(s)
  • 2017: Cruising World - Boat of the Year: Performance Cruising Boat
    Appendages
    Keel : L-shaped keel (with bulb)
    Helm
    Single tiller (helm wheel in option)
    Rudder
    Single spade rudder (twin as option)
    Unsinkable
    No
    Trailerable
    No
    EC design category
     iThe CE design category indicates the ability to cope with certain weather conditions (the sailboat is designed for these conditions)

    A: Wind < force 9, Waves < 10m
    B: Wind < force 8, Waves < 8m
    C: Wind < force 6, Waves < 4m
    D: Wind < force 4, Waves < 0,5m
    B
    Standard public price ex. VAT (indicative only)
    About 
    130 000 €
     (2020)

    Dehler 34 - J&V's main dimensions

    Overall length
    35’ 1”10.7 m
    Hull length
    33’ 10”10.3 m
    Waterline length
    31’ 6”9.6 m
    Beam (width)
    11’ 10”3.6 m
    Draft
    5’ 1”1.55 m
    Mast height from DWL
    53’ 5”16.27 m
    Light displacement (MLC)
    13448 lb6100 kg
    Ballast weight
    4960 lb2250 kg
    Ballast type
    Cast iron

    Dehler 34 - J&V's rig and sails

    Upwind sail area
    700 ft²65 m²
    Downwind sail area
    1372 ft²127.5 m²
    Mainsail area
    404 ft²37.5 m²
    Genoa area
    296 ft²27.5 m²
    Symmetric spinnaker area
    829 ft²77 m²
    Asymmetric spinnaker area
    969 ft²90 m²
    Code 0 area
    552 ft²51.3 m²
    I
     iFore triangle height (from mast foot to fore stay top attachment)
    44’ 7”13.6 m
    J
     iFore triangle base (from mast foot to bottom of forestay)
    12’ 8”3.87 m
    P
     iMainsail hoist measurement (from tack to head)
    43’ 6”13.25 m
    E
     iMainsail foot measurement (from tack to clew)
    16’ 2”4.95 m
    Rigging type
    Sloop Marconi 9/10
    Mast configuration
    Deck stepped mast
    Rotating spars
    No
    Spreaders angle
    Swept-back
    Spars construction
    Aluminum spars (carbon fiber spars as an option)
    Standing rigging
    Dyform

    Dehler 34 - J&V's performances

    Upwind sail area to displacement
     iThe 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 25 it indicates a fast sailboat.
    210 ft²/T19.47 m²/T
    Downwind sail area to displacement
     iThe 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.
    411 ft²/T38.19 m²/T
    Displacement-length ratio (DLR)
     iThe Displacement Length Ratio (DLR) is a figure that points out the boat's weight compared to its waterline length. The 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 ratio
     iThe Ballast ratio is an indicator of stability; it is obtained by dividing the boat's displacement by the mass of the ballast. Since the stability depends also of the hull shapes and the position of the center of gravity, only the boats with similar ballast arrangements and hull shapes should be compared.

    The higher the ballast ratio is, the 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 heeling. 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.
    21699 lb.ft3000 kg.m
    Maximum righting moment
     iThe righting moment is a moment (torque) that tends to restore a boat to its previous position after heeling. 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.
    29655 lb.ft4100 kg.m @ 60.00 °
    Critical hull speed
     iAs 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 inboard engine
    Engine(s) power (min./max.)
    18 HP / 27 HP
    Fuel type
    Diesel
    Fuel tank capacity
    42.3 gal160 liters

    Dehler 34 - J&V's accommodations and layout

    Cockpit
    Closing aft cockpit with opening system
    Cabin(s)
    2
    Berth(s) (min./max.)
    4 / 6
    Head(s)
    1
    Freshwater tank capacity
    60.8 gal230 liters
    Fridge/ice-box capacity
    34.3 gal130 liters
    Boiler capacity
    5.3 gal20 liters
    Galley headroom
    6’ 2”1.88 m

    Dehler 34 - J&V's saloon

    Maximum headroom
    6’ 2”1.88 m
    Saloon table length
    3’ 6”1.08 m
    Saloon table width (min./max.)
    0’ 8”0.22 m / 3’ 6”1.06 m
    Berth length
    6’ 7”2 m
    Chart table
    2’ 1”0.63 m x 1’ 8”0.52 m
    Berth width
    2’0.6 m

    Dehler 34 - J&V's fore cabin

    Maximum headroom
    5’ 11”1.8 m
    Berth length
    6’ 10”2.06 m
    Berth width
    5’ 4”1.63 m

    Dehler 34 - J&V's aft cabin

    Maximum headroom
    6’ 1”1.85 m
    Berth length
    6’ 6”1.97 m
    Berth width
    5’ 5”1.66 m
    Have you spotted incorrect data?  You can report it in the forum or contact the webmaster

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