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Sailboat specifications and datasheets

Dehler 35SQ standard

The Dehler 35SQ, here in "standard" version, is a 34’6” monohull sailboat designed by Alexander Simonis and Maarten Voogd. She was built by Dehler (Germany) and made of sandwich fiberglass / polyester. The production started in 2012 .

The Dehler 35SQ is as well listed, on Boat-Specs.com, in version Competition and Shoal draft.

Dehler 35SQ Dehler 35SQ sailplanDehler 35SQ layoutDehler 35SQ layoutDehler 35SQ sailingDehler 35SQ accommodations
Dehler 35SQ's   Main Features
Model Dehler 35SQ
Version Standard
Type of hull Monohull
Category Cruiser-racer sailboat
Shipyard
Designer Alexander Simonis
Maarten Voogd
Construction Hull and deck:
sandwich fiberglass / polyester
First built hull 2012
Last built hull Discontinued
Appendages Keel :
Fin with bulb
Helm 2 wheels
Rudder 1 spade rudder
Cockpit Open aft cockpit
Unsinkable No
Trailerable No
EC certification A
Standard public price ex. VAT (indicative only) N/A
Dehler 35SQ's   Main dimensions
Hull length 34’ 6”
Waterline length 30’ 10”
Beam (width) 11’ 6”
Draft 6’ 5”
Mast height from DWL 57’ 11”
Light displacement 12170 lbs
Ballast weight 4145 lbs
Ballast type Cast iron
Dehler 35SQ's   Rig and sails
Upwind sail area 854 sq.ft
Downwind sail area 1561 sq.ft
Mainsail area 420 sq.ft
Genoa area 434 sq.ft
Jib area 355 sq.ft
Symetric spinnaker area 1141 sq.ft
Gennaker area 980 sq.ft
Rigging type Sloop Marconi 9/10
Rotating spars No
Mast position Keel stepped mast
Spars Mast and boom in Aluminum
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) 48’ 7”
JiFore triangle base (from mast foot to bottom of forestay) 13’ 6”
PiMainsail hoist measurement (from tack to head) 47’ 8”
EiMainsail foot measurement (from tack to clew) 15’ 5”
Dehler 35SQ'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.
25.39
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.
46.42
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.
189
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 %
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.
7.43 knots
Dehler 35SQ's   Auxiliary engine
Engine(s) 1
Engine type Inboard engine
Engine 28 HP
Fuel type Diesel
Fuel tank capacity 23.2 gal
Dehler 35SQ's   Accommodation
Cabin(s) 2
Berth(s) (min/max) 4 / 6
Head(s) 1
Fresh water tank capacity 34.3 gal
Water heater capacity 5.3 gal

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