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Sailboat specifications and datasheets

Hanse 675 shoal draft

The Hanse 675, here in "shoal draft" version, is a 67’4” monohull sailboat designed by Fietje Judel and Rolf E. Vrolijk. She was built by Hanse (Germany) and made of sandwich fiberglass / polyester. The production started in 2015 .

The Hanse 675 is as well listed, on Boat-Specs.com, in version Standard.

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Hanse 675's   Main Features
Model Hanse 675
Version Shoal draft
Type of hull Monohull
Category Offshore cruising sailboat
Shipyard
Designer Fietje Judel
Rolf E. Vrolijk
Construction Hull and deck:
sandwich fiberglass / polyester
First built hull 2015
Last built hull Still in production
Appendages Keel :
L-shaped keel (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) About
1 000 000
(2017)
Hanse 675's   Main dimensions
Length overall 69’ 2”
Hull length 67’ 4”
Waterline length 63’
Beam (width) 19’ 5”
Draft 8’ 11”
Mast height from DWL 104’ 10”
Light displacement 78264 lbs
Ballast weight 26455 lbs
Ballast type Cast iron fin with lead bulb
Hanse 675's   Rig and sails
Upwind sail area 3197 sq.ft
Downwind sail area 4435 sq.ft
Mainsail area 1421 sq.ft
Genoa area 1776 sq.ft
Solent area 1055 sq.ft
Gennaker area 3014 sq.ft
Rigging type Sloop Marconi 9/10
Rotating spars No
Mast position Deck stepped mast
Spars Mast and boom in Aluminum
Number of levels of spreaders 3
Spreaders angle Swept-back
IiFore triangle height (from mast foot to fore stay attachment) 89’ 7”
JiFore triangle base (from mast foot to bottom of forestay) 25’ 5”
PiMainsail hoist measurement (from tack to head) 86’ 11”
EiMainsail foot measurement (from tack to clew) 29’ 11”
Hanse 675'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.
27.50
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.
38.14
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.
142
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 %
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.
206141 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.
264005 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.
10.64 knots
Hanse 675's   Auxiliary engine
Engine(s) 1
Engine type Inboard engine
Engine (min/max) 146 HP / 210 HP
Fuel type Diesel
Fuel tank capacity 290.6 gal
Hanse 675's   Accommodation
Cabin(s) (min/max) 3 / 4
Berth(s) (min/max) 6 / 10
Head(s) (min/max) 3 / 4
Fresh water tank capacity 258.9 gal
Water heater capacity 21.1 gal
Fridge/ice-box capacity 37 gal

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