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Sailboat specifications and datasheets

Hanse 388 medium draft

The Hanse 388, here in "medium draft" version, is a 36’1” monohull sailboat designed by Fietje Judel and Rolf E. Vrolijk. She was built by Hanse (Germany) and made of sandwich balsa / fiberglass / polyester. The production started in 2017 .

The Hanse 388 is as well listed, on Boat-Specs.com, in version Shoal draft and Furling mainsail.

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Hanse 388's   Main Features
Model Hanse 388
Version Medium draft
Type of hull Monohull
Category Cruising sailboat
Shipyard
Designer Fietje Judel
Rolf E. Vrolijk
Construction Hull and deck:
sandwich balsa / fiberglass / polyester
First built hull 2017
Last built hull Still in production
Appendages Keel :
L-shaped keel (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
125 000
(2017)
Hanse 388's   Main dimensions
Length overall 37’ 5”
Hull length 36’ 1”
Waterline length 34’ 1”
Beam (width) 12’ 10”
Draft 6’ 10”
Mast height from DWL 57’ 8”
Light displacement 18232 lbs
Ballast weight 5269 lbs
Ballast type Cast iron
Hanse 388's   Rig and sails
Upwind sail area 775 sq.ft
Downwind sail area 1479 sq.ft
Mainsail area 468 sq.ft
Jib area 307 sq.ft
Asymetric spinnaker area 1011 sq.ft
Code 5 area 658 sq.ft
Rigging type Sloop Marconi 7/8
Rotating spars No
Mast position Deck stepped mast
Spars Mast and boom in Aluminum
Standing rigging 1x19 strand wire
Number of levels of spreaders 2
Spreaders angle 22 °
IiFore triangle height (from mast foot to fore stay attachment) 48’ 11”
JiFore triangle base (from mast foot to bottom of forestay) 14’ 1”
PiMainsail hoist measurement (from tack to head) 46’ 11”
EiMainsail foot measurement (from tack to clew) 16’ 8”
Hanse 388'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.
17.61
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.
33.60
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.
208
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.
29 %
Righting moment @ 1°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.
1447 lbs.ft
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.
32549 lbs.ft
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.
7.83 knots
Hanse 388's   Auxiliary engine
Engine(s) 1
Engine type Inboard engine
Engine (min/max) 27 HP / 38 HP
Fuel type Diesel
Fuel tank capacity 42.3 gal
Hanse 388's   Accommodation
Cabin(s) (min/max) 2 / 3
Berth(s) (min/max) 4 / 8
Head(s) 1
Fresh water tank capacity 77.9 gal
Water heater capacity 5.3 gal
Holding tank capacity 17.2 gal

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