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Sailboat specifications and datasheets

First 38s5 wing keel

The First 38s5, here in "wing keel" version, is a 37’8” offshore monohull sailboat designed by Jean Berret. She was built by Bénéteau (France) and made of monolithic fiberglass / polyester. This sailboat was produced between 1989 and 1995 with 120 hulls completed.

The First 38s5 belongs to the First range. The First 38s5 is as well listed, on Boat-Specs.com, in version Deep draft and Regatta.

Bénéteau First 38s5 Bénéteau First 38s5 sailplanBénéteau First 38s5 layoutBénéteau First 38s5 sailingBénéteau First 38s5 sailingBénéteau First 38s5 sailingBénéteau First 38s5 accommodationsBénéteau First 38s5 accommodationsBénéteau First 38s5 accommodations
First 38s5's   Main Features
Model First 38s5
Version Wing keel
Type of hull Monohull
Category Cruiser-racer sailboat
Shipyard
Designer Jean Berret
Range First
Construction Hull:
monolithic fiberglass / polyester
Deck:
sandwich balsa / fiberglass / polyester
First built hull 1989
Last built hull 1995
Number of hulls built 120
Appendages Keel :
Wing keel
Helm 1 wheel
Rudder 1 spade rudder
Cockpit Closed aft cockpit
Unsinkable No
Trailerable No
French navigation category 1
Standard public price ex. VAT (indicative only) N/A
First 38s5's   Main dimensions
Length overall 38’ 5”
Hull length 37’ 8”
Waterline length 30’ 2”
Beam (width) 12’ 4”
Waterline beam (width) 9’ 7”
Draft 5’ 2”
Mast height from DWL 52’ 6”
Light displacement 14551 lbs
Ballast weight 4850 lbs
Ballast type Cast iron
First 38s5's   Rig and sails
Upwind sail area 866 sq.ft
Downwind sail area 1368 sq.ft
Mainsail area 416 sq.ft
Genoa area 450 sq.ft
Symetric spinnaker area 952 sq.ft
Rigging type Sloop Marconi 7/8
Rotating spars No
Mast position Keel stepped mast
Spars Mast and boom in Aluminum
Standing rigging 1x19 strand wire discontinuous
Number of levels of spreaders 2
Spreaders angle Swept-back
IiFore triangle height (from mast foot to fore stay attachment) 47’ 1”
JiFore triangle base (from mast foot to bottom of forestay) 12’ 10”
PiMainsail hoist measurement (from tack to head) 47’ 11”
EiMainsail foot measurement (from tack to clew) 15’ 5”
First 38s5'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.
22.88
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.
36.13
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.
240
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.
33 %
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.
7.36 knots
First 38s5's   Auxiliary engine
Engine type Inboard engine
Engine (min/max) 28 HP / 43 HP
Fuel type Diesel
Fuel tank capacity 31.7 gal
First 38s5's   Accommodation
Cabin(s) (min/max) 2 / 3
Berth(s) (min/max) 4 / 8
Head(s) (min/max) 1 / 2
Fresh water tank capacity 97.7 gal
Fridge/ice-box capacity 30.4 gal
Maximum headroom 6’ 2”

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