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Sailboat specifications and datasheets

First 325 deep draft

The First 325, here in "deep draft" version, is a 32’6” monohull sailboat designed by Jean Berret. She was built by Bénéteau (France) and made of monolithic fiberglass / polyester. This sailboat was produced between 1984 and 1988 with 270 hulls completed.

The First 325 belongs to the First range. The First 325 is as well listed, on Boat-Specs.com, in version Shoal draft.

Bénéteau First 325 Bénéteau First 325 sailplanBénéteau First 325 layoutBénéteau First 325 sailingBénéteau First 325 sailingBénéteau First 325 sailingBénéteau First 325 cockpitBénéteau First 325 accommodations
First 325's   Main Features
Model First 325
Version Deep draft
Type of hull Monohull
Shipyard
Designer Jean Berret
Range First
Construction Hull:
monolithic fiberglass / polyester
Deck:
sandwich balsa / fiberglass / polyester
First built hull 1984
Last built hull 1988
Number of hulls built 270
Appendages Keel :
Fin without bulb
Helm 1 tiller
Rudder 1 spade rudder
Unsinkable No
Trailerable No
French navigation category 2
Standard public price (indicative only) N/A
First 325's   Main dimensions
Length overall 34’ 1”
Hull length 32’ 6”
Waterline length 28’ 8”
Beam (width) 11’ 1”
Draft 6’ 1”
Light displacement 9700 lbs
Ballast weight 3748 lbs
Ballast type Cast iron
French customs tonnage 9.00 Tx
First 325's   Rig and sails
Upwind sail area 624 sq.ft
Downwind sail area 1093 sq.ft
Mainsail area 242 sq.ft
Genoa area 382 sq.ft
Jib area 242 sq.ft
Symetric spinnaker area 850 sq.ft
Rigging type Sloop Marconi masthead
Mast position Deck stepped mast
Spars Mast and boom in Aluminum
Standing rigging 1x19 strand wire
Number of levels of spreaders 2
Spreaders angle 0 °
IiFore triangle height (from mast foot to fore stay attachment) 40’ 4”
JiFore triangle base (from mast foot to bottom of forestay) 11’ 11”
PiMainsail hoist measurement (from tack to head) 34’ 10”
EiMainsail foot measurement (from tack to clew) 11’ 6”
First 325's   Performances
HN (French rating) 18.5
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.
21.60
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.
37.80
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.
186
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.
39 %
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.
7.18 knots
First 325's   Auxiliary engine
Engine(s) 1
Engine type Inboard engine
Engine (min/max) 18 HP / 28 HP
Fuel type Diesel
Fuel tank capacity 13.2 gal
First 325's   Accommodation
Cabin(s) 2
Berth(s) 6
Head(s) 1
Fresh water tank capacity 52.8 gal
Maximum headroom 6’ 4”
First 325's   Saloon
Maximum headroom 6’

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