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Sailboat specifications and datasheets

First 45F5 wing keel

The First 45F5, here in "wing keel" version, is a 45’7” offshore monohull sailboat designed by Bruce Farr. She was built by Bénéteau (France) and made of monolithic fiberglass / polyester. This sailboat was produced between 1990 and 1996 with about 250 hulls completed.

The First 45F5 belongs to the First range. The First 45F5 is as well listed, on Boat-Specs.com, in version Standard and Lead keel.

Bénéteau First 45F5 Bénéteau First 45F5 sailplanBénéteau First 45F5 layoutBénéteau First 45F5 sailingBénéteau First 45F5 sailingBénéteau First 45F5 accommodationsBénéteau First 45F5 accommodationsBénéteau First 45F5 accommodationsBénéteau First 45F5 detail
First 45F5's   Main Features
Model First 45F5
Version Wing keel
Type of hull Monohull
Shipyard
Designer Bruce Farr
Range First
Construction Hull:
monolithic fiberglass / polyester
Deck:
sandwich balsa / fiberglass / polyester
First built hull 1990
Last built hull 1996
Number of hulls built About 250
Appendages Keel :
Wing keel
Helm 1 wheel
Rudder 1 spade rudder
Unsinkable No
Trailerable No
French navigation category 1
Standard public price ex. VAT (indicative only) N/A
First 45F5's   Main dimensions
Length overall 46’ 7”
Hull length 45’ 7”
Waterline length 36’ 5”
Beam (width) 13’ 11”
Draft 5’ 11”
Mast height from DWL 68’ 1”
Light displacement 23149 lbs
Ballast weight 8378 lbs
French customs tonnage 19.92 Tx
First 45F5's   Rig and sails
Upwind sail area 1195 sq.ft
Downwind sail area 1884 sq.ft
Mainsail area 570 sq.ft
Genoa area 624 sq.ft
Symetric spinnaker area 1313 sq.ft
Rigging type Sloop Marconi 7/8
Rotating spars No
Mast position Keel stepped mast
Spars Mast and boom in Aluminum
Standing rigging Single-strand (ROD) discontinuous
Number of levels of spreaders 2
Spreaders angle Swept-back
IiFore triangle height (from mast foot to fore stay attachment) 53’ 1”
JiFore triangle base (from mast foot to bottom of forestay) 15’ 1”
PiMainsail hoist measurement (from tack to head) 55’ 5”
EiMainsail foot measurement (from tack to clew) 18’ 8”
First 45F5'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.
23.15
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.
36.50
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.
217
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.
36 %
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.
8.09 knots
First 45F5's   Auxiliary engine
Engine(s) 1
Engine type Inboard engine
Engine 50 HP
Fuel type Diesel
Fuel tank capacity 42.3 gal
First 45F5's   Accommodation
Cabin(s) (min/max) 2 / 4
Berth(s) (min/max) 4 / 8
Head(s) 2
Fresh water tank capacity 171.7 gal
Water heater capacity 11.1 gal
Fridge/ice-box capacity 59.4 gal
Maximum headroom 6’ 7”
First 45F5's   Fore cabin
Berth length 6’ 7”
Berth width 4’ 10”
First 45F5's   Aft cabin
Berth length 6’ 7”
Berth width 4’ 11”

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