Detailed sailboat specifications and datasheets since 2015
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First 45 Regatta

Sailboat specifications

The First 45 is a 44’11” (13.68m) cruiser-racer sailboat designed by Philippe Briand (France). She was built since 2007 (and now discontinued) by Bénéteau (France). The Regatta version offers a deeper keel, longer mast, and larger sail area.

The First 45 is as well listed, on Boat-Specs.com, in Standard and Shoal draft version (see all the versions compared).

First 45's main features

Model
First 45
Version
Regatta
Hull type
Monohull
Category
Offshore cruiser-racer sailboat
Sailboat builder
Sailboat designer
Sailboat range
Country
France
Construction
GRP (glass reinforced polyester):
- Hull: Single skin fiberglass polyester
- Deck: Sandwich balsa thermo-plastic Tecrothène 109, rotomolded polyester
First built hull
2007
Last built hull
Discontinued
Appendages
Keel : fin without bulb
Helm
Twin helm wheels
Rudder
Single spade rudder
Unsinkable
No
Trailerable
No
EC design category
 iThe CE design category indicates the ability to cope with certain weather conditions (the sailboat is designed for these conditions)

A: Wind < force 9, Waves < 10m
B: Wind < force 8, Waves < 8m
C: Wind < force 6, Waves < 4m
D: Wind < force 4, Waves < 0,5m
A
Standard public price ex. VAT (indicative only)
N/A

First 45's main dimensions

Overall length
46’ 2”14.07 m
Hull length
44’ 11”13.68 m
Waterline length
39’ 5”12.01 m
Beam (width)
13’ 10”4.2 m
Draft
9’2.74 m
Mast height from DWL
71’ 5”21.75 m
Light displacement (MLC)
25452 lb11545 kg
Ballast weight
8488 lb3850 kg
Ballast type
Lead
French customs tonnage
21.00 Tx

First 45's rig and sails

Upwind sail area
1218 ft²113.2 m²
Downwind sail area
2279 ft²211.7 m²
Mainsail area
653 ft²60.7 m²
Genoa area
565 ft²52.5 m²
Symmetric spinnaker area
1625 ft²151 m²
I
 iFore triangle height (from mast foot to fore stay top attachment)
60’ 2”18.35 m
J
 iFore triangle base (from mast foot to bottom of forestay)
18’ 1”5.51 m
P
 iMainsail hoist measurement (from tack to head)
59’ 1”18 m
E
 iMainsail foot measurement (from tack to clew)
18’5.5 m
Rigging type
Sloop Marconi 9/10
Mast configuration
Keel stepped mast
Rotating spars
No
Number of levels of spreaders
3
Spreaders angle
Swept-back
Spars construction
Aluminum spars
Standing rigging
Dyform discontinuous

First 45's performances

Upwind sail area to displacement
 iThe 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 25 it indicates a fast sailboat.
239 ft²/T22.16 m²/T
Downwind sail area to displacement
 iThe 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.
446 ft²/T41.44 m²/T
Displacement-length ratio (DLR)
 iThe Displacement Length Ratio (DLR) is a figure that points out the boat's weight compared to its waterline length. The 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.
189
Ballast ratio
 iThe Ballast ratio is an indicator of stability; it is obtained by dividing the boat's displacement by the mass of the ballast. Since the stability depends also of the hull shapes and the position of the center of gravity, only the boats with similar ballast arrangements and hull shapes should be compared.

The higher the ballast ratio is, the greater is the stability.
33 %
Critical hull speed
 iAs 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.
8.41 knots

First 45's auxiliary engine

Engine(s)
1 inboard engine
Engine(s) power
54 HP
Fuel type
Diesel
Fuel tank capacity
52.8 gal200 liters

First 45's accommodations and layout

Cockpit
Closed aft cockpit
Cabin(s)
3
Berth(s) (min./max.)
6 / 8
Head(s)
2
Freshwater tank capacity
150.6 gal570 liters
Holding tank capacity
42.3 gal160 liters
Fridge/ice-box capacity
21.1 gal80 liters
Boiler capacity
10.6 gal40 liters
Maximum headroom
6’ 6”1.97 m
Galley headroom
6’ 6”1.97 m
Head headroom
6’ 4”1.93 m

First 45's saloon

Maximum headroom
6’ 5”1.94 m

First 45's fore cabin

Maximum headroom
6’ 4”1.93 m
Berth length
6’ 7”2 m
Berth width
4’ 11”1.5 m

First 45's aft cabin

Maximum headroom
6’ 5”1.94 m
Berth length
6’ 7”2 m
Berth width (head/feet)
4’ 7”1.4 m / 3’ 11”1.2 m
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