Boat-Specs.com

Sailboat specifications and datasheets

First 50 standard

The First 50, here in "standard" version, is a 43’6” monohull sailboat designed by Philippe Briand. She was built by Bénéteau (France) and made of monolithic fiberglass / polyester. The production started in 2006 .

The First 50 belongs to the First range. The First 50 is as well listed, on Boat-Specs.com, in version Deep draft.

Bénéteau First 50 Bénéteau First 50 layoutBénéteau First 50 layoutBénéteau First 50 layoutBénéteau First 50 sailingBénéteau First 50 sailingBénéteau First 50 sailingBénéteau First 50 sailingBénéteau First 50 cockpitBénéteau First 50 accommodationsBénéteau First 50 accommodationsBénéteau First 50 accommodations
First 50's   Main Features
Model First 50
Version Standard
Type of hull Monohull
Category Cruiser-racer sailboat
Shipyard
Designer Philippe Briand
Range First
Construction Hull:
monolithic fiberglass / polyester
Deck:
sandwich balsa / fiberglass / polyester
First built hull 2006
Last built hull Discontinued
Appendages Keel :
T-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
276 000
(2007)
First 50's   Main dimensions
Length overall 49’ 2”
Hull length 43’ 6”
Waterline length 43’ 6”
Beam (width) 14’ 6”
Draft 7’ 11”
Mast height from DWL 73’ 4”
Light displacement 29950 lbs
Ballast weight 10516 lbs
Ballast type Cast iron
French customs tonnage 26.00 Tx
First 50's   Rig and sails
Upwind sail area 1493 sq.ft
Downwind sail area 2461 sq.ft
Mainsail area 738 sq.ft
Genoa area 755 sq.ft
Symetric spinnaker area 1722 sq.ft
Rigging type Sloop Marconi 9/10
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 3
Spreaders angle Swept-back
IiFore triangle height (from mast foot to fore stay attachment) 62’ 5”
JiFore triangle base (from mast foot to bottom of forestay) 17’ 7”
PiMainsail hoist measurement (from tack to head) 60’ 8”
EiMainsail foot measurement (from tack to clew) 21’ 4”
First 50'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.
24.36
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.
40.15
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.
165
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.
35 %
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.
8.83 knots
First 50's   Auxiliary engine
Engine(s) 1
Engine type Inboard engine
Engine 75 HP
Fuel type Diesel
Fuel tank capacity 62.6 gal
First 50's   Accommodation
Cabin(s) 3
Berth(s) (min/max) 6 / 8
Head(s) 2
Fresh water tank capacity 150 gal
Water heater capacity 10.6 gal
Holding tank capacity 21.1 gal
Fridge/ice-box capacity 42.3 gal
Chart table 4’ 7”
Maximum headroom 6’ 7”
Galley headroom 6’ 7”
Head headroom 6’ 5”
First 50's   Saloon
Maximum headroom 6’ 7”
Berth length 6’ 6”
Berth width 2’
First 50's   Fore cabin
Maximum headroom 6’ 4”
Berth length 6’ 7”
Berth width 4’ 11”
First 50's   Aft cabin
Maximum headroom 6’ 6”
Berth length 6’ 7”
Berth width 4’ 7”3’ 11”

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