Detailed sailboat specifications and datasheets since 2015
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First 25 - 2013 Swing keel

Sailboat specifications

The First 25 - 2013 is a 24’7” (7.5m) cruiser-racer sailboat designed by Finot Conq Architectes (France). She was built between 2013 and 2018 by Bénéteau (France). The Swing keel version adopts an appendage configuration without compromise between draft and performance. The only drawbacks are the space taken inside and the price of the system...

The First 25 - 2013 is as well listed, on Boat-Specs.com, in Shoal draft version (see all the versions compared).

First 25 - 2013's main features

Model
First 25 - 2013
Version
Swing keel
Hull type
Monohull
Category
Cruiser-racer sailboat
Sailboat builder
Sailboat designer
Sailboat range
Country
France
Construction
GRP (glass reinforced polyester):
- Hull: Single skin fiberglass polyester
- Deck: Sandwich balsa fiberglass polyester
First built hull
2013
Last built hull
2018
Appendages
Lifting keel : swing keel
Helm
Single tiller
Rudder
Twin transom hung rudders
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
C
Standard public price ex. VAT (indicative only)
About 
45 900
 (2017)

First 25 - 2013's main dimensions

Overall length
25’ 11”7.9 m
Hull length
24’ 7”7.5 m
Waterline length
24’ 1”7.35 m
Beam (width)
9’2.75 m
Draft
6’ 1”1.85 m
Draft when appendages up
2’ 10”0.85 m
Light displacement (MLC)
4740 lb2150 kg
Ballast weight
1367 lb620 kg
Ballast type
Cast iron

First 25 - 2013's rig and sails

Upwind sail area
418 ft²38.8 m²
Downwind sail area
866 ft²80.5 m²
Mainsail area
264 ft²24.5 m²
Jib area
154 ft²14.3 m²
Asymmetric spinnaker area
603 ft²56 m²
Code 0 area
268 ft²24.9 m²
I
 iFore triangle height (from mast foot to fore stay top attachment)
30’ 1”9.17 m
J
 iFore triangle base (from mast foot to bottom of forestay)
9’ 10”3 m
P
 iMainsail hoist measurement (from tack to head)
31’ 2”9.5 m
E
 iMainsail foot measurement (from tack to clew)
12’ 10”3.9 m
Rigging type
Sloop Marconi 9/10
Mast configuration
Deck stepped mast
Rotating spars
No
Number of levels of spreaders
1
Spreaders angle
Swept-back
Spars construction
Aluminum spars
Standing rigging
1x19 strand wire continuous

First 25 - 2013'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.
251 ft²/T23.29 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.
520 ft²/T48.32 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.
153
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.
29 %
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.
6.58 knots

First 25 - 2013's auxiliary engine

Engine(s)
1 inboard engine
Engine(s) power
14 HP
Fuel type
Diesel
Fuel tank capacity
7.9 gal30 liters

First 25 - 2013's accommodations and layout

Cockpit
Closed aft cockpit
Cabin(s)
1
Berth(s) (min./max.)
2 / 4
Head(s)
1
Freshwater tank capacity
10.6 gal40 liters
Holding tank capacity
13.2 gal50 liters
Fridge/ice-box capacity
13.2 gal50 liters
Maximum headroom
5’ 10”1.77 m
Galley headroom
5’ 4”1.62 m

First 25 - 2013's saloon

Maximum headroom
5’ 7”1.7 m
Berth length
6’ 5”1.95 m
Chart table
2’ 4”0.7 m x 2’0.6 m
Berth width
2’0.6 m

First 25 - 2013's fore cabin

Maximum headroom
5’ 1”1.56 m
Berth length
6’ 2”1.9 m
Berth width
4’ 11”1.5 m
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