Detailed sailboat specifications and datasheets since 2015
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First 35.7 Lead keel

Sailboat specifications

The First 35.7 is a 34’7” (10.55m) cruiser-racer sailboat designed by Jean Berret (France). She was built since 1992 (and now discontinued) by Bénéteau (France). The Lead keel version displays a deep lead fin offering high righting moment and low drag.

The First 35.7 is as well listed, on Boat-Specs.com, in Wing keel and Deep draft version (see all the versions compared).

First 35.7's main features

Model
First 35.7
Version
Lead 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
1992
Last built hull
Discontinued
Appendages
Keel : fin without bulb
Helm
Single tiller
Rudder
Single spade rudder
Unsinkable
No
Trailerable
No
Former French navigation category
1
Standard public price ex. VAT (indicative only)
N/A

First 35.7's main dimensions

Overall length
35’ 7”10.85 m
Hull length
34’ 7”10.55 m
Waterline length
31’ 1”9.48 m
Beam (width)
12’ 6”3.8 m
Draft
6’ 5”1.95 m
Light displacement (MLC)
11684 lb5300 kg
Ballast weight
3748 lb1700 kg
Ballast type
Lead

First 35.7's rig and sails

Upwind sail area
765 ft²71.1 m²
Downwind sail area
1253 ft²116.4 m²
Mainsail area
360 ft²33.4 m²
Genoa area
406 ft²37.7 m²
Symmetric spinnaker area
893 ft²83 m²
Rigging type
Sloop Marconi 7/8
Mast configuration
Keel stepped mast
Rotating spars
No
Number of levels of spreaders
2
Spreaders angle
Swept-back
Spars construction
Aluminum spars
Standing rigging
1x19 strand wire discontinuous

First 35.7'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.
252 ft²/T23.39 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.
412 ft²/T38.29 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.
176
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.
32 %
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.
7.47 knots

First 35.7's auxiliary engine

Engine(s)
1 inboard engine
Engine(s) power
28 HP
Fuel type
Diesel
Fuel tank capacity
23.8 gal90 liters

First 35.7's accommodations and layout

Cockpit
Closed aft cockpit
Cabin(s) (min./max.)
2 / 3
Berth(s) (min./max.)
4 / 8
Head(s)
1
Freshwater tank capacity
79.3 gal300 liters
Fridge/ice-box capacity
26.4 gal100 liters
Boiler capacity
5.8 gal22 liters

First 35.7's fore cabin

Berth length
7’ 2”2.2 m
Berth width
5’ 7”1.7 m

First 35.7's aft cabin

Berth length
6’ 7”2 m
Berth width
4’ 7”1.4 m
Have you spotted incorrect data?  You can report it in the forum or contact the webmaster

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