Detailed sailboat specifications and datasheets since 2015
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First 35 - Berret Deep draft

Sailboat specifications

The First 35 - Berret is a 34’10” (10.6m) cruiser-racer sailboat designed by Jean Berret (France). She was built between 1979 and 1984 by Bénéteau (France) with 419 hulls completed. The Deep draft version displays a deeper fin allowing a lower center of gravity and extra performance especially upwind.

The First 35 - Berret is as well listed, on Boat-Specs.com, in Shoal draft version (see all the versions compared).

First 35 - Berret's main features

Model
First 35 - Berret
Version
Deep draft
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
Number of hulls built
419
First built hull
1979
Last built hull
1984
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 - Berret's main dimensions

Overall length
35’ 1”10.7 m
Hull length
34’ 10”10.6 m
Waterline length
30’9.15 m
Beam (width)
12’ 1”3.7 m
Draft
6’ 7”2.02 m
Light displacement (MLC)
10494 lb4760 kg
Ballast weight
4850 lb2200 kg
French customs tonnage
12.30 Tx

First 35 - Berret's rig and sails

Upwind sail area
763 ft²70.9 m²
Downwind sail area
1375 ft²127.7 m²
Mainsail area
300 ft²27.9 m²
Genoa area
463 ft²43 m²
Jib area
160 ft²14.86 m²
Stormjib area
83 ft²7.71 m²
Symmetric spinnaker area
1074 ft²99.8 m²
Rigging type
Sloop Marconi masthead
Mast configuration
Deck stepped mast
Rotating spars
No
Number of levels of spreaders
2
Spreaders angle
0 °
Spars construction
Aluminum spars
Standing rigging
1x19 strand wire

First 35 - Berret's performances

IOR rating
 iIOR, or International Offshore Rule, was a measurement rule system used internationally for ocean racing. It allows boats of different sizes and designs to race each other fairly. Therefore, by comparing these values, we can have an indication of the relative speed of 2 boats.
26.0
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.
270 ft²/T25.06 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.
486 ft²/T45.13 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.
46 %
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.
7.34 knots

First 35 - Berret's auxiliary engine

Engine(s)
1 inboard engine
Engine(s) power (min./max.)
15 HP / 25 HP
Fuel type
Diesel
Fuel tank capacity
26.4 gal100 liters

First 35 - Berret's accommodations and layout

Cockpit
Closed aft cockpit
Cabin(s)
2
Berth(s) (min./max.)
4 / 10
Head(s)
1
Freshwater tank capacity
114.9 gal435 liters
Maximum headroom
6’ 2”1.9 m
Have you spotted incorrect data?  You can report it in the forum or contact the webmaster

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First built hull
Hull length
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1980
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First 35.7 Deep draft (Bénéteau)
1992
34’ 7”10.55 m
First 36.7 Deep draft (Bénéteau)
2002
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First 305 Deep draft (Bénéteau)
1984
30’ 8”9.35 m
First 32 Deep draft (Bénéteau)
1980
31’ 6”9.6 m
First 325 Deep draft (Bénéteau)
1984
32’ 6”9.9 m
First 30E Deep draft (Bénéteau)
1981
30’ 4”9.25 m
First 36s7 Deep draft (Bénéteau)
1995
34’ 5”10.49 m
First 345 Deep draft (Bénéteau)
1983
34’ 7”10.55 m
First 35 - Berret Shoal draft (Bénéteau)
1979
34’ 10”10.6 m
First 31.7 Deep draft (Bénéteau)
1997
31’ 2”9.5 m
First 35 - Farr Deep draft (Bénéteau)
2010
35’10.66 m
First 375 Deep draft (Bénéteau)
1985
37’11.27 m
First 38 Deep draft (Bénéteau)
1982
38’ 6”11.75 m
First 405 Deep draft (Bénéteau)
1985
39’ 4”11.99 m
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