Detailed sailboat specifications and datasheets since 2015
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First 10R Deep draft

Sailboat specifications

The First 10R is a 32’10” (9.99m) cruiser-racer sailboat designed by Farr Yacht Design (United States). She was built between 2005 and 2009 by Bénéteau (France) with 125 hulls completed. The Deep draft version features a deeper T-shaped keel to grant extra performance especially upwind.

The First 10R has also been marketed as First 34.7 and Bénéteau 34.7.

First 10R's main features

Model
First 10R
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
125
First built hull
2005
Last built hull
2009
Appendages
Keel : fin with bulb
Helm
Single helm wheel
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 10R's main dimensions

Overall length
34’10.36 m
Hull length
32’ 10”9.99 m
Waterline length
28’ 7”8.73 m
Beam (width)
11’ 1”3.37 m
Draft
6’ 7”2 m
Mast height from DWL
51’ 10”15.8 m
Light displacement (MLC)
9965 lb4520 kg
Ballast weight
3682 lb1670 kg
Ballast type
Lead
French customs tonnage
11.00 Tx

First 10R's rig and sails

Upwind sail area
757 ft²70.3 m²
Mainsail area
380 ft²35.3 m²
Genoa area
377 ft²35 m²
I
 iFore triangle height (from mast foot to fore stay top attachment)
43’ 2”13.17 m
J
 iFore triangle base (from mast foot to bottom of forestay)
12’3.67 m
P
 iMainsail hoist measurement (from tack to head)
42’12.8 m
E
 iMainsail foot measurement (from tack to clew)
14’ 8”4.49 m
Rigging type
Sloop Marconi 9/10
Mast configuration
Keel stepped mast
Rotating spars
No
Number of levels of spreaders
2
Spreaders angle
20 °
Spars construction
Aluminum spars
Standing rigging
Dyform

First 10R's performances

HN (French rating)
 iHN or "Handicap Nationale" is an empirical rating system used in France allowing various monohulls, of different sizes and designs, to race each other fairly. It is particularly suitable for cruiser and cruiser-racer. Therefore, by comparing these values, we can have an indication of the relative speed of 2 boats.
26.5
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.
277 ft²/T25.72 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.
192
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.
37 %
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.
7.17 knots

First 10R's auxiliary engine

Engine(s)
1 inboard engine
Engine(s) power
21 HP
Fuel type
Diesel
Fuel tank capacity
19.8 gal75 liters

First 10R's accommodations and layout

Cockpit
Closed aft cockpit
Cabin(s)
1
Berth(s)
5
Head(s)
1
Freshwater tank capacity
26.4 gal100 liters
Holding tank capacity
21.1 gal80 liters
Fridge/ice-box capacity
18.5 gal70 liters
Maximum headroom
5’ 11”1.8 m
Galley headroom
5’ 11”1.8 m
Head headroom
5’ 8”1.75 m

First 10R's saloon

Maximum headroom
5’ 11”1.8 m
Berth length
6’ 4”1.93 m
Berth width
1’ 7”0.5 m

First 10R's aft cabin

Maximum headroom
5’ 11”1.8 m
Berth length
6’ 5”1.95 m
Berth width
5’ 5”1.65 m
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