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Sailboat specifications and datasheets

First 36.7 deep draft

The First 36.7, here in "deep draft" version, is a 35’ monohull sailboat designed by Bruce Farr. She was built by Bénéteau (France) and made of monolithic fiberglass / polyester. This sailboat was produced between 2002 and 2008 with about 800 hulls completed.

The First 36.7 belongs to the First range. The First 36.7 is as well listed, on Boat-Specs.com, in version Shoal draft.

Bénéteau First 36.7 Bénéteau First 36.7 sailplanBénéteau First 36.7 layoutBénéteau First 36.7 sailingBénéteau First 36.7 sailingBénéteau First 36.7 accommodations
First 36.7's   Main Features
Model First 36.7
Version Deep draft
Type of hull Monohull
Shipyard
Designer Bruce Farr
Range First
Construction Hull:
monolithic fiberglass / polyester
Deck:
sandwich balsa / fiberglass / polyester
First built hull 2002
Last built hull 2008
Number of hulls built About 800
Appendages Keel :
Fin with bulb
Helm 1 wheel
Rudder 1 spade rudder
Unsinkable No
Trailerable No
EC certification A
Standard public price ex. VAT (indicative only) N/A
First 36.7's   Main dimensions
Length overall 36’
Hull length 35’
Waterline length 30’ 4”
Beam (width) 11’ 4”
Draft 7’ 2”
Mast height from DWL 55’ 10”
Light displacement 12941 lbs
Ballast weight 3851 lbs
Ballast type Lead
French customs tonnage 11.75 Tx
First 36.7's   Rig and sails
Upwind sail area 833 sq.ft
Downwind sail area 1419 sq.ft
Mainsail area 397 sq.ft
Genoa area 436 sq.ft
Symetric spinnaker area 1023 sq.ft
Rigging type Sloop Marconi 9/10
Spars Mast and boom in Aluminum
Number of levels of spreaders 2
Spreaders angle 20 °
IiFore triangle height (from mast foot to fore stay attachment) 46’ 5”
JiFore triangle base (from mast foot to bottom of forestay) 13’
PiMainsail hoist measurement (from tack to head) 45’ 5”
EiMainsail foot measurement (from tack to clew) 15’ 7”
First 36.7's   Performances
HN (French rating) 26.5
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.
23.78
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.
40.52
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.
211
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.
30 %
Prismatic coefficientiThe prismatic coefficient is obtained by dividing the volume of the boat (mass divided by the density of water) by the waterline length multiplied by the area of the maximum transverse section.
This coefficient describes the effectiveness of a sailboat for a certain speed range: lower is the coefficient (<0.45), more effective the yacht is below its hull speed; higher the coefficient is, more the boat is suitable for planning speed.
0.57
Righting moment @ 30°iThe righting moment is a moment (torque) that tends to restore a boat to its previous position after a rotational displacement. Its value corresponds to the torque needed to heel the boat for this angle.
Higher the righting moment is for an angle, greater is the stability at this angle.
28932 lbs.ft
Maximum righting momentiThe righting moment is a moment (torque) that tends to restore a boat to its previous position after a rotational displacement. Its value corresponds to the torque needed to heel the boat for this angle.
Higher the righting moment is for an angle, greater is the stability at this angle.
36165 lbs.ft @ 55.00 °
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.
7.37 knots
First 36.7's   Auxiliary engine
Engine(s) 1
Engine type Inboard engine
Engine (min/max) 29 HP
Fuel type Diesel
Fuel tank capacity 19.8 gal
First 36.7's   Accommodation
Cabin(s) 3
Berth(s) (min/max) 6 / 8
Head(s) 1
Fresh water tank capacity 71.9 gal
Water heater capacity 5.8 gal
Holding tank capacity 23.2 gal
Fridge/ice-box capacity 23.8 gal
Chart table 2’ 4” x 2’
Maximum headroom 6’ 5”
Galley headroom 6’ 5”
Head headroom 5’ 11”
First 36.7's   Saloon
Maximum headroom 6’ 2”
Berth length 6’ 5”
Berth width 1’ 7”
First 36.7's   Fore cabin
Maximum headroom 6’ 2”
Berth length 6’ 5”
Berth width 4’ 7”
First 36.7's   Aft cabin
Maximum headroom 6’ 2”
Berth length 6’ 6”
Berth width 4’ 4”

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