Detailed sailboat specifications and datasheets since 2015
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Jouët 1080 Deep draft

Sailboat specifications

The Jouët 1080 is a 35’5” (10.8m) cruising sailboat designed by Philippe Briand (France). She was built between 1983 and 1986 by Yachting France (France). The Deep draft version displays a deeper fin allowing a lower center of gravity and extra performance especially upwind.

The Jouët 1080 is as well listed, on Boat-Specs.com, in Shoal draft version (see all the versions compared).

Jouët 1080's main features

Model
Jouët 1080
Version
Deep draft
Hull type
Monohull
Category
Cruising 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
About 30
First built hull
1983
Last built hull
1986
Appendages
Keel : fin without bulb
Helm
Single tiller
Rudder
Single semi-spade rudder
Unsinkable
No
Trailerable
No
Former French navigation category
1
Standard public price ex. VAT (indicative only)
N/A

Jouët 1080's main dimensions

Hull length
35’ 5”10.8 m
Waterline length
31’9.45 m
Beam (width)
12’ 1”3.7 m
Draft
6’ 5”1.95 m
Light displacement (MLC)
12346 lb5600 kg
Ballast weight
5512 lb2500 kg
Ballast type
Cast iron

Jouët 1080's rig and sails

Upwind sail area
790 ft²73.4 m²
Downwind sail area
1542 ft²143.3 m²
Mainsail area
326 ft²30.3 m²
Genoa area
464 ft²43.1 m²
Symmetric spinnaker area
1216 ft²113 m²
J
 iFore triangle base (from mast foot to bottom of forestay)
14’4.28 m
P
 iMainsail hoist measurement (from tack to head)
42’12.8 m
E
 iMainsail foot measurement (from tack to clew)
13’ 6”4.1 m
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

Jouët 1080'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.
21.5
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.
251 ft²/T23.28 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.
489 ft²/T45.44 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.
188
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.
45 %
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.
7.46 knots

Jouët 1080's auxiliary engine

Engine(s)
1 inboard engine
Engine(s) power
35 HP
Fuel type
Diesel
Fuel tank capacity
26.4 gal100 liters

Jouët 1080's accommodations and layout

Cockpit
Closed aft cockpit
Cabin(s)
3
Berth(s)
6
Head(s)
1
Freshwater tank capacity
44.9 gal170 liters
Fridge/ice-box capacity
21.1 gal80 liters
Maximum headroom
6’ 6”1.97 m
Head headroom
6’1.82 m

Jouët 1080's saloon

Maximum headroom
6’ 1”1.87 m
Saloon table length
3’ 7”1.11 m
Saloon table width
3’ 1”0.94 m

Jouët 1080's fore cabin

Maximum headroom
5’ 10”1.77 m

Jouët 1080's aft cabin

Maximum headroom
6’1.83 m
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