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Sailboat specifications and datasheets

Gin Fizz

The Gin Fizz is a 37’5” offshore monohull sailboat designed by Michel Joubert. She was built by Jeanneau (France) and made of GRP (glass reinforced polyester). This sailboat was produced between 1974 and 1981 with 494 hulls completed.
Jeanneau Gin Fizz Jeanneau Gin Fizz sailplanJeanneau Gin Fizz layoutJeanneau Gin Fizz sailingJeanneau Gin Fizz sailingJeanneau Gin Fizz sailingJeanneau Gin Fizz accommodationsJeanneau Gin Fizz accommodationsJeanneau Gin Fizz accommodations
Gin Fizz's   Main Features
Model Gin Fizz
Type of hull Monohull
Category Offshore cruising sailboat
Shipyard
Designer Michel Joubert
Construction GRP (glass reinforced polyester)
First built hull 1974
Last built hull 1981
Number of hulls built 494
Appendages Keel :
Fin with bulb
Helm 1 wheel
Rudder 1 semi-spade rudder
Cockpit Central cockpit
Unsinkable No
Trailerable No
French navigation category 1
Standard public price ex. VAT (indicative only) N/A
Gin Fizz's   Main dimensions
Length overall 38’ 5”
Hull length 37’ 5”
Waterline length 30’
Beam (width) 12’ 4”
Draft 6’ 2”
Mast height from DWL 67’ 7”
Light displacement 15432 lbs
Ballast weight 5952 lbs
French customs tonnage 13.63 Tx
Gin Fizz's   Rig and sails
Upwind sail area 834 sq.ft
Downwind sail area 1475 sq.ft
Mainsail area 291 sq.ft
Genoa area 544 sq.ft
Solent area 291 sq.ft
Jib area 199 sq.ft
Stormjib area 97 sq.ft
Symetric spinnaker area 1184 sq.ft
Rigging type Sloop Marconi masthead
Rotating spars No
Mast position Deck stepped mast
Spars Mast and boom in Aluminum
Standing rigging 1x19 strand wire
Number of levels of spreaders 2
Spreaders angle 0 °
Gin Fizz's   Performances
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.
21.18
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.
37.44
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.
259
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.
39 %
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.
7.34 knots
Gin Fizz's   Auxiliary engine
Engine(s) 1
Engine type Inboard engine
Engine 30 HP
Fuel type Diesel
Fuel tank capacity 39.6 gal
Gin Fizz's   Accommodation
Cabin(s) 2
Berth(s) (min/max) 5 / 10
Head(s) 1
Fresh water tank capacity 79.3 gal
Fridge/ice-box capacity 29.1 gal
Maximum headroom 6’ 1”
Gin Fizz's   Saloon
Saloon table length 3’ 11”
Saloon table width 3’ 4”
Gin Fizz's   Aft cabin
Maximum headroom 4’ 7”

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