Sailboat specifications and datasheets

Gib'Sea 264

The Gib'Sea 264 is a 25’5” monohull sailboat designed by Michel Joubert and Bernard Nivelt. She was built by Gibert Marine (France) and made of monolithic fiberglass / polyester. This sailboat was produced between 1995 and 1996 with about 40 hulls completed.
Gibert Marine Gib'Sea 264 Gibert Marine Gib'Sea 264 sailplanGibert Marine Gib'Sea 264 layoutGibert Marine Gib'Sea 264 sailingGibert Marine Gib'Sea 264 sailingGibert Marine Gib'Sea 264 accommodations
Gib'Sea 264's   Main Features
Model Gib'Sea 264
Type of hull Monohull
Category Cruising sailboat
Designer Michel Joubert
Bernard Nivelt
Construction Hull:
monolithic fiberglass / polyester
sandwich fiberglass / polyester
First built hull 1995
Last built hull 1996
Number of hulls built About 40
Appendages Keel (lifting) :
Swing keel
Helm 1 tiller
Rudder 1 transom hung rudder
Cockpit Closed aft cockpit
Unsinkable No
Trailerable No
French navigation category 2
Standard public price ex. VAT (indicative only) N/A
Gib'Sea 264's   Main dimensions
Length overall 26’ 2”
Hull length 25’ 5”
Waterline length 23’ 1”
Beam (width) 9’ 8”
Waterline beam (width) 7’ 8”
Draft 6’ 8”
Draft when appendages up 2’ 7”
Mast height from DWL 40’ 5”
Fore freeboard 4’ 5”
Mid-ship freeboard 3’ 1”
Light displacement 4189 lbs
Ballast weight 1764 lbs
Ballast type Cast iron
Gib'Sea 264's   Rig and sails
Upwind sail area 393 sq.ft
Mainsail area 242 sq.ft
Genoa area 151 sq.ft
Rigging type Sloop Marconi 9/10
Rotating spars No
Mast position Deck stepped mast
Spars Mast and boom in Aluminum
Standing rigging 1x19 strand wire continuous
Number of levels of spreaders 1
Spreaders angle Swept-back
Gib'Sea 264'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.
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.
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.
42 %
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.
6.44 knots
Gib'Sea 264's   Auxiliary engine
Engine(s) 1
Engine type Outboard or inboard engine
Engine 9 HP
Fuel type Diesel for inboard engine, Gas for outboard
Fuel tank capacity 15.9 gal
Gib'Sea 264's   Accommodation
Cabin(s) 1
Berth(s) (min/max) 2 / 6
Head(s) 1
Fresh water tank capacity 15.9 gal
Fridge/ice-box capacity 14.5 gal
Maximum headroom 5’ 11”
Gib'Sea 264's   Saloon
Maximum headroom 5’ 8”
Berth length 6’ 7”
Berth width 1’ 10”
Gib'Sea 264's   Fore cabin
Berth length 6’ 7”
Berth width 4’ 1”
Gib'Sea 264's   Aft cabin
Berth length 6’ 7”
Berth width (head/feet) 4’ 8”
2’ 6”

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