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Sailboat specifications and datasheets

Alizé

The Alizé is a 19’10” coastal monohull sailboat designed by Ericus Gerhardus Van De Stadt. She was built by Jeanneau (France) and made of GRP (glass reinforced polyester). This sailboat was produced between 1964 and 1975 with about 350 hulls completed.
Jeanneau Alizé Jeanneau Alizé sailplanJeanneau Alizé layoutJeanneau Alizé sailingJeanneau Alizé sailingJeanneau Alizé sailingJeanneau Alizé accommodations
Alizé's   Main Features
Model Alizé
Type of hull Monohull
Category Dayboat
Shipyard
Designer Ericus Gerhardus Van De Stadt
Construction GRP (glass reinforced polyester)
First built hull 1964
Last built hull 1975
Number of hulls built About 350
Appendages Centerboard :
Centerboard in the keel
Helm 1 tiller
Rudder 1 transom hung rudder
Cockpit Aft cockpit
Unsinkable No
Trailerable Yes
French navigation category 4
Standard public price ex. VAT (indicative only) N/A
Alizé's   Main dimensions
Hull length 19’ 10”
Waterline length 18’
Beam (width) 6’ 8”
Draft 3’ 11”
Draft when appendages up 1’ 4”
Light displacement 992 lbs
Ballast weight 265 lbs
French customs tonnage 2.62 Tx
Alizé's   Rig and sails
Upwind sail area 201 sq.ft
Downwind sail area 320 sq.ft
Mainsail area 126 sq.ft
Genoa area 75 sq.ft
Jib area 54 sq.ft
Symetric spinnaker area 194 sq.ft
Rigging type Sloop Marconi 3/4
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
Alizé'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.
31.84
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.
50.58
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.
77
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.
27 %
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.
5.69 knots
Alizé's   Auxiliary engine
Engine(s) 1
Engine type Outboard engine
Engine (min/max) 3 HP / 10 HP
Fuel type Gas
Alizé's   Accommodation
Berth(s) (min/max) 2 / 4
Maximum headroom 4’ 1”

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