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Sailboat specifications and datasheets

Sun Liberty 34 shoal draft

The Sun Liberty 34, here in "shoal draft" version, is a 32’8” offshore monohull sailboat designed by Daniel Andrieu. She was built by Jeanneau (France) and made of GRP (glass reinforced polyester). This sailboat was produced between 1989 and 1992 with 284 hulls completed.

The Sun Liberty 34 is as well listed, on Boat-Specs.com, in version Standard.

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Sun Liberty 34's   Main Features
Model Sun Liberty 34
Version Shoal draft
Type of hull Monohull
Category Cruising sailboat
Shipyard
Designer Daniel Andrieu
Construction GRP (glass reinforced polyester)
First built hull 1989
Last built hull 1992
Number of hulls built 284
Appendages Keel :
L-shaped keel (with bulb)
Helm 1 wheel
Rudder 1 spade rudder
Cockpit Closed aft cockpit
Unsinkable No
Trailerable No
French navigation category 1
Standard public price ex. VAT (indicative only) N/A
Sun Liberty 34's   Main dimensions
Length overall 33’ 10”
Hull length 32’ 8”
Waterline length 26’ 5”
Beam (width) 11’ 6”
Waterline beam (width) 8’ 8”
Draft 4’ 11”
Light displacement 10362 lbs
Ballast weight 3351 lbs
Sun Liberty 34's   Rig and sails
Upwind sail area 661 sq.ft
Downwind sail area 1102 sq.ft
Mainsail area 287 sq.ft
Genoa area 374 sq.ft
Symetric spinnaker area 815 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 Swept-back
IiFore triangle height (from mast foot to fore stay attachment) 40’ 8”
JiFore triangle base (from mast foot to bottom of forestay) 11’ 7”
PiMainsail hoist measurement (from tack to head) 34’ 5”
EiMainsail foot measurement (from tack to clew) 13’ 7”
Sun Liberty 34'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.
21.88
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.
36.49
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.
256
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.
32 %
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.
6.88 knots
Sun Liberty 34's   Auxiliary engine
Engine(s) 1
Engine type Inboard engine
Engine (min/max) 18 HP / 27 HP
Fuel type Diesel
Fuel tank capacity 26.4 gal
Sun Liberty 34's   Accommodation
Cabin(s) 2
Berth(s) (min/max) 4 / 6
Head(s) 2
Fresh water tank capacity 66 gal
Water heater capacity 11.1 gal
Fridge/ice-box capacity 21.1 gal
Chart table 2’ 6” x 1’ 10”
Maximum headroom 6’ 7”
Galley headroom 6’ 5”
Head headroom 6’
Sun Liberty 34's   Saloon
Maximum headroom 6’ 1”
Sun Liberty 34's   Fore cabin
Maximum headroom 6’ 1”
Berth length 6’ 5”
Berth width 5’ 1”
Sun Liberty 34's   Aft cabin
Maximum headroom 6’ 2”
Berth length 6’ 4”
Berth width 4’ 10”

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