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Sailboat specifications and datasheets

Eolia 25 keel and centerboard

The Eolia 25, here in "keel and centerboard" version, is a 23’7” monohull sailboat designed by Philippe Briand. She was built by Jeanneau (France) and made of monolithic fiberglass / polyester. This sailboat was produced between 1985 and 1989 with 1288 hulls completed.

The Eolia 25 is as well listed, on Boat-Specs.com, in version Fin keel.

Jeanneau Eolia 25 Jeanneau Eolia 25 sailplanJeanneau Eolia 25 layoutJeanneau Eolia 25 layoutJeanneau Eolia 25 sailingJeanneau Eolia 25 accommodations
Eolia 25's   Main Features
Model Eolia 25
Version Keel and centerboard
Type of hull Monohull
Category Coastal cruising sailboat
Shipyard
Designer Philippe Briand
Construction Hull and deck:
monolithic fiberglass / polyester
First built hull 1985
Last built hull 1989
Number of hulls built 1288
Appendages Centerboard :
Centerboard in the keel
Helm 1 tiller
Rudder 1 transom hung rudder
Cockpit Closed aft cockpit
Unsinkable No
Trailerable No
French navigation category 3
Standard public price ex. VAT (indicative only) N/A
Eolia 25's   Main dimensions
Length overall 24’ 7”
Hull length 23’ 7”
Waterline length 21’ 8”
Beam (width) 9’ 2”
Draft 5’ 11”
Draft when appendages up 2’ 7”
Light displacement 4034 lbs
Ballast weight 1830 lbs
Ballast type Cast iron exterior ballast with steel centerboard
French customs tonnage 5.14 Tx
Eolia 25's   Rig and sails
Upwind sail area 323 sq.ft
Downwind sail area 579 sq.ft
Mainsail area 113 sq.ft
Genoa area 210 sq.ft
Solent area 147 sq.ft
Jib area 92 sq.ft
Stormjib area 41 sq.ft
Symetric spinnaker area 466 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 continuous
Number of levels of spreaders 1
Spreaders angle 0 °
IiFore triangle height (from mast foot to fore stay attachment) 29’ 11”
JiFore triangle base (from mast foot to bottom of forestay) 9’ 2”
PiMainsail hoist measurement (from tack to head) 24’ 11”
EiMainsail foot measurement (from tack to clew) 8’ 2”
Eolia 25's   Performances
HN (French rating) 8.0
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.
20.07
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.
35.98
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.
180
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.
45 %
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.
6.24 knots
Eolia 25's   Auxiliary engine
Engine(s) 1
Engine type Inboard engine
Engine (min/max) 7 HP / 10 HP
Fuel type Diesel
Eolia 25's   Accommodation
Cabin(s) 1
Berth(s) 4
Head(s) 1
Fresh water tank capacity 14.8 gal
Fridge/ice-box capacity 13.2 gal
Galley headroom 5’ 7”
Head headroom 5’ 8”
Eolia 25's   Saloon
Maximum headroom 5’ 4”
Saloon table length 3’ 8”
Saloon table width (min/max) 2’ 1”
Saloon width (min/max) 3’ 1” / 7’ 5”
Eolia 25's   Fore cabin
Berth length 7’ 2”
Berth width (head/elbows/knees/feet) 5’ 6”
4’ 7”
3’ 6”
1’ 7”
Eolia 25's   Aft cabin
Maximum headroom 5’ 8”
Berth length 6’ 6”
Berth width (head/elbows/knees/feet) 4’ 7”
4’ 1”
3’ 5”
2’ 7”

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