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Sailboat specifications and datasheets

Idylle 8.80 fin keel

The Idylle 8.80, here in "fin keel" version, is a 27’11” monohull sailboat designed by André Bénéteau. She was built by Bénéteau (France) and made of monolithic fiberglass / polyester. This sailboat was produced between 1982 and 1987 with about 150 hulls completed.

The Idylle 8.80 belongs to the Idylle range. The Idylle 8.80 is as well listed, on Boat-Specs.com, in version Twin keel.

Bénéteau Idylle 8.80 Bénéteau Idylle 8.80 sailplanBénéteau Idylle 8.80 layoutBénéteau Idylle 8.80 sailingBénéteau Idylle 8.80 sailingBénéteau Idylle 8.80 sailingBénéteau Idylle 8.80 cockpitBénéteau Idylle 8.80 accommodationsBénéteau Idylle 8.80 accommodationsBénéteau Idylle 8.80 accommodations
Idylle 8.80's   Main Features
Model Idylle 8.80
Version Fin keel
Type of hull Monohull
Category Motorsailer
Shipyard
Designer André Bénéteau
Range Idylle
Construction Hull:
monolithic fiberglass / polyester
Deck:
sandwich balsa / fiberglass / polyester
First built hull 1982
Last built hull 1987
Number of hulls built About 150
Appendages Keel :
Fin without bulb
Helm 1 tiller
Rudder 1 semi-spade rudder
Cockpit Closed aft cockpit
Unsinkable No
Trailerable No
French navigation category 2
Standard public price ex. VAT (indicative only) N/A
Idylle 8.80's   Main dimensions
Length overall 28’ 11”
Hull length 27’ 11”
Waterline length 24’
Beam (width) 9’ 10”
Draft 4’ 1”
Light displacement 7385 lbs
Ballast weight 2425 lbs
Idylle 8.80's   Rig and sails
Upwind sail area 411 sq.ft
Mainsail area 140 sq.ft
Genoa area 271 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 °
Idylle 8.80'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.
17.06
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.
244
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.
33 %
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.
6.56 knots
Idylle 8.80's   Auxiliary engine
Engine(s) 1
Engine type Inboard engine
Engine 30 HP
Fuel type Diesel
Fuel tank capacity 21.1 gal
Idylle 8.80's   Accommodation
Cabin(s) 1
Berth(s) (min/max) 3 / 5
Head(s) 1
Fresh water tank capacity 26.4 gal
Maximum headroom 6’
Idylle 8.80's   Aft cabin
Berth length 6’ 7”
Berth width 3’

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