Sailboat specifications and datasheets

Idylle 10.50

The Idylle 10.50 is a 32’10” monohull sailboat designed by André Bénéteau. She was built by Bénéteau (France) and made of monolithic fiberglass / polyester. This sailboat was produced between 1985 and 1988.

The Idylle 10.50 belongs to the Idylle range.

Bénéteau Idylle 10.50 Bénéteau Idylle 10.50 sailplanBénéteau Idylle 10.50 layoutBénéteau Idylle 10.50 sailingBénéteau Idylle 10.50 sailingBénéteau Idylle 10.50 sailingBénéteau Idylle 10.50 cockpitBénéteau Idylle 10.50 accommodationsBénéteau Idylle 10.50 accommodationsBénéteau Idylle 10.50 accommodations
Idylle 10.50's   Main Features
Model Idylle 10.50
Type of hull Monohull
Category Cruising sailboat
Designer André Bénéteau
Range Idylle
Construction Hull:
monolithic fiberglass / polyester
sandwich balsa / fiberglass / polyester
First built hull 1985
Last built hull 1988
Appendages Keel :
Fin without bulb
Helm 1 wheel
Rudder 1 spade rudder
Cockpit Closed aft cockpit
Unsinkable No
Trailerable No
French navigation category 2
Standard public price ex. VAT (indicative only) N/A
Idylle 10.50's   Main dimensions
Length overall 34’ 5”
Hull length 32’ 10”
Waterline length 28’ 4”
Beam (width) 11’
Draft 4’ 10”
Light displacement 10141 lbs
Ballast weight 3307 lbs
Idylle 10.50's   Rig and sails
Upwind sail area 624 sq.ft
Mainsail area 242 sq.ft
Genoa area 382 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
Idylle 10.50'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.
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.
7.13 knots
Idylle 10.50's   Auxiliary engine
Engine(s) 1
Engine type Inboard engine
Engine 28 HP
Fuel type Diesel
Fuel tank capacity 23.8 gal
Idylle 10.50's   Accommodation
Cabin(s) 2
Berth(s) (min/max) 4 / 6
Head(s) 1
Fresh water tank capacity 60.8 gal

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