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Sailboat specifications and datasheets

Diam 3

The Diam 3 is a 18’1” double handed beach catamaran designed by Bertrand Desjoyeaux. She was built by ADH Inotec (France) and made of sandwich foam / fiberglass / polyester. This sailboat was produced between 2003 and 2007.

The Diam 3 belongs to the F18 class.

ADH Inotec Diam 3 ADH Inotec Diam 3 ADH Inotec Diam 3
Diam 3's   Main Features
Model Diam 3
Type of hull Catamaran
Shipyard
Designer Bertrand Desjoyeaux
Class F18
Construction Hulls and deck:
sandwich foam / fiberglass / polyester
First built hull 2003
Last built hull 2007
Appendages Centerboard :
Twin daggerboards
Helm 1 tiller
Rudder 2 semi-spade rudders
Unsinkable No
Trailerable Yes
EC certification C
Standard public price (indicative only) N/A
Diam 3's   Main dimensions
Hull length 18’ 1”
Beam (width) 8’ 6”
Draft 3’ 1”
Light displacement 397 lbs
Diam 3's   Rig and sails
Upwind sail area 228 sq.ft
Downwind sail area 409 sq.ft
Mainsail area 183 sq.ft
Jib area 45 sq.ft
Asymetric spinnaker area 226 sq.ft
Rigging type Sloop Marconi fractional
Spars Mast and boom in Aluminum
Standing rigging Continuous
Number of levels of spreaders 1
Spreaders angle Swept-back (diamond)
Diam 3's   Performances
Crew 2
Trapezes 2 set(s)
PY (Portsmouth Yardstick) ratingiPortsmouth Yardstick is an empirical system of handicapping used for small sailboat (dinghies included). 693
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.
66.34
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.
119.20

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