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Sailboat specifications and datasheets

Daïmio

The Daïmio is a 20’4” monohull sailboat designed by François Sergent. She was built by CNSO (France) and made of GRP (glass reinforced polyester). This sailboat was produced between 1973 and 1983 with about 800 hulls completed.
CNSO  Daïmio CNSO  Daïmio sailplanCNSO  Daïmio layoutCNSO  Daïmio accommodations
Daïmio's   Main Features
Model Daïmio
Type of hull Monohull
Category Cruising sailboat
Shipyard
Designer François Sergent
Construction GRP (glass reinforced polyester)
First built hull 1973
Last built hull 1983
Number of hulls built About 800
Appendages Keel :
Fin without bulb
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
Daïmio's   Main dimensions
Length overall 23’
Hull length 20’ 4”
Waterline length 18’ 11”
Beam (width) 7’ 11”
Waterline beam (width) 6’ 7”
Draft 3’ 7”
Light displacement 3086 lbs
Ballast weight 1389 lbs
French customs tonnage 3.80 Tx
Daïmio's   Rig and sails
Upwind sail area 335 sq.ft
Downwind sail area 608 sq.ft
Mainsail area 124 sq.ft
Genoa area 212 sq.ft
Solent area 151 sq.ft
Jib area 109 sq.ft
Stormjib area 65 sq.ft
Symetric spinnaker area 484 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 1
Spreaders angle 0 °
Daïmio'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.
24.89
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.
45.15
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.
209
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.
5.82 knots
Daïmio's   Auxiliary engine
Engine(s) 1
Engine type Outboard or inboard engine
Engine (min/max) 4 HP / 9 HP
Fuel type Diesel for inboard engine, Gas for outboard
Fuel tank capacity 6.6 gal
Daïmio's   Accommodation
Berth(s) (min/max) 2 / 4
Fresh water tank capacity 13.2 gal
Maximum headroom 5’ 4”

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