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Sailboat specifications and datasheets

Contest 58

The Contest 58 is a 58’ monohull sailboat designed by Douglas Peterson and Dick Zaal. She was built by Conyplex (Netherlands) and made of single skin fiberglass / polyester. This sailboat was produced between 1992 and 1993.

The Contest 58 belongs to the Contest Yachts range.

Conyplex  Contest 58 Conyplex  Contest 58 sailplanConyplex  Contest 58 layout
Contest 58's   Main Features
Model Contest 58
Type of hull Monohull
Category Offshore cruising sailboat
Shipyard
Designer Douglas Peterson
Dick Zaal
Range Contest Yachts
Construction Hull:
single skin fiberglass / polyester
Deck:
sandwich balsa / fiberglass / polyester
First built hull 1992
Last built hull 1993
Appendages Keel :
Fin without bulb
Helm 1 wheel
Rudder 1 rudder on skeg
Cockpit Central cockpit
Unsinkable No
Trailerable No
Standard public price ex. VAT (indicative only)
N/A
Contest 58's   Main dimensions
Length overall 58’
Hull length 58’
Waterline length 48’ 8”
Beam (width) 16’ 5”
Draft 7’ 6”
Light displacement 70548 lbs
Ballast weight 28660 lbs
Ballast type Cast iron
Contest 58's   Rig and sails
Upwind sail area 2186 sq.ft
Downwind sail area 4048 sq.ft
Mainsail area 894 sq.ft
Genoa area 1292 sq.ft
Symmetric spinnaker area 3154 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 2
Spreaders angle 0 °
Contest 58'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.
20.15
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.
37.31
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.
277
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.
41 %
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.
9.35 knots
Contest 58's   Auxiliary engine
Engine(s) 1
Engine type Inboard engine
Fuel type Diesel
Contest 58's   Accommodation
Cabin(s) (min/max) 3 / 4
Berth(s) (min/max) 6 / 10
Head(s) (min/max) 3 / 4

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