Sailboat specifications and datasheets

Oyster Heritage 37

The Oyster Heritage 37 is a 37’ monohull sailboat designed by Kim Holman and Donald Pye. She was built by Oyster (United Kingdom) and made of GRP (glass reinforced polyester). This sailboat was produced between 1984 and 1989 with 32 hulls completed.
Oyster Heritage 37 Oyster Heritage 37 sailingOyster Heritage 37 sailingOyster Heritage 37 sailingOyster Heritage 37 sailing
Oyster Heritage 37's   Main Features
Model Oyster Heritage 37
Type of hull Monohull
Category Offshore cruising sailboat
Designer Kim Holman
Donald Pye
Construction GRP (glass reinforced polyester)
First built hull 1984
Last built hull 1989
Number of hulls built 32
Appendages Keel :
Fin without bulb
Helm 1 wheel
Rudder 1 rudder on skeg
Cockpit Closed aft cockpit
Unsinkable No
Trailerable No
Standard public price ex. VAT (indicative only) N/A
Oyster Heritage 37's   Main dimensions
Hull length 37’
Waterline length 31’ 4”
Beam (width) 12’
Draft 5’ 4”
Light displacement 14539 lbs
Ballast weight 5997 lbs
Oyster Heritage 37's   Rig and sails
Upwind sail area 610 sq.ft
Rigging type Sloop Marconi masthead
Rotating spars No
Spars Mast and boom in Aluminum
Standing rigging 1x19 strand wire continuous
Number of levels of spreaders 1
Spreaders angle 0 °
Oyster Heritage 37'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.
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.
7.49 knots
Oyster Heritage 37's   Auxiliary engine
Engine(s) 1
Engine type Inboard engine
Fuel type Diesel
Oyster Heritage 37's   Accommodation
Cabin(s) 2
Berth(s) (min/max) 4 / 6
Head(s) 1

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