Detailed sailboat specifications and datasheets since 2015
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Oyster Heritage 37

Sailboat specifications

The Oyster Heritage 37 is a 37’ (11.28m) cruising sailboat designed by Holman & Pye (United Kingdom). She was built between 1984 and 1989 by Oyster (United Kingdom) with 32 hulls completed.

Oyster Heritage 37's main features

Model
Oyster Heritage 37
Hull type
Monohull
Category
Offshore cruising sailboat
Sailboat builder
Sailboat designer
Country
United Kingdom
Construction
Hull and deck: GRP (glass reinforced polyester)
Number of hulls built
32
First built hull
1984
Last built hull
1989
Appendages
Keel : fin without bulb
Helm
Single helm wheel
Rudder
Single rudder on skeg
Unsinkable
No
Trailerable
No
Standard public price ex. VAT (indicative only)
N/A

Oyster Heritage 37's main dimensions

Hull length
37’11.28 m
Waterline length
31’ 4”9.53 m
Beam (width)
12’3.66 m
Draft
5’ 4”1.62 m
Light displacement (MLC)
14539 lb6595 kg
Ballast weight
5997 lb2720 kg

Oyster Heritage 37's rig and sails

Upwind sail area
610 ft²56.67 m²
Rigging type
Sloop Marconi masthead
Rotating spars
No
Number of levels of spreaders
1
Spreaders angle
0 °
Spars construction
Aluminum spars
Standing rigging
1x19 strand wire continuous

Oyster Heritage 37's performances

Upwind sail area to displacement
 iThe 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 25 it indicates a fast sailboat.
173 ft²/T16.11 m²/T
Displacement-length ratio (DLR)
 iThe Displacement Length Ratio (DLR) is a figure that points out the boat's weight compared to its waterline length. The 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.
216
Ballast ratio
 iThe Ballast ratio is an indicator of stability; it is obtained by dividing the boat's displacement by the mass of the ballast. Since the stability depends also of the hull shapes and the position of the center of gravity, only the boats with similar ballast arrangements and hull shapes should be compared.

The higher the ballast ratio is, the greater is the stability.
41 %
Critical hull speed
 iAs 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 inboard engine
Fuel type
Diesel

Oyster Heritage 37's accommodations and layout

Cockpit
Closed aft cockpit
Cabin(s)
2
Berth(s) (min./max.)
4 / 6
Head(s)
1
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