Detailed sailboat specifications and datasheets since 2015
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Oyster 575 Standard

Sailboat specifications

The Oyster 575 is a 57’6” (17.53m) cruising sailboat designed by Humphreys Yacht Design (United Kingdom). She was built between 2010 and 2017 by Oyster (United Kingdom).

The Oyster 575 is as well listed, on Boat-Specs.com, in Keel and centerboard and Shoal draft version (see all the versions compared).

Oyster 575's main features

Model
Oyster 575
Version
Standard
Hull type
Monohull
Category
Offshore deck saloon cruising sailboat
Sailboat builder
Sailboat designer
Country
United Kingdom
Construction
Hull and deck: GRP (glass reinforced polyester)
First built hull
2010
Last built hull
2017
Appendages
Keel : L-shaped keel (with bulb)
Helm
Twin helm wheels
Rudder
Single spade rudder
Unsinkable
No
Trailerable
No
EC design category
 iThe CE design category indicates the ability to cope with certain weather conditions (the sailboat is designed for these conditions)

A: Wind < force 9, Waves < 10m
B: Wind < force 8, Waves < 8m
C: Wind < force 6, Waves < 4m
D: Wind < force 4, Waves < 0,5m
A
Standard public price ex. VAT (indicative only)
About 
1 820 000
 (2016)

Oyster 575's main dimensions

Overall length
58’ 8”17.89 m
Hull length
57’ 6”17.53 m
Waterline length
51’ 7”15.72 m
Beam (width)
16’ 5”5 m
Draft
8’ 11”2.7 m
Mast height from DWL
82’25 m
Light displacement (MLC)
60076 lb27250 kg
Ballast weight
17857 lb8100 kg
Ballast type
Lead

Oyster 575's rig and sails

Upwind sail area
2097 ft²194.8 m²
Rigging type
Sloop Marconi masthead
Mast configuration
Deck stepped mast
Rotating spars
No
Number of levels of spreaders
3
Spreaders angle
Swept-back
Spars construction
Aluminum spars

Oyster 575'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.
232 ft²/T21.51 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.
199
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.
30 %
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.
9.62 knots

Oyster 575's auxiliary engine

Engine(s)
1 inboard engine
Engine(s) power
150 HP
Fuel type
Diesel
Fuel tank capacity
343.4 gal1300 liters

Oyster 575's accommodations and layout

Cockpit
Center cockpit
Cabin(s) (min./max.)
3 / 4
Berth(s) (min./max.)
6 / 10
Head(s)
2
Freshwater tank capacity
251 gal950 liters
Have you spotted incorrect data?  You can report it in the forum or contact the webmaster

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2010
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