Oyster 575 Shoal draft
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 Shoal draft version features a shorter keel to grant access to shallow areas.
The Oyster 575 is as well listed, on Boat-Specs.com, in Standard and Keel and centerboard version (see all the versions compared).
The Oyster 575 is as well listed, on Boat-Specs.com, in Standard and Keel and centerboard version (see all the versions compared).
Oyster 575's main features
- Model
- Oyster 575
- Version
- Shoal draft
- 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 categoryiThe 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)
- About1 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
- 6’ 10”2.06 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 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 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 ratioiThe 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 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. - 9.62 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
Oyster 575 interior and accommodations - - 11/18
Picture extracted from the commercial documentation © Oyster
Picture extracted from the commercial documentation © Oyster
Oyster 575 interior and accommodations - - 12/18
Picture extracted from the commercial documentation © Oyster
Picture extracted from the commercial documentation © Oyster
Oyster 575 interior and accommodations - - 13/18
Picture extracted from the commercial documentation © Oyster
Picture extracted from the commercial documentation © Oyster
Oyster 575 interior and accommodations - - 14/18
Picture extracted from the commercial documentation © Oyster
Picture extracted from the commercial documentation © Oyster
Oyster 575 interior and accommodations - - 15/18
Picture extracted from the commercial documentation © Oyster
Picture extracted from the commercial documentation © Oyster
Oyster 575 interior and accommodations - - 16/18
Picture extracted from the commercial documentation © Oyster
Picture extracted from the commercial documentation © Oyster
Oyster 575 interior and accommodations - - 17/18
Picture extracted from the commercial documentation © Oyster
Picture extracted from the commercial documentation © Oyster
Oyster 575 interior and accommodations - - 18/18
Picture extracted from the commercial documentation © Oyster
Picture extracted from the commercial documentation © Oyster
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