The
Oyster 625 is a 62’5” (19.03m) cruising sailboat designed by
Humphreys Yacht Design (United Kingdom). She was built between 2011 and 2019 by
Oyster (United Kingdom). The
Shoal draft version features a shorter keel to grant access to shallow areas. She has been awarded "
2012 - European Yacht of the Year: Luxury Cruiser".
The
Oyster 625 is as well listed, on Boat-Specs.com, in
Standard and
Keel and centerboard version (
see all the versions compared).
Oyster 625's main features
Model
Oyster 625
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
2011
Last built hull
2019
Award(s)
- 2012: European Yacht of the Year: Luxury Cruiser
Appendages
Keel : L-shaped keel (with bulb)
Helm
Twin helm wheels
Rudder
Single rudder on skeg
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 < 0,5mA
Standard public price ex. VAT (indicative only)
Oyster 625's main dimensions
Overall length
63’ 6”19.37 m
Hull length
62’ 5”19.03 m
Waterline length
56’ 7”17.24 m
Beam (width)
17’ 10”5.44 m
Draft
7’ 1”2.15 m
Mast height from DWL
89’ 2”27.2 m
Light displacement (MLC)
77823 lb35300 kg
Oyster 625's rig and sails
Upwind sail area
2539 ft²235.9 m²
Rigging type
Sloop Marconi 19/20
Mast configuration
Deck stepped mast
Rotating spars
No
Number of levels of spreaders
3
Spreaders angle
Swept-back
Spars construction
Aluminum spars
Oyster 625'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.236 ft²/T21.92 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.195
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 1.34.10.08 knots
Oyster 625's auxiliary engine
Engine(s)
1 inboard engine
Engine(s) power
180 HP
Fuel type
Diesel
Fuel tank capacity
475.5 gal1800 liters
Oyster 625's accommodations and layout
Cockpit
Center cockpit
Cabin(s) (min./max.)
4 / 5
Berth(s) (min./max.)
8 / 11
Head(s)
3
Freshwater tank capacity
317 gal1200 liters
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