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Sailboat specifications and datasheets

Oyster 625 keel and centerboard

The Oyster 625, here in "keel and centerboard" version, is a 62’5” monohull sailboat designed by Rob Humphreys. She was built by Oyster (United Kingdom) and made of GRP (glass reinforced polyester). The production started in 2011 and has been awarded the title of "European Yacht of the Year - Category : Luxury Cruiser" in 2012.

The Oyster 625 is as well listed, on Boat-Specs.com, in version Standard and Shoal draft.

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Oyster 625's   Main Features
Model Oyster 625
Version Keel and centerboard
Type of hull Monohull
Category Offshore deck saloon cruising sailboat
Shipyard
Designer Rob Humphreys
Award 2012 European Yacht of the Year - Category : Luxury Cruiser
Construction GRP (glass reinforced polyester)
First built hull 2011
Last built hull Still in production
Appendages Centerboard :
Centerboard in the keel
Helm 2 wheels
Rudder 2 spade rudders
Cockpit Central cockpit
Unsinkable No
Trailerable No
EC certification A
Standard public price ex. VAT (indicative only) About
2 680 000
(2016)
Oyster 625's   Main dimensions
Length overall 63’ 6”
Hull length 62’ 5”
Waterline length 56’ 7”
Beam (width) 17’ 10”
Draft 13’ 11”
Draft when appendages up 6’
Mast height from DWL 89’ 2”
Light displacement 77823 lbs
Oyster 625's   Rig and sails
Upwind sail area 2539 sq.ft
Rigging type Sloop Marconi 19/20
Rotating spars No
Mast position Deck stepped mast
Spars Mast and boom in Aluminum
Number of levels of spreaders 3
Spreaders angle Swept-back
Oyster 625'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.
21.92
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.
195
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.
10.08 knots
Oyster 625's   Auxiliary engine
Engine(s) 1
Engine type Inboard engine
Engine 180 HP
Fuel type Diesel
Fuel tank capacity 475.5 gal
Oyster 625's   Accommodation
Cabin(s) (min/max) 4 / 5
Berth(s) (min/max) 8 / 11
Head(s) 3
Fresh water tank capacity 317 gal

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