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Sailboat specifications and datasheets

Catalina 425 wing keel

The Catalina 425, here in "wing keel" version, is a 43’6” monohull sailboat designed by Gerry Douglas. She was built by Catalina Yachts (United States) and made of monolithic bottom, sandwich sides and deck: balsa / fiberglass. The production started in 2016 and has been awarded the title of "Cruising World - Boat of the Year - Category: Domestic Boat" in 2017.

The Catalina 425 is as well listed, on Boat-Specs.com, in version Fin keel.

Catalina Yachts Catalina 425 Catalina Yachts Catalina 425 sailplanCatalina Yachts Catalina 425 layoutCatalina Yachts Catalina 425 sailingCatalina Yachts Catalina 425 sailingCatalina Yachts Catalina 425 sailingCatalina Yachts Catalina 425 accommodationsCatalina Yachts Catalina 425 accommodations
Catalina 425's   Main Features
Model Catalina 425
Version Wing keel
Type of hull Monohull
Category Offshore cruising sailboat
Shipyard
Designer Gerry Douglas
Award 2017 Cruising World - Boat of the Year - Category: Domestic Boat
Construction Hull and deck:
monolithic bottom, sandwich sides and deck: balsa / fiberglass
First built hull 2016
Last built hull Still in production
Appendages Keel :
Wing keel
Helm 2 wheels
Rudder 1 spade rudder
Cockpit Open aft cockpit with closing system
Unsinkable No
Trailerable No
EC certification A
Standard public price ex. VAT (indicative only) About
192 000
(2017)
Catalina 425's   Main dimensions
Hull length 43’ 6”
Waterline length 39’ 2”
Beam (width) 13’ 7”
Draft 5’
Light displacement 19099 lbs
Ballast weight 7699 lbs
Ballast type Lead
Catalina 425's   Rig and sails
Upwind sail area 865 sq.ft
Rigging type Sloop Marconi 9/10
Rotating spars No
Mast position Deck stepped mast
Spars Mast and boom in Aluminum
Standing rigging 1x19 strand wire
Number of levels of spreaders 2
Spreaders angle Swept-back
IiFore triangle height (from mast foot to fore stay attachment) 55’ 10”
JiFore triangle base (from mast foot to bottom of forestay) 15’ 8”
PiMainsail hoist measurement (from tack to head) 52’
EiMainsail foot measurement (from tack to clew) 18’
Catalina 425'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.
19.06
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.
143
Ballast ratioiThe Ballast ratio is an indicator of the stability; it is obtained by dividing the boat's displacement by the weight of the ballast. Since the stability depends also of the hull shape and the position of the center of gravity, only boats with similar ballast arrangements and hull shape should be considered.
Higher the ballast ratio is, greater is the stability.
40 %
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.
8.39 knots
Catalina 425's   Auxiliary engine
Engine(s) 1
Engine type Inboard engine
Engine 57 HP
Fuel type Diesel
Fuel tank capacity 62.1 gal
Catalina 425's   Accommodation
Cabin(s) 3
Berth(s) (min/max) 6 / 8
Head(s) 2
Fresh water tank capacity 116.2 gal
Holding tank capacity 53.9 gal
Maximum headroom 6’ 7”

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