Sailboat specifications and datasheets

Catalina 42 wing keel

The Catalina 42, here in "wing keel" version, is a 41’10” monohull sailboat designed by Nelson Marek. She was built by Catalina Yachts (United States) and made of GRP (glass reinforced polyester). This sailboat was produced between 1989 and 1995 with about 500 hulls completed.

The Catalina 42 is as well listed, on, in version Fin keel.

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Catalina 42's   Main Features
Model Catalina 42
Version Wing keel
Type of hull Monohull
Category Offshore cruising sailboat
Designer Nelson Marek
Construction GRP (glass reinforced polyester)
First built hull 1989
Last built hull 1995
Number of hulls built About 500
Appendages Keel :
Wing keel
Helm 1 wheel
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) N/A
Catalina 42's   Main dimensions
Length overall 43’ 2”
Hull length 41’ 10”
Waterline length 36’
Beam (width) 13’ 10”
Draft 4’ 10”
Mast height from DWL 58’ 7”
Light displacement 20503 lbs
Ballast weight 8300 lbs
Catalina 42's   Rig and sails
Upwind sail area 797 sq.ft
Mainsail area 362 sq.ft
Genoa area 435 sq.ft
Rigging type Sloop Marconi masthead
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) 53’
JiFore triangle base (from mast foot to bottom of forestay) 16’ 5”
PiMainsail hoist measurement (from tack to head) 46’ 10”
EiMainsail foot measurement (from tack to clew) 15’ 6”
Catalina 42'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.
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.
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.
8.04 knots
Catalina 42's   Auxiliary engine
Engine(s) 1
Engine type Inboard engine
Engine 54 HP
Fuel type Diesel
Fuel tank capacity 46 gal
Catalina 42's   Accommodation
Fresh water tank capacity 111 gal
Water heater capacity 11.1 gal
Fridge/ice-box capacity 95.1 gal
Catalina 42's   Saloon
Maximum headroom 6’ 8”
Catalina 42's   Fore cabin
Maximum headroom 6’ 4”

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