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Sailboat specifications and datasheets

Catalina 310 fin keel

The Catalina 310, here in "fin keel" version, is a 31’1” monohull sailboat designed by Gerry Douglas. She was built by Catalina Yachts (United States) and made of GRP (glass reinforced polyester). This sailboat was produced between 1999 and 2012 and has been awarded the title of "Cruising World - Boat of the Year - Category: Pocket Cruiser " in 2000.

The Catalina 310 is as well listed, on Boat-Specs.com, in version Wing keel.

Catalina Yachts Catalina 310 Catalina Yachts Catalina 310 sailplanCatalina Yachts Catalina 310 layoutCatalina Yachts Catalina 310 sailingCatalina Yachts Catalina 310 accommodationsCatalina Yachts Catalina 310 accommodationsCatalina Yachts Catalina 310 accommodations
Catalina 310's   Main Features
Model Catalina 310
Version Fin keel
Type of hull Monohull
Category Cruising sailboat
Shipyard
Designer Gerry Douglas
Award 2000 Cruising World - Boat of the Year - Category: Pocket Cruiser
Construction GRP (glass reinforced polyester)
First built hull 1999
Last built hull 2012
Appendages Keel :
L-shaped keel (with bulb)
Helm 1 wheel
Rudder 1 spade rudder
Cockpit Open aft cockpit
Unsinkable No
Trailerable No
EC certification A
Standard public price ex. VAT (indicative only) N/A
Catalina 310's   Main dimensions
Hull length 31’ 1”
Waterline length 26’ 6”
Beam (width) 11’ 6”
Draft 5’ 8”
Light displacement 10701 lbs
Ballast weight 4400 lbs
Ballast type Lead
Catalina 310's   Rig and sails
Upwind sail area 490 sq.ft
Rigging type Sloop Marconi masthead
Rotating spars No
Mast position Keel stepped mast
Spars Mast and boom in Aluminum
Standing rigging 1x19 strand wire
Number of levels of spreaders 2
Spreaders angle 0 °
Catalina 310'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.
15.88
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.
261
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.
41 %
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.
6.90 knots
Catalina 310's   Auxiliary engine
Engine(s) 1
Engine type Inboard engine
Engine 26 HP
Fuel type Diesel
Fuel tank capacity 20.1 gal
Catalina 310's   Accommodation
Cabin(s) 2
Berth(s) (min/max) 4 / 6
Head(s) 1
Fresh water tank capacity 54.9 gal
Holding tank capacity 20.1 gal

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