Detailed sailboat specifications and datasheets since 2015
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Catalina 309 (Fin keel) vs Catalina 309 (Wing keel)

Main featuresCatalina 309 Fin keelCatalina 309 Wing keel
Model
Catalina 309
Catalina 309
Version
Fin keel
Wing keel
Hull type
Monohull
Monohull
Category
Cruising sailboat
Cruising sailboat
Sailboat builder
Catalina Yachts
Catalina Yachts
Sailboat designer
Country
United States
United States
Construction
Hull and deck: GRP (glass reinforced polyester)
Hull and deck: GRP (glass reinforced polyester)
First built hull
2005
2005
Last built hull
Discontinued
Discontinued
Award(s)
  • 2007: Cruising World - Boat of the Year: Domestic Boat
  • 2007: Cruising World - Boat of the Year: Small Cruiser
    • 2007: Cruising World - Boat of the Year: Domestic Boat
    • 2007: Cruising World - Boat of the Year: Small Cruiser
      Appendages
      Keel : L-shaped keel (with bulb)
      Keel : wing keel
      Helm
      Single helm wheel
      Single helm wheel
      Rudder
      Single spade rudder
      Single spade rudder
      Unsinkable
      No
      No
      Trailerable
      No
      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 < 0,5m
      A
      A
      Standard public price ex. VAT (indicative only)
      85000 2006
      85000 2006
       
      Main dimensionsCatalina 309 Fin keelCatalina 309 Wing keel
      Overall length
      32’ 8”9.98 m
      32’ 8”9.98 m
      Hull length
      31’9.45 m
      31’9.45 m
      Waterline length
      26’ 6”8.08 m
      26’ 6”8.08 m
      Beam (width)
      11’ 6”3.51 m
      11’ 6”3.51 m
      Draft
      6’ 2”1.9 m
      4’ 4”1.32 m
      Mast height from DWL
      48’ 4”14.71 m
      48’ 4”14.71 m
      Light displacement (MLC)
      9800 lb4445 kg
      10201 lb4627 kg
      Ballast weight
      3999 lb1814 kg
      4400 lb1996 kg
      Ballast type
      Lead
      Lead
       
      Rig and sailsCatalina 309 Fin keelCatalina 309 Wing keel
      Upwind sail area
      523 ft²48.6 m²
      523 ft²48.6 m²
      I
       iFore triangle height (from mast foot to fore stay top attachment)
      42’ 8”13.03 m
      42’ 8”13.03 m
      J
       iFore triangle base (from mast foot to bottom of forestay)
      12’3.66 m
      12’3.66 m
      P
       iMainsail hoist measurement (from tack to head)
      38’ 8”11.81 m
      38’ 8”11.81 m
      E
       iMainsail foot measurement (from tack to clew)
      13’ 8”4.19 m
      13’ 8”4.19 m
      Rigging type
      Sloop Marconi 19/20
      Sloop Marconi 19/20
      Mast configuration
      Deck stepped mast
      Deck stepped mast
      Rotating spars
      No
      No
      Number of levels of spreaders
      2
      2
      Spreaders angle
      0 °
      0 °
      Spars construction
      Aluminum spars
      Aluminum spars
      Standing rigging
      1x19 strand wire
      1x19 strand wire
       
      PerformancesCatalina 309 Fin keelCatalina 309 Wing keel
      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.
      194 ft²/T17.98 m²/T
      188 ft²/T17.5 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.
      239
      248
      Ballast ratio
       iThe Ballast ratio is an indicator of stability; it is obtained by dividing the boat's displacement by the mass of the ballast. Since the stability depends also of the hull shapes and the position of the center of gravity, only the boats with similar ballast arrangements and hull shapes should be compared.

      The higher the ballast ratio is, the greater is the stability.
      41 %
      43 %
      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.
      6.90 knots
      6.90 knots
       
      Auxiliary engineCatalina 309 Fin keelCatalina 309 Wing keel
      Engine(s)
      1 inboard engine
      1 inboard engine
      Engine(s) power
      21 HP
      21 HP
      Fuel type
      Diesel
      Diesel
      Fuel tank capacity
      26.9 gal102 liters
      26.9 gal102 liters
       
      Accommodations and layoutCatalina 309 Fin keelCatalina 309 Wing keel
      Cockpit
      Closed aft cockpit
      Closed aft cockpit
      Cabin(s)
      2
      2
      Berth(s) (min./max.)
      4 / 6
      4 / 6
      Head(s)
      1
      1
      Freshwater tank capacity
      34.9 gal132 liters
      34.9 gal132 liters
      Holding tank capacity
      16.9 gal64 liters
      16.9 gal64 liters
      Fridge/ice-box capacity
      23.8 gal90 liters
      23.8 gal90 liters
      Boiler capacity
      11.1 gal42 liters
      11.1 gal42 liters
       
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