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Seller's Description

The Catalina Expo 12.5 is a fun machine. Thanks to the SmartRig and Hoyt boom, getting underway has never been this quick and easy! There are no stays, no chainplates, and no halyards. Putting the boat away is also a snap, as both mast and boom are deck-stepped and removable by hand, without any tools, in minutes. This is one boat every member of the family and friends will want to sail all day long. Highly efficient hull forms produce handling that is light and consistent. Forward sections of the 12.5 have a deep V shape and quickly transition to a flat section aft. This design produces fast acceleration with predictable handing through all points of sail. The tapered one piece carbon fiber mast means more sail power, with less weight aloft. The rotating SmartRig mast acts as a reefing line and furling drum to shorten or increase sail effortlessly. The same line even rolls the sail completely around the mast for storage. The Expo 12.5 has a seat across the cockpit, perfect for a crew member who is just learning to sail, or just wants a comfortable place to enjoy the ride. Best of all the Expo 12.5 is a Catalina and is built with the same quality materials and attention to detail as every other model we build. Standard items include a one-piece fiberglass deck with molded-in non-skid and hand laid fiberglass hull. Full flotation inside the hull means the 12.5 is virtually unsinkable. The Expo 12.5 is perfect for the new or experienced sailor who want a great handling sailboat that is non-technical. Simple to rig, exciting to sail, the 12.5 is all about fun on the water.

Equipment: Titled Trailer. Roller Furling Mainsail Light weight 2 piece mast Very good colorful sail. Red, White, and Blue.

Pictures of the actual boat this afternoon when the rain stops..

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Specs

Designer
Gary Hoyt
Builder
Catalina Yachts
Associations
?
# Built
?
Hull
Monohull Dinghy
Keel
Daggerboard
Rudder
?
Construction
FG

Dimensions

Length Overall
12 9 / 3.9 m
Waterline Length
42 7 / 13 m
Beam
16 4 / 5 m
Draft
0 3 / 0.1 m 13 1 / 4 m
Displacement
130 lb / 59 kg
Ballast
?

Rig and Sails

Type
Cat
Reported Sail Area
64′² / 6 m²
Total Sail Area
?
Mainsail
Sail Area
?
P
?
E
?
Air Draft
?
Foresail
Sail Area
?
I
?
J
?
Forestay Length
?

Auxilary Power

Make
?
Model
?
HP
?
Fuel Type
?
Fuel Capacity
?
Engine Hours
?

Accomodations

Water Capacity
?
Holding Tank Capacity
?
Headroom
?
Cabins
?

Calculations

Hull Speed
?

Hull Speed

The theoretical maximum speed that a displacement hull can move efficiently through the water is determined by it's waterline length and displacement. It may be unable to reach this speed if the boat is underpowered or heavily loaded, though it may exceed this speed given enough power. Read more.

Formula

Classic hull speed formula:

Hull Speed = 1.34 x √LWL

A more accurate formula devised by Dave Gerr in The Propeller Handbook replaces the Speed/Length ratio constant of 1.34 with a calculation based on the Displacement/Length ratio.

Max Speed/Length ratio = 8.26 ÷ Displacement/Length ratio.311
Hull Speed = Max Speed/Length ratio x √LWL

?
Classic formula: ?
Sail Area/Displacement
39.9
>20: high performance

Sail Area / Displacement Ratio

A measure of the power of the sails relative to the weight of the boat. The higher the number, the higher the performance, but the harder the boat will be to handle. This ratio is a "non-dimensional" value that facilitates comparisons between boats of different types and sizes. Read more.

Formula

SA/D = SA ÷ (D ÷ 64)2/3

  • SA: Sail area in square feet, derived by adding the mainsail area to 100% of the foretriangle area (the lateral area above the deck between the mast and the forestay).
  • D: Displacement in pounds.
39.92
<16: under powered
16-20: good performance
>20: high performance
Ballast/Displacement
?

Ballast / Displacement Ratio

A measure of the stability of a boat's hull that suggests how well a monohull will stand up to its sails. The ballast displacement ratio indicates how much of the weight of a boat is placed for maximum stability against capsizing and is an indicator of stiffness and resistance to capsize.

Formula

Ballast / Displacement * 100

?
<40: less stiff, less powerful
>40: stiffer, more powerful
Displacement/Length
?

Displacement / Length Ratio

A measure of the weight of the boat relative to it's length at the waterline. The higher a boat’s D/L ratio, the more easily it will carry a load and the more comfortable its motion will be. The lower a boat's ratio is, the less power it takes to drive the boat to its nominal hull speed or beyond. Read more.

Formula

D/L = (D ÷ 2240) ÷ (0.01 x LWL)³

  • D: Displacement of the boat in pounds.
  • LWL: Waterline length in feet
?
<100: ultralight
100-200: light
200-300: moderate
300-400: heavy
>400: very heavy
Comfort Ratio
?

Comfort Ratio

This ratio assess how quickly and abruptly a boat’s hull reacts to waves in a significant seaway, these being the elements of a boat’s motion most likely to cause seasickness. Read more.

Formula

Comfort ratio = D ÷ (.65 x (.7 LWL + .3 LOA) x Beam1.33)

  • D: Displacement of the boat in pounds
  • LWL: Waterline length in feet
  • LOA: Length overall in feet
  • Beam: Width of boat at the widest point in feet
?
<20: lightweight racing boat
20-30: coastal cruiser
30-40: moderate bluewater cruising boat
40-50: heavy bluewater boat
>50: extremely heavy bluewater boat
Capsize Screening
3.9
>2.0: better suited for coastal cruising

Capsize Screening Formula

This formula attempts to indicate whether a given boat might be too wide and light to readily right itself after being overturned in extreme conditions. Read more.

Formula

CSV = Beam ÷ ³√(D / 64)

  • Beam: Width of boat at the widest point in feet
  • D: Displacement of the boat in pounds
3.94
<2: better suited for ocean passages
>2: better suited for coastal cruising

Notes

Features carbon fiber SmartRig® and Hoyt boom.

This listing is presented by SailboatListings.com. Visit their website for more information or to contact the seller.

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