Seller's Description
Charity Boat Sale by Chesapeake Bay Maritime Museum! Boat on site at our facility in St. Michaels, MD. When you buy from CBMM, or donate your boat, 100% of your funds go to support CBMM’s mission.
Nice 1981 Cape Dory 25 with 15 hp mercury outboard. Well, maintained, on a titled trailer. The Cape Dory 25 is one of the few trailerable sailboats that has real offshore capability. With a full keel, keel-hung rudder, solid hand laid fiberglass construction and a low center of gravity, people have crossed oceans on these. There are two versions of the CD25: an inboard version and an outboard version with the outboard located in a stern well. This is the outboard version. The motor is reported to run well. Outboard boats like this one have a larger cockpit, making them able to comfortably sail with 4-6 people aboard on day sails. Cape Dorys attention to detail and fantastic materials mean these boats age well if theyre cared for. This is an ideal boat for anyone who loves the concept of trailering a boat to destinations, but doesn’t want to sacrifice big-water capability. 65 mph down Interstate 95 and then across to the Gulf Stream to the Bahamas is a reality.
Stock Number: BDP #8055
Specs
- Designer
- Carl Alberg
- Builder
- Cape Dory Yachts
- Associations
- ?
- # Built
- 189
- Hull
- Monohull
- Keel
- Long
- Rudder
- ?
- Construction
- FG
Dimensions
- Length Overall
- 25′ 0″ / 7.6 m
- Waterline Length
- 18′ 11″ / 5.8 m
- Beam
- 7′ 3″ / 2.2 m
- Draft
- 2′ 11″ / 0.9 m
- Displacement
- 5,120 lb / 2,322 kg
- Ballast
- 2,050 lb / 930 kg
Rig and Sails
- Type
- Sloop
- Reported Sail Area
- 304′² / 28.2 m²
- Total Sail Area
- 304′² / 28.2 m²
Mainsail
- Sail Area
- 140′² / 13 m²
- P
- 27′ 3″ / 8.3 m
- E
- 10′ 2″ / 3.1 m
- Air Draft
- ?
Foresail
- Sail Area
- 164′² / 15.2 m²
- I
- 31′ 11″ / 9.8 m
- J
- 10′ 2″ / 3.1 m
- Forestay Length
- 33′ 7″ / 10.2 m
Auxilary Power
- Make
- ?
- Model
- ?
- HP
- ?
- Fuel Type
- ?
- Fuel Capacity
- ?
- Engine Hours
- ?
Accomodations
- Water Capacity
- ?
- Holding Tank Capacity
- ?
- Headroom
- ?
- Cabins
- ?
Calculations
- Hull Speed
-
5.9 kn
Classic: 5.84 kn
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
- Sail Area/Displacement
-
16.4
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.
- Ballast/Displacement
-
40.1
>40: stiffer, more powerful
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
- Displacement/Length
-
333.4
300-400: heavy
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
- Comfort Ratio
-
23.7
20-30: coastal cruiser
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
- Capsize Screening
-
1.9
<2.0: better suited for ocean passages
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
Notes
Later offered by C. W. Hood Yachts (1996?) as the OCTAVIA 25.
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