Seller's Description
HIGHLIGHTS Highlights include a refurbished Volvo MD7A Diesel Engine with less than 100 hours, Chart Plotter, Radar, Auto Pilot, Custom Winter Cover, new bottom paint, 4 person Life Raft, Highfield Dinghy with aluminum bottom.
Magic Dragon has traveled the East Coast Atlantic Ocean from Maine to Delaware and much of the Chesapeake Bay. Her full length keel tracks well and, with only 4ft 2in draft, she can go most anywhere on the Chesapeake. Her rig can be balanced with Main Sail in-mast furling along with Genoa furling. With Main and Stay Sail Cutter Rig, tacking is accomplished by simply turning the wheel for easy single handling.
CAPE DORY 30C Sailboat Specifications Hull Type: Full Keel Rigging Type: Cutter LOA: 30.21 ft / 9.21 m LWL: 22.83 ft / 6.96 m S.A. (reported): 437.00 ft / 40.60 m Beam: 9.00 ft / 2.74 m Displacement: 10,000.00 lb / 4,536 kg Ballast: 4,000.00 lb / 1,814 kg Max Draft: 4.17 ft / 1.27 m Construction: FG Ballast Type: Lead First Built: 1976 Last Built: 1987 # Built: 363 Builder: Cape Dory Yachts Designer: Carl Alberg Auxiliary Power/Tanks (orig. equip.) Make: Volvo Type: diesel HP: 13 Fuel: 20 gals / 76 L Accomodations Water: 60 gals / 227 L Sailboat Calculations S.A. / Displ.: 15.11 Bal. / Displ.: 40.00 Disp: / Len: 375.18 Comfort Ratio: 33.06 Capsize Screening Formula: 1.67 S#: 1.15 Hull Speed: 6.40 kn Pounds/Inch Immersion: 734.17 pounds/inch Rig and Sail Particulars I: 35.00 ft / 10.67 m J: 13.25 ft / 4.04 m P: 31.50 ft / 9.60 m E: 13.00 ft / 3.96 m S.A. Fore: 231.88 ft / 21.54 m S.A. Main: 204.75 ft / 19.02 m S.A. Total (100% Fore Main Triangles): 436.63 ft / 40.56 m S.A./Displ. (calc.): 15.10 Est. Forestay Length: 37.42 ft / 11.41 m Mast Height from DWL: 40.50 ft / 12.34 m Sailboat Organizations Designer: Carl Alberg Builders: Cape Dory Yachts Associations: Cape Dory Sailboat Owners Association
Equipment: HIGHLIGHTS Highlights include a refurbished Volvo MD7A Diesel Engine with less than 100 hours, Chart Plotter, Radar, Auto Pilot, Custom Winter Cover, new bottom paint, 4 person Life Raft, Highfield Dinghy with aluminum bottom.
Magic Dragon has traveled the East Coast Atlantic Ocean from Maine to Delaware and much of the Chesapeake Bay. Her full length keel tracks well and, with only 4ft 2in draft, she can go most anywhere on the Chesapeake. Her rig can be balanced with Main Sail in-mast furling along with Genoa furling. With Main and Stay Sail Cutter Rig, tacking is accomplished by simply turning the wheel for easy single handling.
CAPE DORY 30C Sailboat Specifications Hull Type: Full Keel Rigging Type: Cutter LOA: 30.21 ft / 9.21 m LWL: 22.83 ft / 6.96 m S.A. (reported): 437.00 ft / 40.60 m Beam: 9.00 ft / 2.74 m Displacement: 10,000.00 lb / 4,536 kg Ballast: 4,000.00 lb / 1,814 kg Max Draft: 4.17 ft / 1.27 m Construction: FG Ballast Type: Lead First Built: 1976 Last Built: 1987 # Built: 363 Builder: Cape Dory Yachts Designer: Carl Alberg Auxiliary Power/Tanks (orig. equip.) Make: Volvo Type: diesel HP: 13 Fuel: 20 gals / 76 L Accomodations Water: 60 gals / 227 L Sailboat Calculations S.A. / Displ.: 15.11 Bal. / Displ.: 40.00 Disp: / Len: 375.18 Comfort Ratio: 33.06 Capsize Screening Formula: 1.67 S#: 1.15 Hull Speed: 6.40 kn Pounds/Inch Immersion: 734.17 pounds/inch Rig and Sail Particulars I: 35.00 ft / 10.67 m J: 13.25 ft / 4.04 m P: 31.50 ft / 9.60 m E: 13.00 ft / 3.96 m S.A. Fore: 231.88 ft / 21.54 m S.A. Main: 204.75 ft / 19.02 m S.A. Total (100% Fore Main Triangles): 436.63 ft / 40.56 m S.A./Displ. (calc.): 15.10 Est. Forestay Length: 37.42 ft / 11.41 m Mast Height from DWL: 40.50 ft / 12.34 m Sailboat Organizations Designer: Carl Alberg Builders: Cape Dory Yachts Associations: Cape Dory Sailboat Owners Association
Specs
- Designer
- Carl Alberg
- Builder
- Cape Dory Yachts
- Association
- Cape Dory Sailboat Owners Association
- # Built
- 363
- Hull
- Monohull
- Keel
- Long
- Rudder
- ?
- Construction
- FG
Dimensions
- Length Overall
- 29′ 11″ / 9.1 m
- Waterline Length
- 22′ 10″ / 7 m
- Beam
- 8′ 11″ / 2.7 m
- Draft
- 4′ 0″ / 1.2 m
- Displacement
- 10,000 lb / 4,536 kg
- Ballast
- 4,000 lb / 1,814 kg (Lead)
Rig and Sails
- Type
- Cutter
- Reported Sail Area
- 437′² / 40.6 m²
- Total Sail Area
- 437′² / 40.6 m²
Mainsail
- Sail Area
- 205′² / 19 m²
- P
- 31′ 5″ / 9.6 m
- E
- 12′ 11″ / 4 m
- Air Draft
- ?
Foresail
- Sail Area
- 232′² / 21.5 m²
- I
- 35′ 0″ / 10.7 m
- J
- 13′ 3″ / 4 m
- Forestay Length
- 37′ 5″ / 11.4 m
Auxilary Power
- Make
- ?
- Model
- ?
- HP
- ?
- Fuel Type
- ?
- Fuel Capacity
- ?
- Engine Hours
- ?
Accomodations
- Water Capacity
- ?
- Holding Tank Capacity
- ?
- Headroom
- ?
- Cabins
- 2
Calculations
- Hull Speed
-
6.3 kn
Classic: 6.4 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
-
15.1
<16: under powered
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
-
40.0
<40: less stiff, less 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
-
375.0
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
-
32.9
30-40: moderate bluewater cruising boat
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
-
1.7
<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
Also available as a ketch. (CAPE DORY 30K)
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