Seller's Description
Please contact me for more complete description, and inventory, and photos.
China Doll is a Stan Huntingford double-ender designed for comfortable, safe, and seaworthy long-distance cruising. She features a dual-cockpit design that provides an aft cockpit from the master cabin and a center cockpit for everyone’s use. She is fully equipped for offshore cruising. This was the second of the eight built. Passport is a semi-custom builder that the boat’s first owner took great advantage of. He was a very experienced sailor and a competent engineer. Many of his requests were included in subsequent builds. These boats have a reputation of being very beautiful, well-built, and practical.
- 160 gal. aluminum fuel tanks (four below the cabin sole and one 30 gal. under the aft cockpit (2011)
- 230 gal. in two stainless steel water tanks under the cabin sole
- 12 gal. water heater (110v or engine)
- Two 9 gal. polyethylene holding tank
Equipment: - 1983 Perkins 4.236M - West Marine 11’5” Hypalon inflatable (2012) - Yamaha 15 hp outboard (2009) - Lofrans 1500 windlass - Bruce and two Danforth anchors - - Ritchie 5” Pwerdamp compass with cover mounted on top of the binnacle - ICOM Commander Mic III VHF at cockpit pedestal - ICOM IC-M604 VHF / GPS / DSC at chart table - ICOM IC-M802 SSB at chart table - SIMRAD AP28 autopilot control head on cockpit bulkhead - B&G Network Triton2 control head and B&G WS310 wind sensor - B&G Network Zeua 3 9” MFD (chart plotter, GPS, Radar, Autohead, NMEA2000 compliant) at pedestal - B&G 4G radar - AIS receiver integrated with vessel electronic backbone - SCS PTC-III USB modem mounted at chart table - - Two Group 27 West Marine 15020126 flooded lead acid starting batteries (2021) - Four Group L16 Full River DC400 415 AH batteries (2021) - One Trojan U1-AGM 34 AH for generator start - NAPA marine/RV deep cycle windlass battery (2023)
Specs
- Designer
- Stan Huntingford
- Builder
- Passport Yachts
- Associations
- ?
- # Built
- ?
- Hull
- Monohull
- Keel
- Fin
- Rudder
- Skeg
- Construction
- FG airex hull balsa deck
Dimensions
- Length Overall
- 51′ 1″ / 15.6 m
- Waterline Length
- 43′ 2″ / 13.2 m
- Beam
- 14′ 4″ / 4.4 m
- Draft
- 7′ 1″ / 2.2 m
- Displacement
- 38,000 lb / 17,237 kg
- Ballast
- 13,000 lb / 5,897 kg
Rig and Sails
- Type
- Ketch
- Reported Sail Area
- 1,116′² / 103.7 m²
- Total Sail Area
- 1,116′² / 103.7 m²
Mainsail
- Sail Area
- 486′² / 45.2 m²
- P
- 54′ 0″ / 16.5 m
- E
- 18′ 0″ / 5.5 m
- Air Draft
- ?
Foresail
- Sail Area
- 630′² / 58.5 m²
- I
- 60′ 0″ / 18.3 m
- J
- 20′ 11″ / 6.4 m
- Forestay Length
- 63′ 6″ / 19.4 m
Auxilary Power
- Make
- ?
- Model
- ?
- HP
- ?
- Fuel Type
- Diesel
- Fuel Capacity
- 190 gal / 719 l
- Engine Hours
- ?
Accomodations
- Water Capacity
- 230 gal / 871 l
- Holding Tank Capacity
- ?
- Headroom
- ?
- Cabins
- ?
Calculations
- Hull Speed
-
10.3 kn
Classic: 8.81 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
-
15.8
<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
-
34.2
<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
-
209.8
200-300: moderate
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
-
38.8
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
-
1.6
<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
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