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This 1978 Cheoy Lee Offshore 41 was designed by Ray Richards, built by Cheoy Lee Shipyard, and incorporated many design upgrades from the standard model. “Antares” has classic lines with bountiful teak inside and out. She has also had many upgrades itemized in the equipment list including a 2014 Westerbeke diesel and 2016 Cool Blue refrigeration system. All sails are good to excellent. She is a wonderful sailing vessel; fast, stable.
Equipment: ANTARES U.S. 617877
Year: 1978 Builder: Cheoy Lee Shipyard Ltd. (HK) Model: Offshore 41 Designer: Ray Richards Hull Type: Fin with rudder on skeg LOA: 40.92 / 12.47m LWL: 32.5 / 9.91m Beam: 12.75 / 3.89m Draft: 6.0 / 1.83m Displacement: 21100lbs. / 9571 kgs. Ballast: 8900 lbs. / 4037 kgs. Rig type: Masthead Sloop
DESIGN UPGRADES Mast compression pillar upgraded to 4 steel from standard Cheoy Lee 2 S/S Capshroud knees extended to twice original design depth for increased strength Adjustable and removable inner forestay Fully adjustable under load mainsheet traveler Original Cheoy Lee hardware replaced with either Ronstan or Schaeffer hardware Aluminum genoa turning sheaves Oversized stateroom double birth
SAILS 9 oz. full batten mainsail 2015 Lazy jacks Mainsail lazy bag 2015 125% Genoa Working Jib 1981 Reaching staysail 1981 1.2 oz. Tri-radial Spinnaker 3.5 oz. Cruising Spinnaker Spinnaker chute Storm jib Trisail
GROUND TACKLE 45 lb CQR 25 lb CQR (2) 20’ chains (2) 300’ nylon rodes RIGGING Aluminum spars (over-sized) by Alspar of Australia Stainless steel with Norseman fittings New turnbuckles 2016 10 Barlow winches Harken Roller Furling 1991 Boom vang
PROPULSION 2014 Westerbeke 44C diesel 2014 Borg Warner hydraulic transmission Propeller shaft 2014 2016 Michigan 3 blade bronze propeller Admiral panel with alarms (tachometer with gauges) Fuel/water separator 50 gallon fuel tank Stainless steel dry exhaust 2014 Cutlass bearing 2014
ELECTRICAL SYSTEM 12/110 volt system with circuit breakers 2 house batteries 1 starting battery 90 amp alternator 100 watt solar panel with controller Polarity meter 30 amp shore power Shore power cord
ELECTRONICS Standard Horizon GPS Chartplotter JRC 1500 Radar Tri-Lens radar reflector Horizon Spectrum VHF radio Apelco VHF radio Standard Horizon wind speed and direction indicator Standard Horizon Knot meter (2) Standard Horizon depth sounders AM/FM radio w/ cockpit speakers Inverter
HEAD Enclosed Raritan manual toilet Shower Diverter valve Macerator pump 2014
GALLEY Technautics CoolBlue 12V cold plate refrigeration 2017 Approx. 10 cubic foot box with top and side access Three burner Shipmate propane stove with baking and broiling Propane locker with safety electric shut-off Strong purpose built grab rail 100 gallons fresh water in two tanks Pressure fresh water pump 2014 Custom cockpit table
MISCELLANEOUS (2) manual bilge pumps (1) electric bilge pump 2014 Emergency tiller Three (3) Coast Guard approved portable units Clock Tide clock Barometer Thermometer Suunto compass (2) fenders (2) Horseshoe Life rings First Aid kit Signal flags Dock lines Safety harnesses Bells, flares and horns 8 Life preservers Custom awning (8) Sunbrella cockpit cushions U.S. flag on teak pole Teak and s/s wheel Ash shroud rollers
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.
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
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.
SA/D = SA ÷ (D ÷ 64)2/3
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.
Ballast / Displacement * 100
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.
D/L = (D ÷ 2240) ÷ (0.01 x LWL)³
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.
Comfort ratio = D ÷ (.65 x (.7 LWL + .3 LOA) x Beam1.33)
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.
CSV = Beam ÷ ³√(D / 64)
Also called OFFSHORE 40 MKII. (What was offered from this builder under the name OFFSHORE 40 OR 41 was not consistent.) Cheoy Lee offered another model called the CHEOY LEE 41 which appears similar and may be based on this same design.
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