Seller's Description
The Whitby 42; designed by the well renowned Ed Brewer, is a heavy displacement, full-keeled cruising boat. She has a comfortable centre cockpit and is ideal for cruising or living aboard in the Pacific Northwest and around the BC Coast. “Three Cheers” has been well maintained and loved by her current owners, but due to health considerations, the torch must be passed to another owner. This particular Whitby 42 is in very good condition, has had the electrical upgraded, and has a clean last survey available from April of 2022.
Three Cheers is located in Alert Bay off of Vancouver Island, B.C. Please inquire today for more information.
Equipment: Hull - FRP (Fibreglass reinforced plastic) Hull - Full keel - 8000 lb - lead
Engine - Diesel Perkins 4-236 / OEM - 85hp, 4 cyl. - Hours: 5,250
Tanks - Two 75 gallon Diesel Fuel - Two 37 gallon water - Two 20 lb propane
Electronics - Radar - JRC - Plotter - JRC - NAV - HP computer monitor w/ Nobletec GPS - VHF - Icom M -502 - Ham - Icom IC - 235
Electric - Six x 6 volt house batteries - One group 27 - Two x solar Panels - Xantrex Freedom 2500 Inverter
Heating - Dickinson Antarctic diesel heater
Galley - 4 burner Force 10 stove / oven - A/C Seward Marine Hot water heater - Top Loading Fridge / Freezer combo
General - 12V Lofrans gipsen Windlass (3.5 years old) - Dickinson LPG Sea-B-Q (rail mounted in cockpit) - Two x Jabsco Marine Manual heads - 10’ Costco inflatable tender - 8 Hp Yamaha 4 stroke auxiliary engine
Specs
- Designers
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- Builders
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- Associations
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- # Built
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- Hull
- Monohull
- Keel
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- Rudder
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- Construction
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Dimensions
- Length Overall
- 41′ 11″ / 12.8 m
- Waterline Length
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- Beam
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- Draft
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- Displacement
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- Ballast
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Rig and Sails
- Type
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- Reported Sail Area
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- Total Sail Area
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Mainsail
- Sail Area
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- P
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- E
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- Air Draft
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Foresail
- Sail Area
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- I
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- J
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- Forestay Length
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Auxilary Power
- Make
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- Model
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- HP
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- Fuel Type
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- Fuel Capacity
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- Engine Hours
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Accomodations
- Water Capacity
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- Holding Tank Capacity
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- Headroom
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- Cabins
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Calculations
- Hull Speed
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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
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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
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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
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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
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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
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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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