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Seller's Description

1984 Bayfield Ketch, 52 hp. westerbeke, 5 sails,autopilot, depth, wind,log,gps,vhf. new stater, alternator, heat exchanger, circulating pump, electric fuel pump, priming filter pump. bottom done 02/20. hull done 11/19 4 coats awlgrip primer, 3 coats awlgrip ployurethane topcoat, will send more info by e-mail if interested.

Equipment: dinghy with o/b., davits, new dodger, bimini, insert. to much to list. can send more info if interested by e-mail

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Specs

Designer
Hayden Gozzard
Builder
Bayfield Boat Yard Ltd.
Associations
?
# Built
?
Hull
Monohull
Keel
Long
Rudder
?
Construction
FG

Dimensions

Length Overall
41 2 / 12.6 m
Length On Deck
35 11 / 11 m
Waterline Length
39 11 / 12.2 m
Beam
12 0 / 3.7 m
Draft
4 11 / 1.5 m
Displacement
18,500 lb / 8,391 kg
Ballast
6,500 lb / 2,948 kg (Lead)

Rig and Sails

Type
Ketch
Reported Sail Area
738′² / 68.6 m²
Total Sail Area
794′² / 73.8 m²
Mainsail
Sail Area
280′² / 26 m²
P
41 6 / 12.7 m
E
13 5 / 4.1 m
Air Draft
49 0 / 14.9 m
Foresail
Sail Area
514′² / 47.8 m²
I
52 0 / 15.9 m
J
19 9 / 6 m
Forestay Length
55 7 / 17 m
Mizzen
PY
24 8 / 7.5 m
EY
9 3 / 2.8 m

Auxilary Power

Make
Yanmar
Model
4JHE
HP
44
Fuel Type
Diesel
Fuel Capacity
?
Engine Hours
?

Accomodations

Water Capacity
100 gal / 379 l
Holding Tank Capacity
?
Headroom
?
Cabins
3

Calculations

Hull Speed
7.8 kn
Classic: 7.4 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

7.82 knots
Classic formula: 7.4 knots
Sail Area/Displacement
16.9
16-20: good performance

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.
16.88
<16: under powered
16-20: good performance
>20: high performance
Ballast/Displacement
35.1
<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

35.13
<40: less stiff, less powerful
>40: stiffer, more powerful
Displacement/Length
290.7
275-350: 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
290.73
<100: ultralight
100-200: light
200-300: moderate
300-400: heavy
>400: very heavy
Comfort Ratio
30.7
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
30.71
<20: lightweight racing boat
20-30: coastal cruiser
30-40: moderate bluewater cruising boat
40-50: heavy bluewater boat
>50: extremely heavy bluewater boat
Capsize Screening
1.8
<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
1.82
<2: better suited for ocean passages
>2: better suited for coastal cruising

Notes

From BlueWaterBoats.org:

The Bayfield 36 is a Canadian built, full keeled cruiser with traditional teak styling designed by Hayden Gozzard. Production started in 1985 and ran until the factory in Clinton, Ontario burned down in 1988. She is a unique combination of new and old thinking with her clipper bow, trailboards, and teak combings combined with an aluminium toerail and beamy interior. This is a “big” 36-footer, and owners love her as much for her good looks as for her amazingly spacious accommodations. Performance-wise she will not win you any races but when in a blow you will enjoy her heavy displacement, full keeled underbody. Handholds are wherever you need them.

The construction is solid glass with molded inserts to create the interior substructure while the deck is balsa cored. Chainplates tie into bulkheads or special stubs tied into the hull. The mast is keel stepped while the internal ballast is 6,500 pounds of lead. The fuel tankage is aluminium with 45 gallons capacity while the water and holding tanks are plastic. Her accommodations include two cabins, a head with tub, and spacious salon. Some versions have a fixed salon table while others have a table that folds down from the main bulkhead. Here is where the Bayfield shines with the spaciousness of a much larger yacht. In fact it is mystery how they packed the proverbial 10 pounds in 1 pound sack. Her engine was a Yanmar 4 JHE 44 HP which is still in many. Access is beneath the companionway and through the starboard cockpit bench.

Buyers Notes

The aluminium fuel tank is prone to corrosion. It sits just forward the companionway inserts deep into the bilge. The original stove used butane gas which is difficult to find and refill in the USA. Originally specifications listed 4′ 11″ as the draft. Actual drafts are around 5′ 9″ due to overbuilding and cruising weight. Exterior storage is limited with no lazzarettes or anchor locker.

Links, References and Further Reading

» Bayfield 36 Review, Richard Jordan, Waves
» Contemporary Classic, Sven Donaldson, Boat Review

This listing is presented by SailboatListings.com. Visit their website for more information or to contact the seller.

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