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1935 18' CLASSIC CAPE COD KNOCKABOUT SLOOP

Listed
Expired
$11,900 USD

Seller's Description

Description

NAME : MAYALINDA MODEL : Cape Cod Knockabout, Lake George Fin Keel Version YEAR BUILT : 1935 LOA : 18′ Beam : 6′ Draft : 3′ 0 Displacement : 1500# (including 900 # lead ballast keel)

Builder : Cape Cod Shipbuilding Company

Designer : Charles S. Gurney

Location : Sarasota, Florida

MAYALINDA is a classic 1935 wooden sailboat that has undergone a recent (completed Fall, 2023) full restoration including a complete new centerline, new laminated white oak frames, new garboards, new deck planks and canvas deck. She is all bronze fastened and includes all original antique bronze hardware. Other than the garboards, all of the planking is original. The garboards came from another Cape Cod Knockabout of the same vintage that was acquired for parts during the restoration. The original transom was used in the restoration but with a white oak veneer laminated on the surface. The tiller, coaming and seating is original and all have received 10 coats of varnish. The original spars have received 12 coats of varnish. During the restoration, all of the bronze hardware was cleaned and stripped of paint that had built up over the years and then polished for a uniform finish that is now being allowed to weather to develop a rich patina. She come with 2 sets of sails. The tandem trailer has 4 new tires, 4 new hubs and bearings and new led lights and is included. The boat has a Florida title & registration & the trailer is registered in Florida. Although most of the Knockabouts built by Cape Cod Shipbuilding Company were centerboard boats, there were a small number built (records are sketchy and the exact number is uncertain) for Halls Boats in Lake George, New York. Halls sold them to the Lake George boating community & a one-design fleet held races on the lake for many years. It is believed that there are only 4 or 5 of these classics remaining.

CONTACT

Glenn Schroeder

Barnegat Bay Yacht Brokerage

609-312-8263

Heartsdesire1925@gmail.com

** THE CLASSICS ARE WHAT WE SELL **

THANK YOU, Glenn Schroeder

Specs

Designer
Charles S. Gurney
Builder
Cape Cod Shipbuilding
Associations
?
# Built
2700
Hull
Monohull Dinghy
Keel
Centerboard
Rudder
?
Construction
Wood /FG

Dimensions

Length Overall
?
Waterline Length
15 5 / 4.7 m
Beam
?
Draft
0 9 / 0.2 m ?
Displacement
650 lb / 295 kg
Ballast
?

Rig and Sails

Type
Sloop
Reported Sail Area
165′² / 15.3 m²
Total Sail Area
?
Mainsail
Sail Area
?
P
?
E
?
Air Draft
?
Foresail
Sail Area
?
I
?
J
?
Forestay Length
?

Auxilary Power

Make
?
Model
?
HP
?
Fuel Type
?
Fuel Capacity
?
Engine Hours
?

Accomodations

Water Capacity
?
Holding Tank Capacity
?
Headroom
?
Cabins
?

Calculations

Hull Speed
8.4 kn
Classic: 5.27 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

8.38 knots
Classic formula: 5.27 knots
Sail Area/Displacement
35.2
>20: high 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.
35.17
<16: under powered
16-20: good performance
>20: high performance
Ballast/Displacement
?

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

?
<40: less stiff, less powerful
>40: stiffer, more powerful
Displacement/Length
78.2
<100: Ultralight

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
78.19
<100: ultralight
100-200: light
200-300: moderate
300-400: heavy
>400: very heavy
Comfort Ratio
5.7
<20: lightweight racing 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
5.65
<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
2.8
>2.0: better suited for coastal cruising

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
2.77
<2: better suited for ocean passages
>2: better suited for coastal cruising

Notes

Originally called the CAPE COD BABY KNOCKABOUT. Charles Gurney was the founder of Cape Cod Shipbuilding. Fiberglass construction was approved in 1960. Spinnakers were added in 1938. (150 sq. ft.). One of the most popular one-design classes in New England for many years.
A fixed keel, ‘Lake George’ version (sailed at Lake George, NY USA), was also built.

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

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