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1951 Sparkman & Stephens Pilot Sloop

Expired
$27,000 USD

Seller's Description

Well cared for 1951 classic, wooden Pilot sloop purchased in 2014. We thoroughly enjoyed cruising along the coast of Maine in our home away from home. But our situation has changed, and its time for us to pass it on to someone else to enjoy. The boat was originally designed by Sparkman and Stephens and was the forerunner of the well-known Hinkley Pilot. Unlike the experience in a fiberglass hull, a wooden hull glides quietly and smoothly through the water, and is a joy to sail. The boat was well maintained and stored inside a boat shed on a gravel floor. It has a rebuilt 1996 Volvo Penta 27hp which was dependable and problem free for us. Annual maintenance included scraping, caulking, painting the bottom and topsides, varnishing the brightwork, mechanical tune-ups, and tensioning the rigging. We re-fiberglassed several areas on the deck, added a new GPS unit with a swing out mount that extends into the cockpit, mounted a radar on the backstay, switched to an Airhead compost toilet (we still have the flush toilet available), and replaced the gas with an alcohol stove (the original gas stove is available also). There are two sails in excellent condition - a recently, custom-made, beautiful, antique white mainsail and a roller-furling genoa. The mast, boom, and all the fastenings, shackles, cleats, etc. are sound and in good working order. The cockpit is old but sound, though it will eventually need some attention as the plywood sheathing underneath the teak deck is looking worn. A survey from 2014 is available which pointed out maintenance items in need of attention, most of which have been addressed. We have documented the work done to date, and the work still remaining. In these unsettled times sailing a classic wooden boat offers a nostalgic return to simpler and more restorative way of life.

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Specs

Designer
Sparkman & Stephens
Builder
C&C Fiberglass Components
Associations
?
# Built
?
Hull
Monohull
Keel
Fin + Bulb
Rudder
Spade
Construction
FG

Dimensions

Length Overall
30 6 / 9.3 m
Waterline Length
104 11 / 32 m
Beam
29 6 / 9 m
Draft
13 1 / 4 m
Displacement
5,640 lb / 2,558 kg
Ballast
2,400 lb / 1,089 kg (Lead)

Rig and Sails

Type
Sloop
Reported Sail Area
460′² / 42.7 m²
Total Sail Area
?
Mainsail
Sail Area
?
P
?
E
?
Air Draft
?
Foresail
Sail Area
?
I
?
J
?
Forestay Length
?

Auxilary Power

Make
Yanmar
Model
2YM15
HP
14
Fuel Type
Diesel
Fuel Capacity
12 gal / 45 l
Engine Hours
?

Accomodations

Water Capacity
13 gal / 49 l
Holding Tank Capacity
?
Headroom
?
Cabins
?

Calculations

Hull Speed
9.7 kn
Classic: 7.03 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

9.74 knots
Classic formula: 7.03 knots
Sail Area/Displacement
23.2
>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.
23.23
<16: under powered
16-20: good performance
>20: high performance
Ballast/Displacement
42.6
>40: stiffer, more 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

42.57
<40: less stiff, less powerful
>40: stiffer, more powerful
Displacement/Length
121.1
100-200: light

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
121.14
<100: ultralight
100-200: light
200-300: moderate
300-400: heavy
>400: very heavy
Comfort Ratio
18.4
<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
18.38
<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
1.9
<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
1.85
<2: better suited for ocean passages
>2: better suited for coastal cruising

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

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