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Seller's Description

The owner bought this boat in 2019

General condition and any additional information

S2 was made in Holland Michigan by Tiara. Hand-laid fiberglass with plenty of teak inside. Knot Dreamin has always had great care and fresh water. Reasonable delivery available.

Standard features

Center cockpit with wheel and auto pilot. Reliable yanmar diesel engine. Double reef main with newer sail cover and lazy jacks. Roller furling genoa and self tailing winches, whisker pole. Spinaker with sock and pole. Dodger and bimini plus cockpit cushions. Garmin plus speed and depth gauges. Stereo and VHF in cabin plus portable VHF. Magma propane grill. Sleeps 5 or 6. 2 in separate rear cabin with custom 8 memory foam matress. 2 in V berth with additional 4 foam padding. 1 in starboard settee. Port settee for additional child.

Extra gear included

Galvanized fluke anchor with 20 galvanized chain plus 150 marked rope. Plenty of dock lines and boat bumpers. Radar reflector. Many new extra replacement parts.

Improvements to the hull, deck, rigging, engine, or interior

Hull waxed annually plus VC 17 yearly. New prop and rebuildt improved strute to hull area. All balanced August 2019.

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Specs

Designer
Arthur Edmunds
Builder
S2 Yachts
Associations
?
# Built
426
Hull
Monohull
Keel
Fin
Rudder
Skeg
Construction
FG

Dimensions

Length Overall
29 11 / 9.1 m
Waterline Length
25 0 / 7.6 m
Beam
10 2 / 3.1 m
Draft
4 11 / 1.5 m
Displacement
9,800 lb / 4,445 kg
Ballast
4,000 lb / 1,814 kg

Rig and Sails

Type
Sloop
Reported Sail Area
469′² / 43.6 m²
Total Sail Area
468′² / 43.5 m²
Mainsail
Sail Area
208′² / 19.4 m²
P
33 11 / 10.4 m
E
12 2 / 3.7 m
Air Draft
43 6 / 13.3 m
Foresail
Sail Area
260′² / 24.2 m²
I
39 11 / 12.2 m
J
12 11 / 4 m
Forestay Length
42 0 / 12.8 m

Auxilary Power

Make
Yanmar
Model
2GM
HP
?
Fuel Type
Diesel
Fuel Capacity
30 gal / 114 l
Engine Hours
?

Accomodations

Water Capacity
37 gal / 140 l
Holding Tank Capacity
?
Headroom
?
Cabins
?

Calculations

Hull Speed
7.2 kn
Classic: 6.7 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

7.16 knots
Classic formula: 6.7 knots
Sail Area/Displacement
16.4
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.
16.39
<16: under powered
16-20: good performance
>20: high performance
Ballast/Displacement
40.8
>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

40.81
<40: less stiff, less powerful
>40: stiffer, more powerful
Displacement/Length
280.0
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
279.99
<100: ultralight
100-200: light
200-300: moderate
300-400: heavy
>400: very heavy
Comfort Ratio
25.6
20-30: coastal cruiser

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
25.64
<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
1.91
<2: better suited for ocean passages
>2: better suited for coastal cruising

Notes

The suffix ‘C’ is for center cockpit.
Shoal draft: 3.92’/1.19m.

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

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