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Seller's Description

This is one of the later boat produced that has the carbon fiber mast (hence the 260), but is much like the original Hinterhoeller built Nonsuch 26. The boat boasts quality construction, an abundance of comfort and beautiful interior detailing. In addition, with the keel-stepped, unstayed mast, wishbone boom and single sail, this cat-rigged boat is easily sailed by one, but can accommodate 4 in two cabins with 62 headroom. performance and accommodations. Calypso does sail to weather quite nicely with her efficient underbody, keel and spade rudder. The carbon mast is a bonus over the original spun aluminum mast in that weight aloft is significantly reduced, which enhances performance, eliminates pitch-poling and you can carry the sail plan into higher wind ranges before the need to reef. The wishbone boom functions like a boom with a loose-footed sail, and moves fore and aft with a choker line which acts as an outhaul to increase or decrease draft in various wind conditions. The beam is carried well aft and the boat is so easy to work on with large spaces below decks that are accessible. Her interior sleeps 4 in a double forward 66 berth and two single settees. A table folds down in the main salon for comfortable seating while dining. The head, with hot & cold water, shower and privacy door is on the starboard side aft of the settee and across lies the U-shaped galley. This is one of the cleanest well maintained Nonsuch 260 on the market with many upgrades! Features: - New Blue Hull Paint - Like New Canvas - New Instruments - Shoal Draft - Carbon Fiber Mast - New Interior Cushions - No Blisters, stored on a lift and much more!

Equipment: Electrical Equipment - Shore Power Inlet Electronics - Depthsounder - Log-Speedometer - Wind Speed and Direction - Plotter - Compass - CD Player - GPS - VHF Inside Equipment - Electric Bilge Pump - Marine Head - Hot Water - Refrigerator - Battery Charger Rigging - Steering Wheel Sails - Battened Mainsail

The Company offers the details of this vessel in good faith but cannot guarantee or warrant the accuracy of this information nor warrant the condition of the vessel. A buyer should instruct his agents, or his surveyors, to investigate such details as the buyer desires validated. This vessel is offered subject to prior sale, price change, or withdrawal without notice.

Specs

Designers
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Builders
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Associations
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# Built
?
Hull
Monohull
Keel
?
Rudder
?
Construction
?

Dimensions

Length Overall
25 11 / 7.9 m
Waterline Length
?
Beam
10 7 / 3.2 m
Draft
?
Displacement
?
Ballast
?

Rig and Sails

Type
?
Reported Sail Area
?
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
?

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

?
Classic formula: ?
Sail Area/Displacement
?

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: 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
?

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
?
<100: ultralight
100-200: light
200-300: moderate
300-400: heavy
>400: very heavy
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
?
<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
?

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: 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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