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Seller's Description

The Byte CII is a lightweight, single-handed sailing dinghy featuring a carbon fiber mast and a fully battened mylar sail. It is designed to be suitable for a wide weight range of sailors and is particularly popular for youth and women’s sailing competitions. Due to its manageable design and self-depowering capabilities, it is considered a good choice for beginner to intermediate-level sailors.

The boat was bought second-hand but has been lightly used and continuously well-maintained. It has two mainsails, the one it came with and a virtually new one (sailed not more than a dozen times). All rigging was replaced, and it has been stored under a cover (the cover was also recently replaced). The board, blades, and sails have been stored inside. The inspection port bag was replaced with a solid water bottle holder. It also comes with a dolly.

The Byte CII is great for sailors who want to learn the mechanics of sailing on a fun dinghy or those who sail on big boats and want to improve their tactical skills and driving abilities. The boat was designed for women and youth sailors who want a responsive boat that is easier to hold down than a laser. It can also be a great dinghy for becoming more nimble in preparation for sailing skiffs.

$1500 (OBO) for the total package: boat, carbon fiber mast, boom, and all rigging, 2 fully battened sails, centerboard, rudder, and tiller in a padded gear bag, boat cover, and dolly. This is a great boat that’s ready to drop in the water and go sailing.

Specs

Designers
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Builders
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Associations
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# Built
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Hull
Monohull Dinghy
Keel
Centerboard
Rudder
?
Construction
Fiberglass

Dimensions

Length Overall
11 9 / 3.6 m
Waterline Length
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Beam
4 3 / 1.3 m
Draft
?
Displacement
?
Ballast
?

Rig and Sails

Type
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Reported Sail Area
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Total Sail Area
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Mainsail
Sail Area
73′² / 6.8 m²
P
?
E
?
Air Draft
?
Foresail
Sail Area
?
I
?
J
?
Forestay Length
?

Auxilary Power

Make
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Model
?
HP
?
Fuel Type
?
Fuel Capacity
?
Engine Hours
0

Accomodations

Water Capacity
?
Holding Tank Capacity
?
Headroom
?
Cabins
?

Calculations

Hull Speed
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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

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

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<40: less stiff, less powerful
>40: stiffer, more powerful
Displacement/Length
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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
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<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
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<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
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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
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