Seller's Description
2013 Nacra 17 #136 ( simi-Foiling ) C - or Curved Daggerboards setup.Boat is in good shape and barely used as a training platformLots of custom extras on this boat. Carbon Mast.This is not the current Olympic foiling version but most of the parts are compatible and or interchangeable. Carbon mast & sails are worth the asking price alone or can be use on current foiling model. Used as a trainer this model is faster upwind as the foiling version doesn’t foil upwind so its a great training boat for upwind speed testing platform. Extras: L & S Zhik Harness ( 2 ) mast coverHull & Tramp Cover - Non trailer see pics Snorkel ( spin bag ) cover - Sunbrella canvas Rudder & Daggerboard coversupgraded tramp12 & 10 to 1 mainsheet top block setupsister clevis pins throw-out vs cotter pins & rings ( no cotter rings ) double auto ratchet blocks on spin sheet ( inside & outside ) Galvanized Trailer is NOT included but optional for 2k with custom cradlesNO tiller extension or cat tracks.more pics on Google Drive link https://drive.google.com/drive/folders/0B3e_eMFSPIuWRnl2d3lvTUU4X0k?resourcekey=0-H4KzT_vjlaMl8s2mJMwtVA&usp=sharingLeave a message if you call & want a call back!
Specs
- Designer
- Morrelli & Melvin
- Builder
- NACRA Catamarans
- Associations
- ?
- # Built
- ?
- Hull
- Catamaran
- Keel
- Twin Daggerboard
- Rudder
- ?
- Construction
- GRP carbon epoxy
Dimensions
- Length Overall
- 17′ 2″ / 5.3 m
- Waterline Length
- ?
- Beam
- 8′ 5″ / 2.6 m
- Draft
- 0′ 4″ / 0.1 m — 3′ 4″ / 1 m
- Displacement
- 300 lb / 138 kg
- Ballast
- ?
Rig and Sails
- Type
- Sloop
- Reported Sail Area
- 216′² / 20.1 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
- ?
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
- Sail Area/Displacement
-
76.4
>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.
- 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
- 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
- Comfort Ratio
- ?
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
- Capsize Screening
-
5.1
>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
Notes
Carbon mast and carbon epoxy high aspect curved daggerboards.
Spin. Area 19m2/204 sq.ft.
Used as 2 person catamaran class for 2016 Olympics.
A new, ‘foiler’ version has been under development. The intent is to make it so original boats can be retrofitted. (7/16)
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