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Seller's Description

Go to Sailing Texas classifieds for current sailboats for sale Com-Pac, Sun Cat 17, 2008 sailboat for sale with Trailer, Outboard, Cockpit Cushions, Bimini

Teak Grate Cockpit Mastendr Plus Quick-Rig Sailing System The Mastendr Plus System was Added by the Previous Owner Footage is Provided on the Mastendr Plus System

Standard Equipment Mastendr Plus Quick-Rig Sailing System Two opening cabin ports and one fixed port Twin 6’5” Settee Berths with cushions Storage for porta-potty Teak and holly cabin sole, oil finished Mahogany and ash laminated tiller Chain locker and battery compartment Mainsheet traveler and quick-release mainsheet Three stainless-steel mooring cleats Stainless-steel rub rail Stainless-steel retractable motor bracket Cockpit-seat storage lockers Forward opening hatch, main slide hatch and teak main-hatch boards Bilge pump Storage for 6-gallon fuel tank Teak and stainless-steel boom gallows Gaff-headed Dacron sail with one reef High-aspect aluminum kick-up rudder Metallic cove stripe and waterline Teak cabin handrails and trim Stainless-steel towing/mooring bow eye

Accommodations 3’6 sitting headroom for adults Forward lift hatch Main slide hatch Two opening cabin ports providing ventilation and light flood the cabin Four large settee storage bins Plenty of space for galley equipment and stores as well Space for a porta potty Teak trim Cabin sole Hatch boards and hull-ceiling strips, quality upholstery promises comfort as well as good looks S.S cleats S.S outboard bracket S.S Chock’s Folding S.S boarding ladder (OPT.) Cockpit coaming Opening ports Self bailing cockpit Stow pins P & S Settee/Berth P & S Storage under step Boom gallows Trailer Outboard Cockpit cushions Bimini Teak Grate Cockpit

SOLD

Specs

Designer
Clark Mills
Builder
Com-Pac Yachts
Associations
?
# Built
?
Hull
Monohull
Keel
Stub + Centerboard
Rudder
?
Construction
FG

Dimensions

Length Overall
17 3 / 5.3 m
Waterline Length
14 11 / 4.6 m
Beam
7 3 / 2.2 m
Draft
1 1 / 0.4 m 4 5 / 1.4 m
Displacement
1,500 lb / 680 kg
Ballast
?

Rig and Sails

Type
Gaff-Cat
Reported Sail Area
150′² / 13.9 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
6.2 kn
Classic: 5.19 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

6.17 knots
Classic formula: 5.19 knots
Sail Area/Displacement
18.3
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.
18.33
<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
198.6
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
198.56
<100: ultralight
100-200: light
200-300: moderate
300-400: heavy
>400: very heavy
Comfort Ratio
10.5
<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
10.48
<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
2.5
>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
2.53
<2: better suited for ocean passages
>2: better suited for coastal cruising

Notes

A daysailer model (without the cuddy/cabin) is also available.

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

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