Seller's Description
Siren 17, 1983 Located Wilkesboro, North Carolina
6 hp Evinrude long shaft motor Watersnake Tracer 54lb thrust 42” trolling motor, never used Wiscot trailer with spare tire, accepts 1 7/8 inch ball Clean title for boat and trailer in my name Has a lot of original equipment: Original main and roller furling jib, both usable Mast, boom, whisker pole Bow and stern pulpits, cockpit lifelines Cabin table Full original cushion set Plumbed for pump out toilet that I can’t imagine has ever been used Front port which can be opened Also has: a light air genoa that I never used so can’t say if its correct size mushroom anchor and rode Seems to have been in fresh water nearly its entire life Sailed last two seasons but I am getting too old for the maintenance, so comes with some deferred maintenance!
Specifications
Length: 17’ 2” Beam: 6’ 8” 140 lb galvanized swing keel Draft 8” up, 4’ 3” down Displacement: 750 lbs Sail Area: 145 sq. ft. or phone 561 657-9116
Specs
- Designer
- Hubert Vandestadt
- Builder
- Vandestadt and McGruer Ltd.
- Associations
- ?
- # Built
- 3200
- Hull
- Monohull
- Keel
- Swing
- Rudder
- ?
- Construction
- FG
Dimensions
- Length Overall
- 17′ 1″ / 5.2 m
- Waterline Length
- 14′ 11″ / 4.6 m
- Beam
- 6′ 7″ / 2 m
- Draft
- 0′ 7″ / 0.2 m — 4′ 3″ / 1.3 m
- Displacement
- 750 lb / 340 kg
- Ballast
- 130 lb / 59 kg (Iron)
Rig and Sails
- Type
- Sloop
- Reported Sail Area
- 139′² / 12.9 m²
- Total Sail Area
- 139′² / 12.9 m²
Mainsail
- Sail Area
- 88′² / 8.2 m²
- P
- 22′ 0″ / 6.7 m
- E
- 8′ 0″ / 2.4 m
- Air Draft
- ?
Foresail
- Sail Area
- 51′² / 4.7 m²
- I
- 16′ 11″ / 5.2 m
- J
- 6′ 0″ / 1.8 m
- Forestay Length
- 18′ 0″ / 5.5 m
Auxilary Power
- Make
- ?
- Model
- ?
- HP
- ?
- Fuel Type
- ?
- Fuel Capacity
- ?
- Engine Hours
- ?
Accomodations
- Water Capacity
- ?
- Holding Tank Capacity
- ?
- Headroom
- ?
- Cabins
- ?
Calculations
- Hull Speed
-
7.7 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
- Sail Area/Displacement
-
27.0
>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
-
17.4
<40: less stiff, less 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
- Displacement/Length
-
99.3
<100: Ultralight
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
-
5.9
<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
- Capsize Screening
-
2.9
>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
One of the most successful production sailboats built in Canada (in this size range).
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