Seller's Description
Rare 1966 Seafarer Kestrel Nantucket # 135
Sparkman & Stephens design # 1631 Built in Huntington, NY with all original paperwork from builder.
Single family owned.
Constructed in double strength fiberglass with exterior and interior teak trim and solid bronze hardware. This classic design features a shoal draft, full keel with a swing centerboard and is at home in shallow as well as near shore waters.
This Nantucket sub-model features a large open cockpit capable of accommodating up to six adults. She sleeps four adults utilizing a v-birth and two quarter berths. Cabin includes cushions, 12 volt lighting, small sink, gimbaled stove and head.
She has a fresh, crispy suit of North Sails - Main and two headsails, 80% and 100% as well as an older asymmetrical cruising spinnaker “Flasher” for light air. Auxiliary propulsion provided by one of two vintage, running 9.5 HP OMC outboards that tilt up out of view into an enclosed engine compartment with bomber doors.
Included is a custom made galvanized trailer made in 2016 by Triad Trailers which has been used in fresh water one time. This excellent condition trailer features an extendable tongue, spare tire with trailer mount, stainless disc brakes, torsion axle, forward mast carrier, keel guide, LED lights. Gross vehicle weight rating 5700 pounds.
She is sailable in her current condition but she needs refurbishing.
This is a beautiful, classic day sailor/pocket cruiser.
Equipment: Two running 9.5 HP OMC outboards. New North Sails, Sunbrella sail cover, Gin pole with winch for easy mast raising and lowering, anchor, bronze winch handles, life jackets.
Specs
- Designer
- Sparkman & Stephens
- Associations
- ?
- # Built
- ?
- Hull
- Monohull
- Keel
- Stub + Centerboard
- Rudder
- ?
- Construction
- FG
Dimensions
- Length Overall
- 22′ 11″ / 7 m
- Waterline Length
- 16′ 6″ / 5 m
- Beam
- 6′ 11″ / 2.1 m
- Draft
- 2′ 3″ / 0.7 m — 2′ 3″ / 0.7 m
- Displacement
- 3,700 lb / 1,678 kg
- Ballast
- 1,400 lb / 635 kg (Iron)
Rig and Sails
- Type
- Sloop
- Reported Sail Area
- 229′² / 21.3 m²
- Total Sail Area
- 229′² / 21.3 m²
Mainsail
- Sail Area
- 127′² / 11.8 m²
- P
- 23′ 0″ / 7 m
- E
- 10′ 11″ / 3.4 m
- Air Draft
- ?
Foresail
- Sail Area
- 102′² / 9.5 m²
- I
- 26′ 10″ / 8.2 m
- J
- 7′ 7″ / 2.3 m
- Forestay Length
- 27′ 10″ / 8.5 m
Auxilary Power
- Make
- ?
- Model
- ?
- HP
- ?
- Fuel Type
- ?
- Fuel Capacity
- ?
- Engine Hours
- ?
Accomodations
- Water Capacity
- 15 gal / 57 l
- Holding Tank Capacity
- ?
- Headroom
- ?
- Cabins
- ?
Calculations
- Hull Speed
-
5.4 kn
Classic: 5.44 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
-
15.3
<16: under powered
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
-
37.8
<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
-
367.5
300-400: heavy
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
-
23.1
20-30: coastal cruiser
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
-
1.8
<2.0: better suited for ocean passages
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
S&S design #1631.
Imported by Seafarer. Also called KESTREL 22. ‘CRUISE’ is a designation used here for at least 2 versions of this yacht. Earlier literature shows 2 deck layouts and 2 accommodation plans being offered, resulting in four versions: CATALINA, NASSAU, NANTUCKET and MONHEGAN. The boat displayed here has a larger and longer coach roof and shorter cockpit in addition to a few other minor differences from the DAYSAILER versions. The boat shown also has an extended stern (The original S&S design listed LOA at 22’.)
By 1969 all versions were promoted as SEAFARER SAIL’N TRAIL 23. The small cabin version was the ‘OLYMPIC’, the medium was the CATALINA, and one with the largest cabin the ‘NANATUCKET’.
There is also another, later, SEAFARER 23 (built at Seafarers Long Island, NY, USA plant), which is a completely different design.
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