Seller's Description
1985 S2 7.9
Complete sailing package located on Lake Erie at North Cape Yacht club.
26ft Boat that sleeps four, trailerable, retractable centerboard, raise and drop the mast yourself.
Boat can be launched from boat ramp. Tows on double axle trailer with my F150 easily.
Four sails, Dacron fully battened main, 155 Kevlar, 135 Dacron, Jib Dacron, Symmetrical spinnaker. Also have three other spinnakers of different weights. Centerboard can be raised when sailing downwind and it will fly. Spinnaker pole, whisker pole, Unbridled Sailing boom launcher. All rigging in good shape. Kept up and serviced. Comes with Loos tension gauge.
Inboard powered by legendary Yanmar 1GM10, with glow plugs, runs great. Newer folding prop and dripless shaft seal. Upgraded two speed winches on cabin top. All are serviced and smooth.
Set of Raymarine ST40 gauges for speed, depth, temp, wind and electronic compass. Tiller autopilot Raymarine ST2000 , Compass, VHF Radio Solar panel with charger for Marine battery. New electrical panel. Needs new radio/speakers.
Toilet removed currently and Dometic CFX3 45 fridge/freezer installed, can be swapped easily.
Hull number 456 of 545 built. Tiara yachts was the parent company and they were built in Michigan. 7.9 is actually the length in meters and converts to 2511. Draft is 5 with keel down and 1 with keel up. The beam is 9 and weights in at 4250 pounds. It is a fractional rig with a handicap rating of 168-177 PHRF. Mast is deck stepped.
Nice trailer with 2 ball, two new tires, working lights. New cushions for the cockpit and drink holders. Extras like winch handles, Safety equipment, life jackets, etc. Canvas winter cover and setup to hold mast while trailering.
Really a fun boat that is completely ready to go. My family is more into the cruising style of sailing, so we are changing things up.
Specs
- Designer
- Graham & Schlageter
- Builder
- S2 Yachts
- Associations
- ?
- # Built
- 545
- Hull
- Monohull
- Keel
- Lifting
- Rudder
- ?
- Construction
- FG
Dimensions
- Length Overall
- 25′ 11″ / 7.9 m
- Waterline Length
- 21′ 8″ / 6.6 m
- Beam
- 8′ 11″ / 2.7 m
- Draft
- 1′ 1″ / 0.3 m — 4′ 11″ / 1.5 m
- Displacement
- 4,250 lb / 1,928 kg
- Ballast
- 1,680 lb / 760 kg
Rig and Sails
- Type
- Sloop
- Reported Sail Area
- 325′² / 30.2 m²
- Total Sail Area
- 325′² / 30.2 m²
Mainsail
- Sail Area
- 180′² / 16.7 m²
- P
- 29′ 5″ / 9 m
- E
- 12′ 2″ / 3.7 m
- Air Draft
- ?
Foresail
- Sail Area
- 145′² / 13.5 m²
- I
- 30′ 6″ / 9.3 m
- J
- 9′ 6″ / 2.9 m
- Forestay Length
- 31′ 11″ / 9.7 m
Auxilary Power
- Make
- ?
- Model
- ?
- HP
- ?
- Fuel Type
- ?
- Fuel Capacity
- ?
- Engine Hours
- ?
Accomodations
- Water Capacity
- ?
- Holding Tank Capacity
- ?
- Headroom
- ?
- Cabins
- 1
Calculations
- Hull Speed
-
7.6 kn
Classic: 6.24 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
-
19.8
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
-
39.4
<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
-
186.1
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
- Comfort Ratio
-
15.3
<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
-
2.2
>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
A few (17) were delivered with a fixed keel and masthead rig. (See S2 7.9FK for specs.)
Inboard power available as an option… BMW 7.5 hp diesel.
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