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Seller's Description

If you are reading this, the boat is still available. Spirit is a 1974 Sabre 28 extensively updated since 2010 and sailed on Lake Superior for much of that time. Currently located on Cayuga Lake but her custom cradle makes it fairly easy to relocate her. While cosmetically she could benefit from some fresh paint, she is exceptionally well equipped and ready for just about any adventure!

Equipment: Accommodations (2) forward berths in V berth Sunbrella upholstery and foam cushions in good shape (2) berths in main salon, including one that converts to a double Sunbrella upholstery and foam cushions in good shape Head and hoses updated in 2014 including polyethylene holding tank under v-berth . Very good condition Electronics Standard Horizon Matrix VHF radio with AIS rx and tx, and remote mic for helm Raymarine Autohelm with remote control Raymarine Depth Gauge i50 Raymarine i50 Speed gauge Wind speed Tiktack 105 wireless system Raymarine MFD Digital Yacht Bluetooth NMEA repeater to view instrument data on phones and tablets via app Electrical 12 volt elec system 74 amp hr batteries circuit breaker switch panel updated with LED cabin lights and forward cabin lights navigational lights 110 shore power with chargers Engine and propulsion Original Atomic 4 Starts and runs great Improvements: -Electronic ignition -MMI flange water pump for easy maintenance -New Zenith Carb (2022) -Adjustable main jet -Engine mounted electric fuel pump (new 2023) -Upgraded gauges including Tach Sails & Rigging Aluminum mast and boom updated for shorthanded sailing (most running rigging led to cockpit) Full batten Mainsail - Rolly Tasker Offshore Crosscut with three reefing points (Premium Blue Water). Jiffy reefing lines led to cockpit for convenience and safety - Very good condition 135 Genoa Rolly Tasker Offshore Crosscut (Premium Blue Water) Very good condition. On furler (see below) with protective sun strip New Harken MKIV Unit 0 jib reefing and furling system (2023) Custom Asymmetric Spinnaker UK Sailmakers, with turtle bag, rigged for easy hoisting and lowering New in 2018 but rarely used since moving to smaller lake (Excellent Condition). New adjustable whisker pole with mount on cabin top Retractable bow sprit with foredeck reinforcement in anchor locker Symmetrical spinnaker with pole and rigging (has not been used since I have owned the boat. Believed to still be very useable). Pole was powder coated white and has been stored in garage. Storm sail unused, like new Garhauer traveler system Significant upgrade from original with ball bearings, heavy duty construction Edson helm steering with added pedestal guard, instrument pods/mounts, USB jacks, and cup holders. Vang system also supports boom when sail is lowered All winches replaced and upgraded since 2010. Garheuer davit system with transom mounts. System is removable. Note Sabre hull shape and size only accommodates small, lightweight dinghy off transom. Always towed or stored dinghy on bow when cruising for better weight distribution. Mercury Airdeck 270 dinghy, stored in case and like new Custom Sunbrella dodger with handholds and new Isinglass (2023) fair condition Custom Sunbrella bimini behind mainsheet for added sun protection. Incorporates mounts for solar panel (included). Custom Sunbrella awning with retractable poles for cockpit protection when not under sail Magma Grill with cover and pulpit mount. Cockpit cushions Vinyl with straps, good condition Anchor bow roller with Rocna anchor Blue Performance sheet bags (Transom (1) , Bulkhead (2), and in cabin (for misc items) New bilge pump (2023) with monitor Cabin fans Rope clutches Many other extras too!

Specs

Designers
?
Builders
?
Associations
?
# Built
?
Hull
Monohull
Keel
?
Rudder
?
Construction
?

Dimensions

Length Overall
27 11 / 8.5 m
Waterline Length
?
Beam
8 11 / 2.7 m
Draft
4 3 / 1.3 m
Displacement
?
Ballast
?

Rig and Sails

Type
?
Reported Sail Area
?
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
1

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

?
Classic formula: ?
Sail Area/Displacement
?

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.
?
<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
?

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
?
<100: ultralight
100-200: light
200-300: moderate
300-400: heavy
>400: very heavy
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
?
<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
?

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: better suited for ocean passages
>2: better suited for coastal cruising

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

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