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1979 Tartan 27-II resto-mod

Listed
Expired
$29,500 USD

Seller's Description

Tartan 27-II fresh water boat; keel centerboard Draft 3.2/6.4 Loadmaster Trailer: electric brakes, new tires, 2014 Volvo-Penta 18hp w/3bladed prop.191hrs Garmin NMEA 2000 GWS 10 wind vane/instrument/740S Chart plotter on custom swivel arm Modified: standing/running rigging to the cockpit for Solent rig with optional stay-sail. Anchor bow sprit, Lewmar windlass, washdown/sink pump, and teak swim platform and ladder. New (2014) fuel tank, holding tank w/gauge, water bladder, (2022) head. Ask about new water tank. call: 608-234-8116 More pictures and Lake Huron/North Channel sailing adventures: northstarsail.com/northstar-resto-mod/design northstarsail.com/northstar-resto-mod/exterior

Equipment: Trailer serviced with 4 new tires (09/22);(2013) 170 Genoa, jib, and staysail sails and roller furling, Mainsail, single reef back to the cockpit with 4 new (2013) Lewmar tailless winches and line clutches. Whisker pole, 4 anchors; 15k Bruce (50ft chain/200ft? rope), 10k Bruce, 10k Rancor, 7.5K Bruce (5ft chain/150ft rope), VHF, Garmin 740 chart plotter w/ Lake Huron and Midwest maps, GWS 10 wind vang and speed, depth. 2 burner propane stove, vented propane locker, new (2013) plexy windows/frames, and (2017) front hatch and hatch cover plexiglass. Full cockpit screen/awning. Cockpit teak grate. Spare GWS 10 wind/speed vang/instrument. New (2013) interior and exterior cushions. Dock lines, extra lines, fenders, and more. Custom winter boat cover. call: 608-234-8116 More pictures and Lake Huron/North Channel sailing adventures: northstarsail.com/northstar-resto-mod/northstar-interior

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Specs

Designer
Sparkman & Stephens
Builder
Tartan Yachts
Associations
?
# Built
64
Hull
Monohull
Keel
Stub + Centerboard
Rudder
?
Construction
FG

Dimensions

Length Overall
27 0 / 8.2 m
Waterline Length
21 5 / 6.5 m
Beam
8 0 / 2.4 m
Draft
3 2 / 1 m 3 2 / 1 m
Displacement
7,400 lb / 3,357 kg
Ballast
2,400 lb / 1,089 kg

Rig and Sails

Type
Yawl
Reported Sail Area
413′² / 38.4 m²
Total Sail Area
376′² / 35 m²
Mainsail
Sail Area
206′² / 19.1 m²
P
30 6 / 9.3 m
E
13 5 / 4.1 m
Air Draft
?
Foresail
Sail Area
170′² / 15.8 m²
I
34 7 / 10.6 m
J
9 10 / 3 m
Forestay Length
36 0 / 11 m
Mizzen
PY
12 11 / 4 m
EY
5 8 / 1.7 m

Auxilary Power

Make
Universal
Model
Atomic 4
HP
?
Fuel Type
Gas
Fuel Capacity
20 gal / 76 l
Engine Hours
?

Accomodations

Water Capacity
30 gal / 114 l
Holding Tank Capacity
?
Headroom
?
Cabins
2

Calculations

Hull Speed
6.3 kn
Classic: 6.2 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

6.26 knots
Classic formula: 6.2 knots
Sail Area/Displacement
17.4
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.
17.4
<16: under powered
16-20: good performance
>20: high performance
Ballast/Displacement
32.4
<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

32.44
<40: less stiff, less powerful
>40: stiffer, more powerful
Displacement/Length
336.0
275-350: 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
336.0
<100: ultralight
100-200: light
200-300: moderate
300-400: heavy
>400: very heavy
Comfort Ratio
27.9
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
27.87
<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
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
1.77
<2: better suited for ocean passages
>2: better suited for coastal cruising

Notes

Later version of the orginal TARTAN 27. Most notable differences from original: Raised sheer line, leveled out coach roof. Other modifications to interior.
As before, a yawl rig and inboard engine (Atomic 4) were available as options.

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

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