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Seller's Description

1972 Tartan 34C

Fully updated Tartan 34C Set up for offshore sailing All new North sails, new engine, new canvas, all new B&G electronics including autopilot. All systems upgraded (plumbing, electric, bilge pumps ) and meets US Sailings stringent offshore Safety Equipment Requirements. Full spec sheet available on request. Successfully completed 2021 Annapolis to Newport race 2023 Annapolis to Newport race (1st in class!) 2024 Annapolis to Bermuda race

This is a very special Tartan!

More detailed listing info here: https://www.dropbox.com/scl/fi/5q9wxnjw6zg0pnh364zwk/Iris-Spec-Sheet.pdf?rlkey=lnj3697lnkbtr8rurp6sktr7q&dl=0

Equipment: Mechanical Wheel Steering, with rudder stops on quadrant below, and emergency tiller New Beta 25 diesel engine 765 hours (Consumes 1/3G per hour at 2400 RPM) New Max-Prop feathering propeller plus a dripless PYI Shaft coupling New centerboard pin plus centerboard mechanism converted to dyneema.

Rig & Rigging New Forestay, Backstay, Backstay adjustor, and shrouds Solent stay (detachable / stowable inner stay for hank on storm / heavy weather sails) New US Spars boom with single line reefing Retractable Selden Bowsprit New Andersen 46 Primary Genoa winches, secondary spinnaker winches, new Anderson cabin top winch All running rigging led to cockpit clutches Wichard boom brake / preventer Two sets of T-Track for Jib / Genoa new Schaffer Genoa cars Tides Marine Strongtrack mainsail slide system Offshore SERs compliant lifelines

Sail Inventory 2022 North Sails 3Di Main with 3 reef points 2022 North Sails 3Di 155% Genoa (for furler) 2023 North Sails 3Di 125% Genoa (for furler) 2023 North Sails Dacron 100% hank on heavy weather Jib 2024 North Sails hank on safety orange storm jib

Cabin New lights, USB bunk outlets, varnish & cabin paint Origo alcohol stove Refrigeration Sink with pressurized water 5 Berths: 4 singles, 1 double. All have Lee cloths or Lee boards. New bunk / settee cushion foam & zippers. New Lonseal Wood Marine Flooring Matte Teak & Holly Fully up to date with fire extinguishers, fire blankets

Electrical Upgrades Rewired to ABYC standards, including new panel, new AGM batteries, solar power (2 x 100W panels, Victron Controller, Victron Solar and Battery monitor with Bluetooth iPhone interface. B&G Zeus3 7 chart plotter B&G Autopilot RAM / Controller, with Triton controller at helm, and remote control key fob. Additional B&G Triton display on cockpit bulkhead. B&G Wireless windpack, and B&G DST speed, depth, temperature sensor Full B&G AIS capability Standard Horizon Quantum VHF, plus 2nd station, Wireless Mic, Loud Hailer

Plumbing upgrades Plumbing all replaced, including fresh water hoses, new head, all new sewer hoses, completely cleaned and sanitized holding tank. All bilge hoses replaced, and dedicated thru-hulls added to comply with offshore Safety Equipment requirements. Cockpit drains also meet Offshore SERs with adequate drain capacity, and dedicated hoses and thru hulls. All hoses double clamped with high quality stainless clamps, with some rare exceptions where fitting sizing did not allow a 2nd clamp. Below waterline seacocks replaced in head and engine with bronze Grocco fittings. All new bilge pumps, including Whale sump pump, High Capacity pump at higher level, with high water alarm, plus two plumbed in manual bilge pumpsone at helm, one in cabin.

Anchoring Danforth Anchor with combination chain / rope rode Second anchor in stern locker Ideal Windlass with foot switch

Safety Gear 6 Person Viking offshore life raft in cabin top cradle with Hydrostatic release (optionalextra $) MOB Gear: Lifesling, Plastimo Inflatable IOR Dan Buoy, Strobe, throw line Sea anchor & fittings Drogue Jacklines Flare Kit

Winter Full Fairclough Winter Cover including frame Groco SSC Adaptor for easy engine winterization

Specs

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

Dimensions

Length Overall
33 11 / 10.4 m
Waterline Length
?
Beam
10 0 / 3.1 m
Draft
4 0 / 1.2 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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