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1987 O'Day 35

Listed
Price Reduced
$35,000 USD
$40,000

Seller's Description

The Oday 35 is an excellent sailing (PHRF 144), comfortable, solidly built cruiser with superior glass and gel-coat and a built-in swim-step. Interlude has just undergone an extensive refit from top to bottom, completed in Spring 2023 to bring her into Bristol condition. Starting with a two-owner, lightly sailed New England boat in excellent condition, EVERYTHING has been replaced or refurbished and improved. All work is first-rate with quality components, better than OEM. Needs nothing if you look at 50 boats, this will be the nicest.

Equipment: Mast and Rigging: New anchor light, Steaming/deck light combo, all wiring, VHF cable and antenna, Mast Head Sheaves, Boom Sheaves. All new standing rigging. All new running rigging. New ProFurl C320 roller furler. New custom chainplates. Sail control lines brought back to the cockpit: all new mast base blocks, deck organizers and rope clutches. Deck: Deck is clean, solid and dry, hardware has been removed, moisture intrusion addressed, epoxy potted and rebedded. All new cleats, anchor locker hinges, lifelines, Stainless Steel deck fills, Winches re-chromed, 6 new Lewmar Standard opening portlights (look much better), Exterior teak re-finished, synthetic teak toe-rail. Hull: The hull is in excellent condition with gelcoat that puts newer boats to shame. The bottom was sandblasted (zero blisters), added barrier coat and ablative paint. New rudder from Foss Foam (superior design). All new Groco flanged through-hulls with proper backing plates. Bonding system re-wired. Clean and dry bilge. Keel was shipped to Mars Metal in Canada who installed 7 new 316 Stainless Steel keel bolts, stripped and faired the keel and epoxy coated it. The keel was re-installed by International Marine Composites in Bristol, RI (factory keel installer for J-Boats) and is better than when the boat left the factory. Three of the original keel bolts had corrosion only visible when the nuts and washers were removed can happen to any boat, no worries with this boat. Interior: In excellent condition, including the cushions. All teak has been refinished, Custom galley and navigation station, New galley sink and faucet. Propane oven , JVC audio/video head unit (200 watts), 32 inch Jensen flat-screen TV, 4 speakers (JBL, ADS). All new bilge pump and cockpit drain hoses (Trident). Head: Recent Raritan PHII head, completely rebuilt, all new hoses (Saniflex), new Todd 15 gallon holding tank. Engine: Universal M-25. Clean, low hour engine in excellent condition, runs like a top, with all updates. All new wiring and engine instrument panel with added tachometer and overheat alarm. New motor mounts, Glow Plugs with relay, New fuel tank, complete Racor fuel filter, Facet fuel pump and all fuel lines. Heat exchanger refurbished. Oberdorfer raw water pump, just rebuilt. All new propeller shaft (Aquamet 22), PSS dripless shaft seal, coupler and cutlass bearing. New exhaust hose and engine hoses. Sails: Jib: 110 on furler with 3 season of light use, excellent condition. Main: Dutchman system, 6 seasons of light use, very good condition, cover. Electric: 2 new Duracell Golf Cart Batteries, new Group 31 Diehard Marine battery as reserve/starter battery (345 amp hours, plenty of capacity). Blue Seas ACR (Automatic Charging Relay). 50 Watt solar panel with Victron MPPT controller. All new battery cables, positive and negative buss bars added, lots of new wiring properly fused and heat sealed. Pro-Mariner battery charger, shore power cord. Electronics: Garmin 741XL GPS/Chartplotter, Data Marine depth sounder, Icom 422 VHF radio, external speaker at helm. Extras: New unused Manson Supreme anchor, rode and chain, Danforth back-up. Simrad WP-32 autopilot, Sunbrella cockpit cushions. Edsen cockpit table with drink tray. Dodger. Dorade vents. Coast Guard safety equipment, Life-Sling, dock lines, fenders, spares.

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Specs

Designers
Raymond Hunt (C.R. Hunt & Assoc.)
John Deknatel
Builders
Bangor Punta Corp.
O'Day Corp.
Associations
?
# Built
?
Hull
Monohull
Keel
Fin
Rudder
Spade
Construction
FG

Dimensions

Length Overall
35 0 / 10.7 m
Waterline Length
28 8 / 8.8 m
Beam
10 11 / 3.4 m
Draft
4 11 / 1.5 m
Displacement
11,500 lb / 5,216 kg
Ballast
4,600 lb / 2,087 kg (Iron)

Rig and Sails

Type
Sloop
Reported Sail Area
524′² / 48.7 m²
Total Sail Area
524′² / 48.7 m²
Mainsail
Sail Area
223′² / 20.7 m²
P
37 11 / 11.6 m
E
11 8 / 3.6 m
Air Draft
?
Foresail
Sail Area
301′² / 28 m²
I
43 0 / 13.1 m
J
14 0 / 4.3 m
Forestay Length
45 2 / 13.8 m

Auxilary Power

Make
Universal
Model
M25
HP
21
Fuel Type
Diesel
Fuel Capacity
50 gal / 189 l
Engine Hours
?

Accomodations

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

Calculations

Hull Speed
8.3 kn
Classic: 7.18 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

8.32 knots
Classic formula: 7.18 knots
Sail Area/Displacement
16.5
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.
16.46
<16: under powered
16-20: good performance
>20: high performance
Ballast/Displacement
40.0
>40: stiffer, more 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

40.01
<40: less stiff, less powerful
>40: stiffer, more powerful
Displacement/Length
216.3
200-275: moderate

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
216.25
<100: ultralight
100-200: light
200-300: moderate
300-400: heavy
>400: very heavy
Comfort Ratio
22.9
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
22.93
<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
2.0
<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
1.99
<2: better suited for ocean passages
>2: better suited for coastal cruising

Notes

Similar to O’DAY 34 but with swim ladder on extended stern which accounts for extra length.
Shoal draft: 4.25’/1.29m
See O’DAY 34.

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