The Tradewind 35 Sailboat
Specs & Key Performance Indicators

The Tradewind 35, a long-keeled cutter, was designed by John Rock and built in the UK by Blondecell Ltd.

'Barnstormer', a Tradewind 35 heavy displacement cruising yachtA Tradewind 35 flush-decked cruising yacht prepares to drop the hook in Plymouth Sound, UK

Published Specification for the Tradewind 35

Underwater Profile: Long keel

Hull Material: GRP (Fiberglass)

Length Overall: 35'0" (10.67m)

Waterline Length: 25'10" (7.87m)

Beam: 10'6" (3.2m)

Draft: 5'6" (1.68m)

Rig Type: Cutter

Displacement: 19,442lb (8,819kg)

Designer: John Rock

Builder: Blondecell (UK)

Year First Built: 1975

Number Built: 70

Published Design Ratios for the Tradewind 35

Sail Area/Displacement Ratio: 16.1

Ballast/Displacement Ratio: 42.6

Displacement/Length Ratio: 504

Comfort Ratio: 45.9

Capsize Screening Formula: 1.6

read more about these all-revealing numbers...

Summary Analysis of the Design Ratios for the Tradewind 35

1. A Sail Area/Displacement Ratio of 16.1 suggests that the Tradewind 35 will, in the right conditions, approach her maximum hull speed readily and satisfy the sailing performance expectations of most cruising sailors.

2. A Ballast/Displacement Ratio of 42.6 means that the Tradewind 35 will stand up well to her canvas in a blow, helping her to power through the waves.

3. A massive Displacement/Length Ratio of 504, tells us the Tradewind 35 is firmly in the ultra-heavy displacement category. Load her up as much as you like and her performance will be hardly affected, not that it was ever startling. Few if any sailboats are built to this displacement category these days - but they remain popular with some long-distance sailors.

4. Ted Brewer's Comfort Ratio of 45.9 suggests that crew comfort of a Tradewind 35 in a seaway is similar to what you would associate with the motion of a heavy bluewater cruising boat. Pitching and rolling will be well damped - your cup of coffee on the salon table stands a reasonable chance of staying there in most conditions.

5. The Capsize Screening Formula (CSF) of 1.6 tells us that a Tradewind 35 would be a safer choice of sailboat for an ocean passage than one with a CSF of more than 2.0.

Tradewind 35 Sailboat: A Classic Ocean Cruiser

If you are looking for a sailboat that can take you anywhere in the world, you might want to consider the Tradewind 35. This is a classic ocean cruising yacht, with a 30-year pedigree. Designed by John Rock and built by Tradewind Yachts, the Tradewind 35 is a sturdy, seaworthy and comfortable boat that will inspire complete confidence in any sailor.

The Tradewind 35 is a cutter-rigged monohull with a long keel and a heavy displacement. It has a solid fiberglass hull with encapsulated internal ballast and a balsa/ply cored deck. It is 10.7 meters long overall, with a waterline length of 7.9 meters, a beam of 3.2 meters and a draft of 1.7 meters. It has a displacement of 8,819 kilograms and a ballast of 3,759 kilograms. The reported sail area is 67.4 square meters.

The Tradewind 35 was originally designed in the 1970s, but new boats continue to be built today. It is thought that at least 70 of this type exist. The Tradewind 35 is also known as the Tradewind 33, as it was originally marketed under that name.

The Tradewind 35 has a spacious and cozy interior, with plenty of headroom and storage space. It can accommodate up to six people in two separate cabins and the saloon. The forward cabin has a V-berth with an infill cushion, a hanging locker and shelves. The aft cabin has a double berth, a hanging locker and shelves. The saloon has two settees that can convert into single berths, a folding table and lockers. The navigation station is located on the starboard side of the saloon, with a large chart table, an instrument panel and a seat. The galley is located on the port side of the saloon, with a two-burner stove with oven, a sink, a refrigerator and ample counter space and storage. The head is located aft of the navigation station, with a marine toilet, a sink and a shower.

Hull and Deck
The hull of the Tradewind 35 is made of solid fiberglass, with no core or filler materials. The ballast is encapsulated in the keel cavity, which eliminates the possibility of keel bolts corrosion or leakage. The deck is made of balsa/ply sandwich construction, which provides strength and insulation. The deck is also reinforced with hardwood pads where fittings are attached.

The deck layout of the Tradewind 35 is simple and functional, with wide side decks, high bulwarks and sturdy handrails for safety and comfort. The cockpit is deep and well protected, with high coamings and a dodger. The cockpit can be accessed from either side or from the transom. The cockpit has a single wheel steering system, with engine controls and instruments on the pedestal. There are also two large cockpit lockers for storage.

The deck hardware of the Tradewind 35 is of high quality and well maintained. There are four self-tailing winches for the headsails and two winches for the mainsail on the coachroof. There are also two winches for the running backstays on the aft quarters. The boat has stainless steel stanchions, lifelines, pulpits and pushpits. There are also six mooring cleats, two bow rollers, an anchor locker, an electric windlass and an anchor washdown system.

Mast and Rigging
The mast of the Tradewind 35 is made of aluminum alloy and is keel-stepped for extra strength and stability. The mast has two sets of spreaders and is supported by stainless steel wire rigging with swaged terminals. The mast has an internal conduit for wiring and halyards.

The rig of the Tradewind 35 is a cutter rig, which means it has two headsails: a genoa and a staysail. The genoa is roller-furled on the forestay, while the staysail is hanked on to an inner forestay that can be tensioned or released by running backstays. The mainsail is slab-reefed on the boom, with three reef points and lazy jacks.

The sails of the Tradewind 35 are made of dacron fabric and are in good condition. They include a mainsail, a genoa, a staysail, a storm jib and an asymmetric spinnaker.

Keel and Rudder
The keel of the Tradewind 35 is a long keel that runs almost the entire length of the hull. This gives the boat excellent directional stability and tracking ability, as well as protection for the propeller and the rudder. The keel has a moderate draft of 1.7 meters, which allows the boat to access most harbors and anchorages.

The rudder of the Tradewind 35 is a skeg-hung rudder, which means it is attached to a fin that extends from the keel. This provides additional support and strength for the rudder, as well as protection from grounding and collision. The rudder is controlled by a single wheel in the cockpit, with a cable and quadrant system.

The Tradewind 35 is a classic ocean cruising yacht that offers a combination of performance, comfort and safety. It is a well-built, well-equipped and well-maintained boat that can handle any weather and sea condition. It is ideal for recreational sailors who want to explore the world in style and confidence.

The above text was drafted by using GPT-4 (OpenAI’s large-scale language-generation model) as a research assistant to develop source material; we believe it to be accurate to the best of our knowledge.

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