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Bristol 35.5

1978–1996 · designed by Ted Hood and Dieter Empacher · built by Bristol Yachts

The Bristol 35.5 was designed by Ted Hood and Dieter Empacher as a mid-range American bluewater cruiser aimed at the serious coastal and offshore sailor who wanted a capable, comfortable passagemaker without the complexity of a full custom build. The hull is a moderate fin-keel design with a focus on stability and seakeeping rather than racing performance. Bristol built a reputation for solid fiberglass layup and quality joinery, and the 35.5 was one of the company's most successful cruising platforms, with 183 hulls built over an 18-year production run. A centerboard variant (35.5C) was also offered throughout production.

Check this first — two underwater configurations were sold and the name does not always tell you which: the centreboard boat is the 35.5C, and there is a deeper-keel version sold without the C. Practical Sailor's IMS data has the centreboard version faster than the keel version, and the centreboard boat is initially tender and quick to heel like most centreboarders. The board itself is well designed, worked by a low- geared horizontal winch on the coachroof and routed clear of the cabin sole. Establish which boat you are looking at before judging draft, motion or performance. The architecture block below holds one value and cannot express that.

This is a general read on the Bristol 35.5 class — informed background, not a verdict on any individual boat. Condition, refit history, and how a particular hull was sailed and stored matter far more than class reputation. Use it to know what to look for; for a read on a specific listing, run a free FairKeel report on that boat.

At a glance

Hull form: Fin Keel
Ballast type: Encapsulated Lead
Rudder: Skeg Hung
Mast step: Keel Stepped
Hull construction: Fiberglass
Production: 1978–1996
Built in: United States

What the Bristol 35.5 is known for

Solid fiberglass layup relative to contemporaries — Bristol had a good reputation for hull construction quality across its production run.
Skeg-hung rudder provides reliable steering and meaningful protection for the rudder blade in groundings or debris strikes.
Keel-stepped mast is a structural advantage for offshore use compared to deck-stepped rigs of the same period.
Ted Hood and Dieter Empacher designs of this era are known for seakindly motion and moderate, predictable handling rather than twitchy performance.
Strong used-parts and owner-community support given Bristol's volume and longevity in the American cruising market — 183 hulls over 18 years built a real owner base.

Known trade-offs

Balsa-cored deck is the single biggest liability — wet core is endemic on neglected examples and repair is expensive and disruptive.
Performance is modest by modern standards; the boat is slow upwind in light air and will not impress in a racing context.
Engine choice is a real variable across the fleet rather than a detail. The two-cylinder Yanmar 2QM20H fitted to some boats cannot drive the hull to speed, per Practical Sailor, and that is not fixable by servicing. Confirm which engine is installed before pricing.
Interior volume is limited relative to boats of comparable LOA from later decades — the layout prioritizes seakeeping over living space.
Age means essentially all systems (wiring, seacocks, standing rigging, hoses) should be treated as suspect until surveyed and documented.

Age-related quirks to expect

Osmotic blistering on hulls built in the late 1970s and early 1980s severity: Medium affects: 1978-1984

Balsa core deck delamination and water intrusion at hardware penetrations severity: High affects: 1978-1996

Which diesel you get matters more than usual here, and Practical Sailor is unusually direct about it. Aim for a Westerbeke, or the three-cylinder 24hp Universal, which they rate equally satisfactory. Avoid the two-cylinder Yanmar 2QM20H: they say it struggles unsuccessfully to reach hull speed. That is a permanent characteristic of the boat you buy, not a service item, so check the engine before you fall in love with the hull. severity: Medium affects: 1978-1996

Early 1978 hulls built before Bristol modified the centreboard. Practical Sailor says plainly: beware a 1978 model without the modified board. Only a few were built before the change, so this is a narrow but decisive check on the oldest boats. severity: High affects: 1978 (pre-modification hulls only)

Standing rigging original or first replacement now 15-40+ years old depending on year severity: High affects: 1978-1996

Chainplate-to-deck seal failure allowing water into fiberglass and cabin structure severity: Medium affects: 1978-1996

Systems to check before you buy

Deck core (balsa) priority: offshore, coastal, liveaboard, weekending

Balsa-cored decks common on this era Bristol. Tap the entire deck for soft spots; pay attention to chainplate bases, stanchion bases, any through-deck hardware. Wet core here is a structural and safety issue, not cosmetic.

Chainplates and attachment structure priority: offshore, coastal

Chainplates on boats this age frequently show cracking varnish, staining, or bedding failure at deck level. Pull and inspect if possible; hidden corrosion or fatigue cracking on the plates themselves is common and a rig-loss risk.

Engine — which diesel, not whether it is a diesel priority: offshore, coastal, liveaboard, motor

This is a diesel boat and the useful question is which one. Practical Sailor recommends the Westerbeke or the three-cylinder 24hp Universal, and warns off the two-cylinder Yanmar 2QM20H as unable to reach hull speed. Treat that as a pricing factor: a 2QM20H boat is not defective but it will always be the slower purchase under power, and repowering is the only cure. Beyond identity, the usual applies whatever is fitted — compression test, mounts, exhaust and fuel system, hours, impeller history and raw-water condition. Any engine here is now decades old and some hulls will be on their second.

Standing rigging and mast step priority: offshore, coastal, racing, weekending

Keel-stepped mast means the step area and compression post should be inspected for rot or delamination. Wire rigging over 15 years old should be replaced unconditionally for offshore use. Check swage terminals for cracking under magnification.

Hull-to-deck joint and hull blistering priority: offshore, coastal, liveaboard

The hull-to-deck joint on this era Bristol can allow water ingress if the bedding compound has dried and cracked. Below the waterline, probe for osmotic blisters — late-1970s and early-1980s layups are a known blister generation. A moisture meter survey of the hull is non-optional.

How it fits your plans

Offshore: A capable offshore boat when mechanicals and rigging are in order — the skeg-hung rudder and moderate fin provide good directional stability in a seaway. The condition of chainplates, standing rigging, and the engine must be verified before any bluewater passage; deferred maintenance on a 30-40-year-old hull carries real consequence offshore.
Coastal: Well-suited to coastal cruising. Comfortable motion, adequate sail area, and manageable single-handed or shorthanded. Likely the best use case for a boat in average maintained condition.
Liveaboard: Livable but not spacious. The interior is typical mid-1970s to mid-1980s American production — adequate for a couple but tight for long-term habitation. Engine noise and reliability become daily factors when living aboard.
Weekending: A solid weekender. Forgiving to sail, comfortable at anchor, and Bristol's reputation for quality joinery means the interior holds up reasonably well at this age if kept dry.
Racing: Not a racing boat. The design prioritises seakeeping and comfort; performance is modest by modern standards and the boat is not competitive in any serious racing context.
Motor: Adequate under power provided you have the right engine. Practical Sailor rates the Westerbeke and the 24hp three-cylinder Universal as satisfactory and warns that the two-cylinder Yanmar 2QM20H cannot get the boat to hull speed, so identify what is fitted before judging this boat under power. A worn example of any of them is a liability; a well-documented repower performs reliably.

This guide is the class. A report is that hull. Paste the listing you're looking at and FairKeel grades every claim in it against what's known about the Bristol 35.5 — where the evidence is thin, the red flags worth a second look, the costs likely to land in your first season, and whether the boat suits the plans you describe in a few short questions.

It won't read the photos or put a number on the boat — that's the $249 Deep-Dive, and for the real answer, a surveyor. It will tell you when a Deep-Dive isn't worth buying. Free, no account, usually a minute or two.

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