Design and Construction
Pearson built the 40 as one of the few boats in its range with a cored hull, using balsa not as a true sandwich core between thin glass skins but as a hull stiffener within a heavily laid-up solid laminate anchor. Decks were also balsa cored, and both hull and deck have proven durable, with core problems almost unheard of among tracked owners. The hull-and-deck joint sits on an inward flange and is mechanically fastened through the toerail, while bulkheads and secondary bondings were well tabbed. Materials were typical of the era, with polyester resin used throughout. The underbody is nearly round with a trace of keel at the lowest point and a deep centerboard stashed in the stub keel so the trunk does not protrude into the cabin; the shape drew comparison to Ted Hood's centerboarders and was a risky departure for Pearson. A full skeg carries the original rudder, which was frequently overloaded.
Rig and Handling
The double-spreader spar is keel stepped and beefy, with a midboom sheeting traveler mounted forward of the companionway. Up to hull No. 60 the boat carried discontinuous standing rigging, some of which owners have since converted to continuous wire. The centerboard must be lowered to track well to windward, but with it down the 40 is quick and fairly close winded. Off the wind with board up she flies, though like many IOR-derived hulls she can be squirrely running before big seas; the Mark II partially balanced spade rudder designed by Roger Marshall for owners eliminated those downwind deep-reaching concerns and improved steering dramatically. Owners note she is easily driven and does not need a large overlapping genoa for most cruising, though she is a touch tender and the first reef usually goes in near 20 knots apparent.
Accommodations
Belowdecks the 40 delivers a warm sculptured interior that recalls an earlier era of yachting grandeur, finished in mahogany and ash with joiner work Shaw called his proudest achievement. A V-berth cabin forward has a dressing seat and storage, the head sits to port with hanging locker and bureau opposite, and the saloon centers on a drop-leaf table seating six with pilot berths and leeboards. The U-shaped galley to starboard has double stainless sinks, an outboard oven stove, Formica surfaces, ample counter and a huge fridge; opposite, a full-sized chart desk serves as nav station. Six-foot-three headroom surprises given the genuinely flush deck, which also makes a broad safe platform for sail changes, dinghy stowage and lounging. The IOR pinched stern yields a narrow but deep cockpit with long seats and large lockers, and the wheel sits well forward for superb visibility.
Known Issues
The original rudder was frequently overloaded and at least one boat lost its rudder racing in the Pacific, prompting the Marshall Mark II replacement. Chainplate problems are well documented, with many boats already converted to an updated design. The original Navtec turnbuckles should be replaced. The Paragon transmission paired to the V-drive is problematic, though owners report switching to a Borg Warner Velvet Drive is straightforward. Engine placement via V-drive also makes the stuffing box a challenge to reach, and many owners consider the boat underpowered.
Refits and Ownership
Beyond rudder and chainplate updates, the sensible ownership path includes a feathering propeller to sharpen reverse handling notorious with V-drives, and a continuous rigging conversion where discontinuous wire remains. The Westerbeke 40 diesel sips fuel at 1,800 rpm for a 600-mile-plus motoring range, and some hulls carried a comparable Perkins 4107/4108. The small quarterberth aft has been converted to storage on most boats, reflecting how owners adapt the layout.
The Verdict
The Pearson 40 is a genuinely dual-purpose Shaw design that pairs offshore capability and shallow gunkholing via centerboard with a custom-grade interior rare in production boats. She rewards informed buyers who address the known structural and drivetrain weaknesses, then delivers lively, comfortable passage making.
Pros
- Versatile cruise-to-race centerboard hull with 4'3" board-up draft
- Custom-quality mahogany and ash interior with 6'3" headroom
- Strong, heavily laid hull with rare core problems
- Mark II rudder resolves original downwind steering faults
Cons
- Original rudder overload and documented chainplate failures
- Paragon transmission and hard-to-reach stuffing box via V-drive
- Tender ride requiring early reefing and board deployment to track
