A single wooden prototype, Sandpiper, served as the plug for the mould that ultimately produced 57 glass hulls. Though small, the series seeded minor fleets beyond its home waters in other parts of the Commonwealth and in the United States. In the words of one period assessment, Boyd’s design was essentially a racing daysailer: a lightweight, three-quarter-decked hull with an open cockpit and deep well, intended to be sailed hard and kept simple.
Design and Construction
The hull has a well-raked bow and counter stern. Both the moulded hull and deck are solid glassfibre. The shell is stiffened by ring frames set at each end of the cockpit, around the mast, and at the stern post. This framing concentrates reinforcement where loads are greatest rather than relying on a cored laminate.
Teak coamings, a foredeck splashboard, and sidedeck toerails give the otherwise plain GRP surfaces a traditional finish. The fin keel carries 2,100 pounds of encapsulated lead ballast. The keel-hung rudder has a varnished spruce tiller pinned to its post.
The Piper OD displaces 3,560 pounds, with a 16-foot 3-inch waterline and a beam of 6 feet 3 inches. It’s a compact, low-volume boat, with a ballast-to-displacement ratio near 59 percent—figures that point to a stiff little hull rather than a cruising barge.
Rig and Handling
The Piper OD has a fractional sloop rig, carrying 220 square feet of mainsail and genoa, with a further 325 square feet of spinnaker for downwind sailing. The black-anodised alloy mast has stainless steel standing rigging and is stepped through the foredeck onto the keel. This robust arrangement transfers compression loads into the boat’s backbone.
Two bronze Lewmar sheet winches sit on the sidedecks, while a halyard winch is mounted at the mast base. Writing in boats.com, testers described the Piper as light and willing on the helm, steady in the wash of power boats, and genuinely fast. In gusts on flat water inside a breakwater, she bore away with the lee rail under and flew along. That willing helm and low wetted surface make the boat feel quick without becoming twitchy.
Cockpit and Accommodation
Below the three-quarter deck, the Piper is unapologetically spartan. A centre thwart carries the mainsheet block. A second, sliding thwart farther aft gives the helmsman a seat but can be moved clear when conditions warrant—an ingenious feature for a daysailer.
Shelves beneath the sidedecks provide the only relatively dry storage. The review also noted that the box that might form the base for a couple of bunks could potentially serve as a buoyancy compartment. There is no enclosed cabin trunk; this is a boat designed to be sailed from the cockpit, not lived in.
Outboard Arrangement
The one operational limitation recorded in period testing concerns manoeuvring under outboard power: the Piper can come alongside only to starboard. The standard cantilevered side bracket sits on the port sidedeck and carries a long-shaft outboard, dictating the boat’s approach angle when motoring.
Once switched off, the engine and its bracket are stowed beneath the foredeck. The resulting asymmetry is a docking discipline rather than a structural fault.
Refits and Ownership
With only 57 boats in the class, any survivor will have passed through decades of Clyde and Commonwealth club racing. The wooden-plug lineage is an interesting detail, but the production hulls are straightforward solid GRP with discrete ring-frame reinforcement. Structural refits therefore centre on the teak trim and keel-hung rudder hardware.
The class emblem—a white square on blue, the Blue Peter—is a small badge of the one-design intent that still marks these boats.
Verdict
The Piper OD is a pure expression of the 1960s one-design daysailer: a David Boyd racer with a keel-stepped fractional rig, encapsulated lead in a fin keel, and a helm that period testers described as light and fast. It suits a sailor who wants simple, quick, open-cockpit racing rather than accommodation.
Pros
- Stiff, low-displacement hull with 2,100 lb of encapsulated lead ballast
- Keel-stepped alloy mast and ring-frame reinforcement at load points
- Light, willing, and fast on the helm, according to period testing
Cons
- Under outboard power, can come alongside only to starboard
- Minimal dry storage and no real cabin accommodation







