Design and Construction
The Quanta 28 has a solid fiberglass hull and deck. She displaces 6,900 pounds and carries 3,082 pounds of lead ballast, giving a ballast-to-displacement ratio of 44.6 percent. That moderate displacement leaves room for the gear needed aboard a coastal cruiser without bloating the hull.
A 9-foot 9-inch beam, 5-foot 6-inch draft, fin keel, and spade rudder place her firmly in the modern fin-and-spade camp. Her 22.6-foot waterline supports a theoretical hull speed of about 6.4 knots.
The exterior carries familiar elements from Wall’s previous boats, particularly the kickup over the window and the overall sense of proportion.
Rig and Handling
The Quanta 28 is a masthead sloop with a sizable 409-square-foot sail plan, deliberately proportioned for the light-air evenings typical of coastal sailing. Her 28-foot 5-inch sail length and sail area produce a sail-area-to-displacement ratio of 18—healthy for a boat of this weight, but not extreme.
With her fin keel and spade rudder, she is designed to remain easy to handle in a breeze that would leave heavier boats rolling.
Accommodations
Below, the Quanta 28 follows a conventional coastal-cruising layout. The standard forward V-berth is separated from the athwartships head by a bi-fold door, providing a measure of privacy.
The standout berth is to port: a seven-foot berth that pulls out to form a double, generous for a boat of this length. Opposite, the starboard settee berth serves mainly as seating but can accommodate an occasional overnight guest, with the occupant’s feet extending beneath the galley.
Aft to port is a chart table where some buyers would rather have found a quarterberth. It was a marketing gamble that traded sleeping capacity for a dedicated navigator’s workspace.
Verdict
The Quanta 28 is a small, limited-production coastal cruiser with a clean, Wall-styled hull and a sail plan tuned for light air. Her interior is straightforward and usable, though the aft layout is compromised by the choice of a chart table over a quarterberth.
With only twelve boats built, the Quanta 28 is a rare find. Her fundamentals—solid fiberglass construction, sensible ballast, and a drivable rig—are sound.
Pros
- Styling consistent with Wall’s earlier, well-proportioned designs
- Sizable sail plan for light-air coastal sailing
- Seven-foot port berth that converts to a double
- Solid fiberglass hull and deck with lead ballast
Cons
- Aft chart table replaces a desirable quarterberth
- Only twelve built, limiting fleet support and parts commonality







