Design and Construction
Tucker paired a wooden hull with bilge keels and a masthead sloop rig. The boat measures 21.33 feet long with a 6.83-foot beam, giving a length-to-beam ratio of 3.12. That narrow-ish proportion keeps the hull lean without sacrificing the twin-keel footprint.
The Mystic 21 displaces 2,060 pounds and carries 600 pounds of iron ballast, for a ballast ratio of 29 percent. Her displacement-length ratio of 186 places her among what reviewers call “moderate racers,” while a sail-area-to-displacement ratio of 15.37 indicates a rig sized to keep her moving in an ordinary breeze.
Theoretical hull speed is 5.5 knots, so she is no rocket. Still, about 118 square feet of wetted surface and a 2.5-foot draft, dependent on load, allow her to dry out or slip into shallow marinas where a fin-keel boat would ground.
Rig and Handling
The masthead rig carries a 155-square-foot sail plan supported by straightforward running rigging. The jib and genoa sheets are each 21.3 feet long and 3/8 inch in diameter. The mainsheet is 53.3 feet long and the same diameter, while a 46.9-foot spinnaker sheet completes the light-air inventory. Those dimensions describe a boat that a short crew can handle easily.
The capsize screening value is 2.15, below the threshold accepted by ocean racers. A Motion Comfort Ratio of 13.3 points to a small-boat motion profile rather than that of a bluewater passage-maker. The immersion rate—404 pounds per inch—is also a reminder that every crewmember and loaded locker counts on a hull this size.
Accommodations
At 21 feet, with bilge keels and wooden construction, the Mystic 21 comes from an era of simple overnight accommodation rather than fully equipped cruising quarters. That simplicity limits her usefulness for extended cruising.
The Verdict
The Mystic 21 is a period wooden sloop of restrained size and clear purpose: a shallow-draft, twin-keel coastal sailor with a masthead rig and moderate-racer numbers. Tucker’s lines and Clark’s construction suit a sailor who values access to thin water over offshore range.
Pros
- Bilge keels and roughly 2.5 feet of draft open up shallow marinas and drying anchorages
- A 29 percent ballast ratio and 15.37 SA/D describe a lively small-boat rig
- The wooden hull and simple rigging suit a hands-on classic-boat owner
Cons
- A capsize screening value of 2.15 excludes her from ocean racing
- Wooden construction requires more upkeep than fiberglass contemporaries
- Simple accommodation limits extended cruising use
