Design and Construction
John Corby’s hand is evident in a hull conceived as a classic style of IRC small boat that needs to be quite heavy so it doesn’t really plane anchor. The production build in Gdansk delivered a solid fiberglass hull and deck with lead ballast, and the cruiser-racer intent meant the structure was never a stripped-out racer. A 51.2 ballast-to-displacement ratio and a 1.98 capsize ratio speak to a stiff, settled platform, while the 189.52 displacement-length ratio confirms the heft that owners describe. She is an IRC-optimized design anchor, which explains the emphasis on measured stability over outright lightness.
Rig and Handling
What the Corby 29 lacks in planing thrill she recovers in the helm. One owner who steered her extensively called her very nicely balanced and a joy to sail in anything, among the most enjoyable boats he had handled anchor. The masthead sloop rig carries 493 square feet of sail area, yielding a sail-area-to-displacement ratio of 21.81 — enough to keep her moving in soft air despite the weight. That balance showed in competition: a Corby 29 won the two-handed Round the Island Race with John Corby aboard, and the type was raced in the IRC Nationals in winds topping 30 knots. The same owner conceded she is a bit of a handful downwind in 25 knots, a predictable trait of a beamy, heavily ballasted hull when the breeze builds from behind.
Accommodations and Race Setup
The Corby 29 is raced with a crew of seven, and that team of expert sailors is well set up by the boat’s layout for concerted racing anchor. As a cruiser-racer she bridges the two worlds, but the sources stop short of interior detail beyond that race-crew framing; the cruiser-racer label from the builder’s own production description remains the clearest statement of her dual brief.
The Verdict
The Corby 29 is a thoughtfully balanced cruiser-racer that trades planing excitement for steadiness and a helm that owners prize across the wind range. She is a serious IRC tool with cruising tolerance, proven in strong-breeze nationals and two-handed island racing, yet she asks for respect when run downwind in a blow.
Pros
- Nicely balanced, enjoyable helm in varied conditions
- Heavy, stable IRC-optimized hull that does not depend on planing
- Proven race record including Round the Island and IRC Nationals
Cons
- Does not plane; feels heavy to those expecting lightweight speed
- A handful downwind in 25 knots of breeze






