Bavaria B/One Information, Review, Specs

Sailing Performance & Handling

The B/One is defined by its impressive power-to-weight ratio and a hull form optimized for early planing. With a displacement of approximately 1,050 kg (2,315 lbs) and a generous upwind sail area of 32 square meters, the boat exhibits a high Sail Area/Displacement ratio that places it firmly in the "sportboat" category. According to technical assessments by Sail Magazine, the boat is remarkably stiff for its size, thanks to a 370 kg T-bulb keel that accounts for nearly 35% of the total weight. This ballast ratio, combined with a modern, high-aspect rig, allows the B/One to point high and maintain stability in a breeze.

Off the wind, the B/One transforms into a pure speed machine. It utilizes a retractable bowsprit to fly a 46-square-meter asymmetric spinnaker, which facilitates easy handling for a crew of three or four. Handling is reported to be exceptionally responsive; the large, high-aspect rudder provides a high degree of "feel," though it requires an active hand in gusty conditions to prevent rounding up. In a review by Yachting World, the vessel was noted for its ability to plane in as little as 10 to 12 knots of true wind, reaching double-digit speeds with minimal effort from the helm. Unlike more extreme sportboats, the B/One maintains a degree of "sea-kindliness," with a hull shape that resists nose-diving when powered up in a chop.

Interior Comfort & Variations

While the B/One is primarily a racing machine, its interior design acknowledges the needs of weekenders and sailing schools. The "enclosed" cabin is Spartan but functional, offering four berths—two in the V-berth forward and two settees amidships. Headroom is limited, as is common in the 7-meter sportboat class, but the layout is sufficient for overnighting during a regatta or a short coastal cruise.

The interior is constructed using a single-piece glass-fiber liner, which keeps the boat easy to clean and maintains structural rigidity without adding significant weight. Variations in the model are minimal due to its one-design nature; however, some owners have opted for the "cruising package," which typically adds a chemical toilet, a small removable stove, and upgraded cushions. Because the boat was designed by Farr as a singular project (Design No. 755), it does not share a hull with any larger Bavaria cruiser, though its design language influenced the "easy-to-sail" philosophy found in the later Bavaria Easy 9.7.

Known Issues & Buyer’s Checklist

Prospective buyers of a used B/One should focus on the mechanical systems that enable its versatility, specifically the keel and the rig.

1. Keel Lift Mechanism: The B/One features a retractable keel for trailering. The lifting mechanism, which utilizes a dedicated winch or crane point, should be inspected for smooth operation. Ensure the locking bolts that secure the keel in the "down" position are not deformed, as these take significant loads while racing.
2. Rudder Bearings: Given the high loads placed on the high-aspect rudder during planing, the bearings can experience premature wear. Check for play in the tiller and inspect the transom pintles for any signs of stress cracking in the gelcoat.
3. Deck Hardware Sealing: Like many production boats used for aggressive racing, the B/One can develop leaks around heavily loaded deck gear. Inspect the underside of the deck near the jib tracks and stanchion bases for signs of water ingress or "crazing" in the fiberglass.
4. Mast Step and Rigging: The B/One uses a deck-stepped Seldén mast. Check the mast step for any compression damage and inspect the standing rigging for "meat hooks" or fraying, especially if the boat has been campaigned frequently in high-wind venues.

Community & Resources

The B/One was supported by a dedicated International Class Association during its peak production years, which established strict one-design rules to ensure fair racing. While the class's density is highest in Europe—specifically Germany, Italy, and Switzerland—there are pockets of owners globally. Technical documentation and tuning guides are often maintained by local Bavaria dealer networks or via Farr Yacht Design’s archives.

The Verdict

The Bavaria B/One is a successful synthesis of German production efficiency and American performance design. It offers a "sweet spot" for sailors who want a boat that is faster than a traditional day sailer but more manageable and comfortable than a pure racing dinghy.

Pros

• High-performance Farr design with excellent planing potential.
• Easily trailerable with a retractable keel and deck-stepped mast.
• Simple, robust construction that is easy to maintain.
• Versatile enough for both match racing and family weekend camping.

Cons

• Interior is very basic with minimal amenities for extended cruising.
• Requires a skilled crew to extract maximum performance in heavy air.
• Limited one-design racing fleets outside of Europe.