J-Boats J/112 Information, Review, Specs

J-Boats J/112 Drawing
Make
J-Boats
Model
J/112
Builder
J Composites
Designer
Johnstone
Number Built
Production Year(s)
2015 - ??

The J/112E (the "E" standing for Elegance and Evolution) is a 36-foot performance cruiser that represents a significant departure from the utilitarian interiors of J/Boats’ earlier racing-focused models. Designed by Alan Johnstone, the vessel was conceived to satisfy the "dual-purpose" sailor—someone who demands podium-level performance in IRC or ORC racing circuits but requires a refined, comfortable living space for family cruising. Since its debut, the model has garnered significant critical acclaim, including being named Sail Magazine’s Best Performance Boat over 30 feet and winning the Cruising World Boat of the Year award for its class. The hull is built using the patented SCRIMP resin infusion process, ensuring a high strength-to-weight ratio that is foundational to its performance profile.

Sailing Performance & Handling

The J/112E is defined by its exceptional balance and high-aspect rig. With a Sail Area/Displacement (SA/D) ratio of approximately 23.9, the boat is categorized as a high-performance cruiser, capable of ghosting along in light airs that would leave many dedicated cruising yachts motoring. According to testing by Yachting Monthly, the boat exhibits an "on-rails" sensation when hard-pressed upwind, largely due to its deep L-shaped lead keel and high-aspect spade rudder which provides immense grip even at high heel angles.

Handling is characterized by a light, responsive helm that offers significant tactile feedback. Unlike the J/111, which is a dedicated one-design racer, the J/112E features a slightly more forgiving hull form with a bit more volume forward to prevent "digging in" during offshore passages. The retractable carbon fiber bowsprit allows for the deployment of large asymmetric spinnakers, enabling the boat to reach planning speeds in moderate breezes. Because the cockpit is designed for efficiency, the primary winches are positioned within reach of the helmsman, making the J/112E one of the most capable short-handed performance boats in its size range.

Interior Comfort & Variations

The "E" in the model name is most evident once below deck. J/Boats moved away from the sparse, "industrial" feel of their pure racers toward a classic European aesthetic featuring clean white panels accented by high-quality wood trim. The standard layout includes two cabins: a spacious V-berth forward and a large double cabin aft to port. This configuration leaves the starboard aft section dedicated to a massive cockpit locker, which is accessible from both the head and the cockpit—a feature highly prized by long-distance cruisers for storing sails, fenders, and dinghies.

Natural light is abundant thanks to long coachroof windows and multiple overhead hatches. The saloon features two longitudinal settees with a center-line drop-leaf table, providing ample seating for six. While some performance boats compromise on galley space, the J/112E provides a functional L-shaped galley with a deep sink and gimbaled stove, suitable for meal preparation at sea. Though most hulls are finished in Moabi mahogany, some later units feature walnut or oak finishes depending on the owner's specifications. There are no known "charter" or three-cabin variants, as the J/Boats philosophy prioritizes storage and structural integrity over maximum berth count.

The J/112E has achieved significant notoriety in the international racing scene, particularly in Europe. A notable example of the boat's competitive pedigree is the J/112E J Lance 12, which dominated the 2018 IRC/ORC World Championships, proving that the "E" series comfort did not come at the expense of raw speed. The model is frequently highlighted in technical sailing media as the benchmark for the modern "racer-cruiser" category, often compared against the Dehler 38 or the Grand Soleil 34.

Known Issues & Buyer’s Checklist

While J/Boats are generally regarded for their robust construction, prospective buyers should focus on a few model-specific areas during survey:

  • Retractable Bowsprit Seal: Like all "sprit boats," the housing for the carbon pole should be inspected for water ingress. Over time, the seals can wear, leading to minor leaks into the forward cabin during heavy weather.
  • Saildrive Diaphragm: Most J/112E units are powered by a Volvo Penta diesel with a saildrive. Ensure the rubber diaphragm is within its service life (typically 7 years) and check the oil for signs of milky emulsification.
  • Chainplate Inspection: Given the high rig tensions used in racing, the tie-rods and chainplate attachments should be inspected for any signs of movement or stress crazing in the surrounding fiberglass.
  • Deck Hardware Bedding: The J/112E is often sailed aggressively; check for "spidering" or stress cracks around high-load areas like the primary winch bases and the mainsheet traveler.

Community & Resources

Owners of the J/112E benefit from a highly organized global infrastructure. The J/Boats official website provides access to original polar diagrams and tuning guides for the model. Technical support and community interaction are primarily found through the J/Boats Owners groups and the various national J-Boat Class Associations, which host dedicated regattas and technical symposiums for the fleet.

The Verdict

The J/112E is an elite-tier racer-cruiser that refuses to compromise on either end of the spectrum. It is an ideal vessel for the sailor who enjoys a Wednesday night regatta as much as a two-week coastal cruise.

Pros:

  • Category-leading upwind performance and light-air sensitivity.
  • High-quality interior finish that feels like a true cruising yacht.
  • Exceptional build quality via the SCRIMP infusion process.
  • Strong resale value supported by a prestigious brand.

Cons:

  • The retractable bowsprit can be a source of minor leaks if not maintained.
  • Limited to a two-cabin layout, which may not suit large families.
  • Premium pricing compared to mass-market production cruisers.

Measurements

Construction & Hull

Construction Material
Fiberglass (Balsa Core)
Hull Type
Monohull Sailboat
Keel Type
Bulb
Rudder
1x Spade
Ballast
4195 lbs (Lead/Iron)
Displacement
11453 lbs
Water Capacity
53 gal
Fuel Capacity
22 gal

Dimensions

Length Overall (LOA)
36.09 ft
Waterline Length (LWL)
31.76 ft
Beam
11.75 ft
Draft
6.89 ft
Max Headroom
-
Air Draft
-
Hover over a measurement
IJPE FS LOALWL

Rig & Sails

Rig Type
Fractional Sloop
P (Main Luff)
-
E (Main Foot)
-
I (Foretriangle Height)
-
J (Foretriangle Base)
-
Forestay Length (est)
-
Sail Area
699 sqft

Calculations

Sail Area / Displacement (SA/D) Ratio
22.01
Ballast / Displacement Ratio
36.63
Displacement / Length Ratio (D/L) Ratio
159.6
Comfort Ratio
20.12
Capsize Screening Formula
2.09
Hull Speed
7.55 kn