JPK 1180 Sailboat Review, Specs, and Listings

Jacques Valer·2018·JPK Composites
Approximate drawing

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Hull Type
Monohull · fin
Rig
Fractional Sloop
LOA
38.65' · 11.78 m
Disp.
13,007 lbs · 5,900 kg
First year
2018

The JPK 1180 is a 38foot fractionalsloop racer conceived by Jacques Valer as a pure crewedracing machine, the first JPK design built 100 percent around a full crew programme a pure racing boat designed with the crew in mind. She carries a displacement of roughly 13,000 pounds with 5,842 pounds of leadandiron ballast in a 7.68foot fin keel, and at 12.96 feet of beam and 34 feet on the waterline she sits squarely in the modern offshoreracing tradition. Valer, who has shaped every JPK since 2003, describes the 1180 as the culmination of his hull research, and the record speaks for itself: the type has taken the Fastnet, Middle Sea Race, Cowes, and Spi Ouest France, with overall victories in the Fastnet, Middle Sea Race, Sydney Hobart class, and transatlantic events a formidable performer both inshore and offshore.

Measurements

Dimensions 01

Length Overall
38.65 ft
Length on deck
38.58 ft
Waterline Length
34.09 ft
Beam
12.96 ft
Draft
7.68 ft
Maximum Headroom
6.36 ft
Air Draft

Construction & hull 02

Construction
Fiberglass
Hull Type
Monohull
Keel Type
Fin
Rudder
2× Spade
Ballast
5,842 lbs (Lead/Iron)
Displacement
13,007 lbs
Water Capacity
32 gal
Fuel Capacity
20 gal

Rig & sails 03

Rigging Type
Fractional Sloop
Mainsail luff
Mainsail foot
Foretriangle height
Foretriangle base
Forestay Length (estimated)
Sail Area
957.99 sqft

Calculations 04

Sail Area to Displacement Ratio
27.71
Ballast to Displacement Ratio
44.91
Displacement to Length Ratio
146.57
Comfort Ratio
18.7
Capsize Screening Ratio
2.2
Hull Speed
7.82 kn

Design and Construction

JPK Composites built the 1180 around a vacuum-infused Airex-foam, glass, and vinylester sandwich for deck, hull, and all interior structures, with a draping plan that piles reinforcement into stress zones while keeping topsides and deck lightly built. The hull form itself is deliberate: forward sections are fuller than on the JPK 1080 but shy of the 1030, and the tensioned waterlines bend into a banana shape when she heels so the ends clear the water, reducing drag and letting the bow lift on hard downwind legs tensioned water lines are sufficiently banana-shaped on the axis to clear the ends. The keel is a cast-iron-and-lead unit from the Lemer foundry, rigid with a fine profile and laser shimmed, its long recessed sole spreading ground-load across the struts while the lead soaks up impact energy on a heel strike. For IRC the standard keel is a flat, bulbless blade whose broad anti-drift surface lets the foils bite early even at low speed.

Rig and Handling

The rig carries a 49-square-meter main and 40-square-meter genoa, with symmetric and asymmetric spinnakers of 140 and 160 square meters respectively. Valer kept her not too light, dodging rule traps while staying efficient upwind, yet she is very lively and will plane. The British boat Sunrise proved the point by taking the 2021 Rolex Fastnet overall and the IRC trophy, building a 115-mile lead in IRC 2 and finishing the 695-mile course in just over four days 2021 Rolex Fastnet Race winner overall. Her crew reported she flies in big seas and windy conditions, and that with a Code Zero airborne she simply takes off. Sunrise also logged a 28-knot boat speed record, and her own crew later videoed a 27-knot run, noting that was not bad for a cruising boat.

Accommodations

Although a racer first, the 1180's hull volume allows an interesting level of fit-out for cruising or crewed regatta use. In cruising trim, hull ports can be added to throw light into the saloon, and buyers get extra storage modules finished in a wide choice of wood or lacquered surfaces hull volume allows an interesting level of accommodation for cruising or crewed racing. This is no family cruiser, but the shell will take a credible interior.

Known Issues

The only documented defect from racing comes from Sunrise in the 2021 Fastnet, where the masthead lock failed and left her with no way to rig any reaching sails on a lock the masthead lock broke at sea during that race. The crew jury-rigged a fix with string aboard and carried on, but the failure is worth noting for any buyer counting on masthead furling or locking gear.

Refits and Ownership

For smaller crews the boat can be fitted with twin 600-litre ballast tanks that substitute for crew weight when abseiling, and a 250 kg bulb keel is offered for reduced crews though it sacrifices IRC edge. With tanks full upwind the power is optimized; emptied downwind the boat sheds weight and planes more readily. A Volvo Penta D1 of 30 horsepower moves her, with 20 gallons of diesel and 32 of water — modest, as the programme assumes a racing not cruising loadout.

The Verdict

The JPK 1180 is a focused offshore racer that happens to have just enough volume for occasional cruising. She is fast, stiff, and proven at the highest levels of IRC competition, but every design choice serves the crewed race course rather than the anchorages.

Pros

  • Overall Fastnet, Middle Sea, Sydney Hobart class, and transatlantic winner
  • Vacuum-infused sandwich construction with engineered keel and load spread
  • Ballast-tank option extends competitiveness to shorthanded crews
  • Lively planing hull with documented 28-knot potential

Cons

  • Pure crewed racer; cruising comfort is secondary
  • Masthead lock failure documented at sea
  • Bulb keel option penalized under IRC
  • Minimal tankage for extended cruising

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