Precision 18 Information, Review, Specs

Precision 18 Drawing
Make
Precision
Model
18
Builder
Precision Boat Works
Designer
Jim Taylor
Number Built
500
Production Year(s)
1984 - 2019

The Precision 18 stands as a definitive example of the "maxi-trailerable" philosophy, a design ethos that prioritizes ease of transport without sacrificing the structural integrity of a blue-water cruiser. Launched in the mid-1980s and designed by the renowned Jim Taylor, the Precision 18 was intended to bridge the gap between flighty centerboard day sailers and heavy, cumbersome fixed-keel pocket cruisers. The hull features a sophisticated keel-centerboard configuration, where a 350-pound internal lead casting provides significant righting moment, while a fiberglass centerboard allows for a shallow 1’6” draft with the board up. This design allows the boat to be launched in knee-deep water yet remain remarkably stiff in a breeze. Throughout its long production run at Precision Boat Works, the model earned a reputation for "quality built-in," a mantra of the Porter brothers who oversaw the construction of every hull to ensure they could withstand the rigors of both coastal chop and highway trailering.

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Sailing Performance & Handling

The Precision 18 is frequently praised for its "big boat" feel in a small package. With a Sail Area to Displacement (SA/D) ratio of approximately 21.7, the vessel is quite powered up for its size, allowing it to move efficiently in light air where other 18-footers might wallow. According to technical insights from Jim Taylor Yacht Design, the hull was specifically shaped to provide a long effective waterline and a high degree of form stability. This translates to a boat that tracks well and resists the rhythmic rolling often found in narrow-beamed trailersailers.

Under sail, the boat is known for its light helm and responsiveness. The use of a kick-up rudder and a simple fractional rig makes it manageable for solo sailors, while the high ballast-to-displacement ratio (roughly 32%) ensures it handles gusts with a predictable, forgiving heel rather than a sudden tip. While it is not a dedicated racing dinghy, its performance is spritely enough that it remains a favorite for club-level PHRF racing. Owners often report that the boat remains dry in a chop thanks to the flared bow sections, though, like all sub-20-foot boats, it will decelerate if pushed too hard into a steep head sea.

Interior Comfort & Variations

Despite its 17' 5" length, the interior of the Precision 18 is surprisingly functional for overnighting. The cabin features a standard V-berth forward and two long quarter berths that extend aft under the cockpit seats. While there is no standing headroom—a physical impossibility in this class—the 7' 5" beam creates a sense of lateral space that prevents the cabin from feeling like a coffin.

The layout is intentionally minimalist to save weight and maximize usable space. Most hulls were equipped with a dedicated space for a portable marine toilet tucked under the V-berth and a small area for a removable cooler or a simple butane stove. Precision Boat Works emphasized a clean fiberglass headliner and high-quality cushions to elevate the aesthetic above the "bare-bones" feel of its competitors. While there are no major structural siblings built on the exact same hull, the Precision 18 is the midpoint in a family that includes the Precision 165—a more daylight-oriented version—and the Precision 21, which shares the same Jim Taylor design language but offers a more substantial galley and enclosed head.

Known Issues & Buyer’s Checklist

When inspecting a used Precision 18, the most critical area is the centerboard trunk and the centerboard itself. Because the board is fiberglass and the trunk is integrated into the hull, buyers should check for "thumping" while under sail, which may indicate worn pivot bushings. It is also essential to inspect the centerboard pennant (the line used to raise/lower the board) for fraying, as replacing this often requires the boat to be lifted off its trailer.

Another high-signal area is the mast step and the surrounding deck core. While Precision used high-quality construction methods, any deck hardware that has not been re-bedded in decades may allow moisture into the balsa core, leading to soft spots. Additionally, inspect the stainless steel chainplates where they meet the deck; if leaks have persisted, the plywood bulkheads they attach to may show signs of rot. Finally, ensure the trailer is in road-worthy condition, specifically checking the axle for corrosion if the boat was launched in saltwater, as the "float-on" nature of the Precision 18 requires deep immersion of the trailer.

Community & Resources

The Precision 18 benefits from one of the most active and organized owner communities in the small-boat world. The Precision Owners Association acts as a primary hub for technical support, rigging diagrams, and modifications. Because Precision Boat Works transitioned into a parts-and-support entity after ceasing new boat production in 2018, owners still have access to OEM-specification parts directly through the factory’s legacy services.

The Verdict

The Precision 18 is perhaps the most balanced "first cruiser" on the second-hand market. It offers the safety of a ballasted keel with the convenience of a dinghy, making it an ideal choice for sailors who want to explore coastal estuaries or mountain lakes without the expense of a permanent slip.

Pros:

  • Exceptional Stability: The 350 lbs of internal lead makes it one of the safest boats in its size class.
  • Ease of Launching: The shallow 18-inch draft allows for launching at almost any ramp.
  • Design Pedigree: A genuine Jim Taylor design that prioritizes both aesthetics and hydrodynamics.
  • Strong Resale Value: High demand and a lack of new production keep used prices stable.

Cons:

  • Confined Living Space: While it sleeps four in theory, it is a "two-person" boat for any trip longer than a night.
  • Weight for Towing: At 1,100 lbs plus the trailer and gear, it requires a vehicle with a decent towing capacity (approx. 2,000 lbs).
  • Manual Labor: Raising the mast and rigging the boat alone can be strenuous without a custom mast-steppng system.

Measurements

Construction & Hull

Construction Material
Fiberglass
Hull Type
Monohull Sailboat
Keel Type
Centerboard
Rudder
1x —
Ballast
350 lbs (Lead)
Displacement
1100 lbs
Water Capacity
-
Fuel Capacity
-

Dimensions

Length Overall (LOA)
17.42 ft
Waterline Length (LWL)
15.42 ft
Beam
7.42 ft
Draft
4.25 ft
Max Headroom
-
Air Draft
27 ft
Hover over a measurement
IJPE FS LOALWL

Rig & Sails

Rig Type
Fractional Sloop
P (Main Luff)
20 ft
E (Main Foot)
8.25 ft
I (Foretriangle Height)
19 ft
J (Foretriangle Base)
5.5 ft
Forestay Length (est)
19.78 ft
Sail Area
145 sqft

Calculations

Sail Area / Displacement (SA/D) Ratio
21.77
Ballast / Displacement Ratio
31.82
Displacement / Length Ratio (D/L) Ratio
133.93
Comfort Ratio
7.35
Capsize Screening Formula
2.88
Hull Speed
5.26 kn