Precision 15 K Information, Review, Specs

Precision 15 K Drawing
Make
Precision
Model
15 K
Builder
Precision Boat Works
Designer
Jim Taylor
Number Built
Production Year(s)
1995 - 2019

The Precision 15 K represents a specialized evolution of the classic Precision 15 daysailer, specifically engineered to provide enhanced stability and a "big boat" feel within a compact, 15-foot footprint. Designed by the renowned Jim Taylor Yacht Design, the "K" variant replaces the standard centerboard and internal ballast with a fixed, high-aspect lead keel. This modification transforms the vessel from a beachable dinghy into a dedicated small keelboat, making it a preferred choice for sailing schools, older sailors seeking a more secure platform, or those who keep their boat on a mooring rather than a trailer. Built by Precision Boat Works in Sarasota, Florida, the model benefits from the Porter brothers' commitment to "quality built in," utilizing hand-laid fiberglass and high-grade deck hardware that has historically allowed these boats to maintain their structural integrity far longer than many of their mass-produced contemporaries.

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Sailing Performance & Handling

The defining characteristic of the Precision 15 K is its remarkable stiffness. While the standard Precision 15 relies on a combination of a wide beam and internal ballast for stability, the 15 K utilizes a 250-pound fixed lead keel. This significant weight, positioned low in the water, creates a high righting moment that allows the boat to remain upright and controllable in breezes that would see most 15-footers reefing or capsizing. According to Jim Taylor Yacht Design, the hull was specifically shaped to provide a long effective waterline and a clean exit, ensuring that despite the added weight of the keel, the boat remains responsive and capable of surprising speed in light air.

On the water, the 15 K tracks with a level of precision—living up to its name—that centerboard boats often lack. The fixed keel provides a dedicated lateral plane that reduces leeway during upwind beats. The rig is a simple fractional design with a swept-spreader configuration, eliminating the need for a backstay and simplifying tacking maneuvers. Handling is characterized as "forgiving" by owner anecdotes; the boat does not "twitch" or heel sharply with every gust, but rather leans into the wind with a progressive, predictable motion. This makes it an ideal platform for teaching the fundamentals of sail trim without the physical demands or capsize risks associated with traditional dinghies.

Sibling Models & Variations

The Precision 15 K shares its hull and deck mold with its sibling, the Precision 15 Centerboard (CB) version. While the hull shape is identical, the CB version features a kick-up rudder and a retractable centerboard, designed for sailors who prioritize trailering and beaching. In contrast, the 15 K is often seen as the "little brother" to the Precision 165 or the Colgate 26—the latter also built by Precision Boat Works.

The 15 K was primarily marketed to institutions and individuals who desired a permanent-keel vessel that could be kept in a slip. Another notable sibling in the Precision lineup that shares this "maxi-trailerable" or small-keelboat philosophy is the Precision 18, though that model includes a small cabin, whereas the 15 K remains a pure, open cockpit daysailer.

Known Issues & Buyer’s Checklist

When inspecting a pre-owned Precision 15 K, the transition from hull to keel is the most critical area of focus. Because the keel is fixed and carries significant weight, any "hard grounding" can put immense stress on the hull laminate.

  • Keel Bolt Integrity: Check the interior of the bilge for any signs of crazing or stress cracks around the keel bolts. While Precision was known for robust layups, a history of groundings can lead to weeping at the joint.
  • Mast Step Compression: Examine the area where the mast sits on the deck. Look for any sagging or "spiderweb" cracking in the gelcoat, which may indicate that the core material beneath the mast step has compressed over time.
  • Cockpit Drainage: The 15 K features a self-bailing cockpit, but the scuppers are relatively small. Ensure they are clear of debris and that the one-way valves (if equipped) are functioning to prevent water from backing up into the cockpit when stationary.
  • Standing Rigging: Since many of these boats were used in sailing schools, inspect the shroud attachments and the forestay chainplate for wear or elongation of the bolt holes.

Community & Resources

The Precision 15 K is supported by a dedicated community of owners who value the brand's Florida-built heritage. While the manufacturer ceased new boat production in 2018, the Porter brothers continue to provide support through the official Precision Boat Works website, offering replacement parts, original brochures, and technical advice. The "Precision Owners" groups found on various social platforms serve as a vital repository for DIY maintenance tips and rigging modifications specific to the Jim Taylor designs.

The Verdict

The Precision 15 K is a rare find in the small-boat market: a 15-foot daysailer with the soul and stability of a much larger yacht. It sacrifices the easy beaching of a centerboard boat for a level of safety and tracking that is nearly unmatched in its size class.

Pros:

  • Exceptional Stability: The 250lb lead keel makes it virtually impossible to capsize under normal sailing conditions.
  • High-Quality Design: Jim Taylor’s hull design ensures the boat remains lively and fun to sail, even with the added ballast.
  • Ease of Use: Simple rig and open cockpit make it perfect for solo sailing or training.

Cons:

  • Limited Versatility: The fixed keel prevents beaching and makes launching from a standard boat ramp more difficult than the centerboard version.
  • Weight: It is significantly heavier than comparable 15-foot dinghies, requiring a more substantial trailer and towing vehicle.
  • No Interior: As a pure daysailer, it offers zero overnighting capability or dry storage for long cruises.

Measurements

Construction & Hull

Construction Material
Fiberglass
Hull Type
Monohull Sailboat
Keel Type
Fin
Rudder
1x Transom-Hung
Ballast
250 lbs (Lead)
Displacement
600 lbs
Water Capacity
-
Fuel Capacity
-

Dimensions

Length Overall (LOA)
15 ft
Waterline Length (LWL)
13.75 ft
Beam
7 ft
Draft
1.75 ft
Max Headroom
-
Air Draft
25.33 ft
Hover over a measurement
IJPE FS LOALWL

Rig & Sails

Rig Type
Fractional Sloop
P (Main Luff)
18.3 ft
E (Main Foot)
8.9 ft
I (Foretriangle Height)
15.2 ft
J (Foretriangle Base)
4.7 ft
Forestay Length (est)
15.91 ft
Sail Area
130 sqft

Calculations

Sail Area / Displacement (SA/D) Ratio
29.24
Ballast / Displacement Ratio
41.67
Displacement / Length Ratio (D/L) Ratio
103.04
Comfort Ratio
4.91
Capsize Screening Formula
3.32
Hull Speed
4.97 kn