The Gloucester 18 (Whitecap) is a spirited and highly regarded trailerable sailboat, primarily designed for day sailing and light racing. Conceived by the prolific naval architect Harry R. Sindle, this monohull was initially brought to market by Lockley-Newport Boats and later by Gloucester Yachts. It quickly established a reputation for its lively performance and ease of handling, appealing to sailors seeking an accessible and enjoyable sailing experience on lakes and coastal waters.
Gloucester 18 (Whitecap) Information, Review, Specs
- Make
- Whitecap
- Model
- Gloucester 18
- Number Built
- Production Year(s)
- 1974 - 1984
The Gloucester 18 (Whitecap) entered production around 1974, with its manufacturing run extending until approximately 1984. It was first introduced as the "Whitecap" under the Lockley-Newport brand, before being re-designated as the "Gloucester 18" when the company transitioned to Gloucester Yachts. It is important to distinguish this model from another Gloucester 18, which was a re-branding of the Buccaneer 18.
Designer Harry R. Sindle envisioned the Gloucester 18 (Whitecap) as a dedicated day sailer, aiming for a design that offered engaging performance in a compact, trailerable package. Its builder, Lockley Newport Boats and its successors, were known for producing sturdy and practical fiberglass sailboats, aligning with the mid-20th century trend towards durable, low-maintenance recreational vessels. The company's manufacturing ethos focused on making sailing accessible, producing boats like the Gloucester 18 (Whitecap) with solid fiberglass hulls and decks.
Sailing Performance and Handling
With a length overall of 18.0 feet and a waterline length of 16.5 feet, the Gloucester 18 (Whitecap) is characterized by its ultralight displacement of 750 pounds, with 125 pounds of ballast. This design contributes to its identity as a very high-performance vessel for its size, making it particularly well-suited for racing.
Equipped with a fractional sloop rig and a centerboard keel, the Gloucester 18 (Whitecap) offers both excellent upwind capability when the board is deployed and a minimal draft of just 0.67 feet when retracted, facilitating easy launch, retrieval, and shallow-water access. While described as stable and stiff, its ultralight nature and design as a performance day sailer suggest it is responsive and agile, offering an exciting ride in various conditions. The boat's reported hull speed is 5.44 knots.
Accommodations and Layout
As a dedicated day sailer, the Gloucester 18 (Whitecap)'s accommodations are intentionally minimalist, prioritizing cockpit space and sailing performance over extensive interior living areas. While specific interior details are limited, boats of this size and purpose typically feature a compact cabin primarily offering storage for gear or very basic shelter. It is designed for short excursions rather than extended cruising, meaning amenities for overnighting are either absent or very spartan. The focus remains on the open-air sailing experience and ease of handling.
Measurements
Construction & Hull
- Construction Material
- Fiberglass (Solid)
- Hull Type
- Monohull Sailboat
- Keel Type
- Centerboard
- Rudder
- 1x —
- Ballast
- 125 lbs
- Displacement
- 750 lbs
- Water Capacity
- -
- Fuel Capacity
- -
Engine
- Engine Make
- —
- Engine Model
- —
- Engine Type
- —
- Engine HP
- —
- Engine Count
- 1
- Drive Type
- —
- Fuel Type
- —
Rig & Sails
- Rig Type
- Fractional Sloop
- P (Main Luff)
- -
- E (Main Foot)
- -
- I (Foretriangle Height)
- -
- J (Foretriangle Base)
- -
- Forestay Length (est)
- -
- Main Sail Area
- -
- Foretriangle Sail Area
- -
- Total Sail Area (Reported)
- 176 sqft
- Total Sail Area (Calc)
- -
Dimensions
- LOA
- 18 ft
- LWL
- 16.5 ft
- Beam
- 6.58 ft
- Draft
- 5 ft
- Max Headroom
- -
- Air Draft
- 27.75 ft
Calculations
- Hull Speed
- 5.44 kn
- Pounds per Inch Immersion
- 387.93