The Tripp Javelin 38 represents a significant chapter in the early era of fiberglass yacht construction, merging the visionary naval architecture of American designer William H. Tripp Jr. with the precision craftsmanship of the Amsterdam Shipyard G. de Vries Lentsch. Commissioned by Seafarer Yachts in the early 1960s, the Javelin 38 was designed during a transformative period when the Cruising Club of America (CCA) rating rule influenced hull shapes toward graceful overhangs and substantial displacement. Built in the Netherlands, these vessels were marketed as premium offshore cruisers, offering a level of joinery and structural integrity that distinguished them from many contemporary mass-produced American builds. The Javelin 38 is often recognized as the larger, more capable sibling to the popular Swiftsure 33 and the Medalist 32, sharing a distinctive aesthetic characterized by a low profile, wide beam for its era, and a powerful masthead rig.
Tripp Javelin 38 Information, Review, Specs

- Make
- Tripp
- Model
- Javelin 38
- Builder
- G. DeVries Lentsch, Jr.,
- Designer
- William H. Tripp, Jr.
- Number Built
- 25
- Production Year(s)
- 1960 - 1966
Sailing Performance & Handling
The Javelin 38 is a quintessential heavy-displacement cruiser, designed to provide a sea-kindly motion in offshore conditions rather than prioritize light-wind acceleration. With a displacement-to-length ratio typically hovering in the high 300s, the hull is designed to "bust through" chop rather than dance over it. Owners and historical reviews from the era note that the boat excels in a breeze; it is stiff and predictable, reaching its stride once the wind exceeds 15 knots.
Handling characteristics are defined by its full keel with a cutaway forefoot. This configuration provides excellent directional stability, allowing the boat to track well on long offshore passages with minimal helm fatigue. However, like many CCA-era designs with long keels and a high-aspect rudder attached to the trailing edge of the keel, the Javelin 38 can be challenging to maneuver in tight marinas, particularly when backing under power. The boat’s wide beam—revolutionary for the early 1960s—provides significant initial stability, a hallmark of Bill Tripp’s design philosophy that aimed to reduce the need for early reefing.
Interior Comfort & Variations
The interior of the Javelin 38 reflects the high standards of the De Vries Lentsch shipyard, featuring an abundance of varnished hardwoods, typically mahogany or teak, which contrasts with the starker "white-out" fiberglass interiors of later decades. The layout is a classic offshore configuration: a forward V-berth followed by a head and hanging lockers, a main saloon with settee berths (often with pilot berths above and outboard), and a galley and navigation station flanking the companionway.
While the primary model was a masthead sloop, several hulls were rigged as yawls, a popular choice at the time to assist with sail balancing and to provide a "steadying sail" at anchor. The Javelin 38 also shared its hull platform with a few custom variations; while the 38-foot hull remained consistent, the internal cabinetry often varied slightly depending on whether the original owner prioritized storage for long-distance voyaging or open floor space for coastal entertaining. Headroom is generally considered excellent for a vessel of this vintage, often exceeding 6'2" in the main saloon.
Known Issues & Buyer’s Checklist
Purchasing a Tripp Javelin 38 today requires a thorough understanding of early fiberglass construction and the aging process of mid-century hardware.
- Deck Core Integrity: Like many boats of this era, the Javelin 38 uses a balsa-cored deck. Buyers should inspect for soft spots, particularly around the chainplates, stanchion bases, and the mast step. Water intrusion in these areas over several decades can lead to significant delamination.
- Keel Bolts and Ballast: While some Javelins featured encapsulated ballast, others utilized external lead or iron keels. If the ballast is iron, rust expansion can threaten the fiberglass "smile" at the leading edge of the keel-to-hull joint.
- Original Spars and Rigging: Many Javelins still carry their original heavy-walled aluminum masts. While robust, the internal wiring and masthead sheaves often require replacement. Furthermore, the chainplates are often glassed into the hull structure, making a detailed inspection for crevice corrosion difficult but necessary.
- Engine Repowering: Many of these vessels were originally equipped with the Universal Atomic 4 gasoline engine. While reliable if maintained, many owners have opted to repower with modern diesels. A boat that has already undergone a professional diesel conversion represents a significant value increase.
Community & Resources
Owners of the Javelin 38 and other Tripp-designed Seafarer models often congregate within the broader community of classic plastic enthusiasts. While there is no longer a formal factory support system, the Seafarer Yacht Owners group and various Bill Tripp design forums provide a wealth of archived technical drawings and restoration advice. Technical specifications and historical context can occasionally be found through the archives of the Tripp Design firm, which continues the legacy of William H. Tripp Jr. under the leadership of his son.
The Verdict
The Tripp Javelin 38 is a "sailor’s sailboat," appealing to those who value traditional aesthetics and the robust feel of a Dutch-built hull. It is not a modern racer, but it remains a formidable bluewater contender for those willing to maintain a vintage thoroughbred.
Pros:
- Exceptional aesthetic appeal with classic CCA lines.
- Heavy, sea-kindly motion ideal for offshore cruising.
- High-quality Dutch interior joinery rarely found in modern production boats.
- Extremely stable and stiff in heavy weather.
Cons:
- Requires significant maintenance of exterior brightwork.
- Difficult to maneuver in reverse due to full-keel design.
- Likely requires upgrades to electrical and plumbing systems if original.
- Slower in light air compared to modern fin-keel designs.
Measurements
Construction & Hull
- Construction Material
- Fiberglass
- Hull Type
- Monohull Sailboat
- Keel Type
- Fin
- Rudder
- 1x —
- Ballast
- 4760 lbs (Lead)
- Displacement
- 16000 lbs
- Water Capacity
- 100 gal
- Fuel Capacity
- 35 gal
Dimensions
- Length Overall (LOA)
- 37.83 ft
- Waterline Length (LWL)
- 25 ft
- Beam
- 10 ft
- Draft
- 5.25 ft
- Max Headroom
- -
- Air Draft
- -
Rig & Sails
- Rig Type
- Masthead Sloop
- P (Main Luff)
- 35 ft
- E (Main Foot)
- 17 ft
- I (Foretriangle Height)
- 40.66 ft
- J (Foretriangle Base)
- 13.75 ft
- Forestay Length (est)
- 42.92 ft
- Sail Area
- 577 sqft
Calculations
- Sail Area / Displacement (SA/D) Ratio
- 14.54
- Ballast / Displacement Ratio
- 29.75
- Displacement / Length Ratio (D/L) Ratio
- 457.14
- Comfort Ratio
- 39.91
- Capsize Screening Formula
- 1.59
- Hull Speed
- 6.7 kn