Tylercraft 21 — Information, Review, Specs

Ted Tyler·1959·Tylercraft Inc.
Approximate drawing

Hover a measurement to read its value

Hull type
Monohull · twin
Rig
Masthead Sloop
LOA
21' · 6.4 m
Displ.
3,000 lbs · 1,361 kg
First year
1959

The Tylercraft 21 stands as a quintessential example of the "pocket cruiser" philosophy that dominated the American sailing scene during the fiberglass revolution of the 1960s. Designed by Ted Tyler and produced in his Oakdale, New York facility, the 21 was marketed as an attainable entry point for families seeking a rugged, trailerable vessel capable of navigating the thin waters of the Great South Bay and beyond. While smaller than its more famous sibling, the Tylercraft 24, the 21foot model retained the brand’s signature twinkeel (bilge keel) configuration, a rarity in American boatbuilding at the time that allowed the vessel to remain upright during lowtide groundings.

Measurements

Dimensions 01

LOA
21 ft
LWL
20 ft
Beam
7 ft
Draft
2 ft
Max headroom
-
Air draft
-

Construction & hull 02

Construction
Fiberglass
Hull type
Monohull
Keel type
Twin
Rudder
1× —
Ballast
-
Displacement
3000 lbs
Water
-
Fuel
-

Rig & sails 03

Rig type
Masthead Sloop
P · main luff
-
E · main foot
-
I · fore ht.
-
J · fore base
-
Forestay (est)
-
Sail area
216 sqft

Calculations 04

SA/D ratio
16.61
Ballast/Disp.
D/L ratio
167.41
Comfort ratio
17.09
Capsize screening
1.94
Hull speed
5.99 kn

Sailing Performance & Handling

The sailing characteristics of the Tylercraft 21 are defined almost entirely by its twin-keel underwater profile. With a draft of only two feet, the boat was engineered for coastal exploration rather than blue-water racing. On the water, the 21 is a stiff, stable platform that resists healing more effectively than many contemporary centerboard designs of the same era. However, this stability comes at the cost of aerodynamic efficiency; like many bilge-keelers, the 21 struggles to point as high into the wind as a deep-finned monohull.

Under a masthead sloop rig, the 21 is noted for its predictable, if somewhat heavy, helm. The displacement-to-length ratio suggests a boat that favors momentum over acceleration, making it well-suited for heavy air where its "big boat" feel provides a sense of security to novice sailors. While specific editorial performance tests are rare for this vintage, owner archives frequently cite that the boat tracks exceptionally well on a reach due to the dual-keel "tracks" acting as directional stabilizers. Conversely, in light air, the increased wetted surface area of two keels can make the boat feel sluggish.

Interior Comfort & Variations

For a vessel of just 21 feet, the interior of the Tylercraft 21 is remarkably voluminous, a result of Ted Tyler’s focus on "livability per foot." The cabin typically features a traditional V-berth forward, a small settee arrangement, and a rudimentary galley area. The absence of a centerboard trunk—common in other shallow-draft boats of this size—opens up the cabin floor, providing a sense of space usually reserved for 24 or 25-footers.

The 21 was produced alongside the Tylercraft 22 and the 24, often sharing similar molds or design cues. While the 24 offered a more dedicated head compartment and standing headroom for shorter sailors, the 21 remained a "sitting headroom" boat, prioritized for overnighting and weekend coastal hopping. Construction materials were robust, featuring thick hand-laid fiberglass, though the finish was often utilitarian, reflecting its position as an affordable cruiser.

Known Issues & Buyer’s Checklist

Prospective buyers of a Tylercraft 21 must account for the age of the fiberglass and the specific quirks of Ted Tyler’s early construction methods.

  • Deck Delamination: Like many boats of this era, Tylercraft utilized a balsa or plywood core for the decks. Water intrusion through poorly bedded deck hardware often leads to soft spots, particularly around the mast step and the chainplates.
  • Keel-to-Hull Integrity: The twin-keel arrangement places unique stress on the hull at the mounting points. It is critical to inspect the interior "floors" (the structural ribs) for cracks or signs of flexing where the keels meet the laminate, especially if the boat has been frequently trailered or grounded.
  • Rudder Assembly: The skeg-mounted rudder on the 21 is sturdy, but the bushings and the tiller head connection are known wear points that can lead to excessive "slop" in the steering.
  • Rigging Age: Many of these vessels still carry original or decades-old standing rigging. Given the masthead configuration, the tension on the forestay and backstay is significant; a thorough inspection of the swage fittings for "meat hooks" or hairline cracks is mandatory.

Community & Resources

While there is no longer an active manufacturer presence, the Tylercraft legacy is maintained by a small but dedicated group of enthusiasts. Historically, the Tylercraft Owners Group served as the primary repository for technical drawings and brochures. While many of these groups have migrated to social media platforms, the collective knowledge regarding the 21, 22, and 24 models remains accessible through vintage boat forums. Research into original specifications is best conducted through historical archives of New York-based maritime museums, which occasionally hold regional builder catalogs.

The Verdict

The Tylercraft 21 is a niche classic that offers a unique combination of shallow-draft utility and fiberglass durability.

Pros:

  • Exceptional Draft: The 2'0" draft allows access to anchorages and coves closed to most other keelboats.
  • Stability: The twin-keel design provides a stiff, safe-feeling ride in a breeze.
  • Cabin Volume: Excellent interior space for its length due to the lack of a centerboard trunk.

Cons:

  • Upwind Performance: Limited ability to tack through tight angles compared to fin-keel competitors.
  • Wetted Surface: Slower performance in light wind conditions.
  • Maintenance Debt: Most units will require significant deck or structural restoration due to their age.

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