AMF 2100 Information, Review, Specs

AMF 2100 Drawing
Make
AMF
Model
2100
Builder
AMF
Designer
Ted Hood
Number Built
Production Year(s)
1980 - 1983

The AMF 2100 represents a pivotal, albeit brief, moment in the late 1970s when the AMF Corporation sought to expand its Alcort division beyond the legendary Sunfish dinghy into the competitive world of pocket cruisers. Produced between 1977 and roughly 1980, the 2100 was designed to be a "step-up" vessel for sailors graduating from small open daysailers. It was marketed as a high-performance, trailerable sloop that combined the simplicity of a beach boat with the overnight capabilities of a true cruising yacht. Built with the industrial-grade fiberglass techniques typical of AMF’s late-70s production, the 2100 featured a clean, modern aesthetic and a versatile swing-keel configuration that made it an ideal choice for the shallow-water sailors of the East Coast and the Great Lakes.

Sailing Performance & Handling

The AMF 2100 is characterized by its masthead sloop rig and a versatile swing-keel design, which allows for a minimum draft of approximately 1 foot 10 inches with the board up, extending to nearly 5 feet when fully deployed. This configuration provides a balance between trailerability and upwind performance. Historically, technical reviews from the period in publications such as Boating Magazine noted that the boat was surprisingly stiff for a 21-footer, largely due to the concentration of ballast within the swing keel itself.

With a relatively high sail area-to-displacement ratio for its class, the 2100 is responsive in light air but requires early reefing as the breeze freshens to maintain a manageable heel angle. Its handling is often described as "dinghy-like"—predictable and quick to respond to helm corrections—which reflects the Alcort division's pedigree in small-boat design. However, the boat's light displacement means it can be somewhat "flighty" in a heavy chop, making it more suited for coastal exploration and inland lakes than blue-water passages.

Interior Comfort & Variations

For a boat under 21 feet, the AMF 2100 offers a surprisingly functional interior that maximized the "industrial design" ethos of the AMF era. The cabin is laid out with a classic V-berth forward, separated from the main salon by a small privacy curtain or bulkhead. Two long quarter berths extend aft under the cockpit seats, providing sleeping accommodations for up to four adults, though the space is realistically better suited for a couple or a young family.

The boat was produced primarily as a single configuration, though it was part of a broader family of AMF sloops. It is the direct successor to the AMF 2000, sharing a similar hull profile but featuring a revamped deck mold that offered slightly better headroom and an improved galley arrangement. Unlike its smaller sibling, the AMF 1400 (a pure daysailer), the 2100 included a dedicated space for a portable head and a rudimentary galley area with room for a small stove and sink. The use of molded fiberglass liners made the interior easy to clean but can feel somewhat utilitarian compared to the teak-heavy interiors of higher-end competitors from the same era.

Known Issues & Buyer’s Checklist

Prospective buyers should approach the AMF 2100 with a focus on its structural "bones," as the production quality of the late 70s can vary. The following areas are critical for inspection:

  • Swing Keel Pivot Bolt: The most common technical failure involves the pivot pin and the trunk assembly. Over decades of use, the hole in the keel or the pin itself can wear, leading to a "thumping" sound while at anchor or under sail. In extreme cases, the cable and winch system used to raise the keel can fray or seize.
  • Deck Core Delamination: Like many boats of this vintage, the 2100 uses a balsa-cored deck. Moisture ingress around the chainplates, stanchions, or the mast step can lead to soft spots. A thorough "tap test" with a phenolic hammer is recommended.
  • Mast Step Compression: The deck-stepped mast relies on a compression post or a reinforced bulkhead to transfer loads. Buyers should check for sagging in the cabin overhead or cracks in the fiberglass near the mast base.
  • Rudder Blade Stress: The original kick-up rudders are prone to stress fractures around the pivot point, especially if the boat was frequently sailed in areas with submerged obstacles.

Community & Resources

While there is no longer a dedicated factory support system for the AMF 2100, owners often find technical support through the broader Sunfish/Alcort Owners communities. Because AMF utilized many standardized parts across its brands, technical wikis dedicated to the Paceship and Alcort lines are excellent sources for finding replacement hardware or rigging specifications. The Sunfish Forum occasionally hosts technical threads specifically for the larger AMF sloops (1400, 2000, and 2100).

The Verdict

The AMF 2100 remains a viable and affordable entry point for sailors looking for a trailerable pocket cruiser with a bit more "soul" than a standard mass-market daysailer.

Pros:

  • Ease of Transport: The swing keel and manageable weight make it an excellent candidate for driveway storage and regional trailering.
  • Shallow Draft: Can be gunkholed in waters where larger keelboats would never dare to go.
  • Simplicity: Minimal systems (no inboard engine or complex plumbing) make it an easy boat for a DIY owner to maintain.

Cons:

  • Aging Hardware: Many units require significant updates to standing rigging and deck hardware to be considered safe by modern standards.
  • Limited Headroom: While the cabin is functional for sleeping, it lacks the standing headroom found in slightly larger 23- to 25-foot cruisers.
  • Lightweight Build: Not intended for heavy weather; the boat can feel lively and occasionally nervous in a blow.

Measurements

Construction & Hull

Construction Material
Fiberglass
Hull Type
Monohull Sailboat
Keel Type
Lifting
Rudder
1x —
Ballast
850 lbs (Lead)
Displacement
2200 lbs
Water Capacity
-
Fuel Capacity
-

Dimensions

Length Overall (LOA)
21.08 ft
Waterline Length (LWL)
17.58 ft
Beam
8 ft
Draft
4 ft
Max Headroom
-
Air Draft
27.58 ft
Hover over a measurement
IJPE FS LOALWL

Rig & Sails

Rig Type
Fractional Sloop
P (Main Luff)
25.25 ft
E (Main Foot)
9 ft
I (Foretriangle Height)
23.91 ft
J (Foretriangle Base)
8 ft
Forestay Length (est)
25.21 ft
Sail Area
209 sqft

Calculations

Sail Area / Displacement (SA/D) Ratio
19.77
Ballast / Displacement Ratio
38.64
Displacement / Length Ratio (D/L) Ratio
180.77
Comfort Ratio
11.43
Capsize Screening Formula
2.46
Hull Speed
5.62 kn