Chesapeake 20 — Information, Review, Specs

Ernest H. Hartge·1939·~250 hulls·Ernest H. Hartge
Approximate drawing

Hover a measurement to read its value

Hull type
Monohull · centerboard
Rig
Fractional Sloop
LOA
20' · 6.1 m
Displ.
950 lbs · 431 kg
First year
1939

The Chesapeake 20 is a quintessential American racing machine, a design born from the workboat traditions of the Chesapeake Bay and refined for speed by Dick Hartge in 1935. Originally crafted at the Hartge Yacht Yard in Galesville, Maryland, this 20foot racing sloop was conceived as a development of the traditional log canoe and crabbing skiffs, optimized to handle the light winds and shallow waters of the MidAtlantic. Known for its extreme beam and massive sail area, the Chesapeake 20 remains a vibrant piece of maritime history, still campaigned today by a dedicated fleet of sailors on the West River and beyond. While the original hulls were carvelplanked cedar, the class evolved to allow fiberglass construction in later decades, though both variants continue to race competitively under a unified class rule.

Measurements

Dimensions 01

LOA
20 ft
LWL
15.58 ft
Beam
6.58 ft
Draft
4.42 ft
Max headroom
-
Air draft
-

Construction & hull 02

Construction
Fiberglass/Wood Composite
Hull type
Monohull
Keel type
Centerboard
Rudder
1× —
Ballast
150 lbs
Displacement
950 lbs
Water
-
Fuel
-

Rig & sails 03

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

Calculations 04

SA/D ratio
41.39
Ballast/Disp.
15.79
D/L ratio
112.14
Comfort ratio
7.06
Capsize screening
2.68
Hull speed
5.29 kn

Sailing Performance & Handling

The Chesapeake 20 is frequently described as a "thoroughbred" of the Bay, characterized by its extraordinary power-to-weight ratio. With a 20-foot length and an exceptionally wide beam of nearly 8 feet, the hull provides a massive platform to support a sail plan that often exceeds 300 square feet. This sail area is disproportionately large for a vessel of its size, a design choice intended to keep the boat moving in the notoriously light summer doldrums of the Chesapeake.

Handling the boat is an athletic endeavor. Because it lacks a heavy keel, relying instead on a weighted centerboard and the "live ballast" of its crew, the boat is highly responsive and sensitive to trim. According to historical class overviews from the West River Sailing Club, which has hosted the fleet for decades, the Chesapeake 20 requires active weight management; in a breeze, the crew must hike hard to keep the flat-bottomed hull from heeling excessively. When trimmed correctly, the boat planes easily and tracks surprisingly well for a centerboarder, though its shallow draft means it can be "skittish" in a chop if the board is not properly tuned.

The Chesapeake 20 holds a storied place in regional maritime lore, often featured as the centerpiece of the West River’s "Heritage Regatta." The model has been a frequent subject in SpinSheet Magazine, where it is celebrated for its longevity and its role in preserving the "Development Class" tradition, where minor modifications to rig and hull are permitted within a strict box rule. The boat’s cultural footprint is most visible in the Chesapeake Bay’s racing circuit, where the sight of a "20" with its towering mast and iconic wooden hull serves as a living link to the 1930s era of yacht design.

Known Issues & Buyer’s Checklist

For those looking to acquire a Chesapeake 20, the inspection process varies significantly between wooden and fiberglass hulls.

  1. Centerboard Trunk Integrity: The centerboard trunk is a high-stress area and a common source of leaks. In wooden hulls, check for rot at the bedlog-to-keel joint. In fiberglass models, inspect for structural cracking around the trunk’s leading and trailing edges.
  2. Mast Step and Rigging Tension: Because the rig is so powerful, the mast step and chainplates endure significant loads. Look for compression damage in the bilge area where the mast steps and check for "working" or movement in the chainplate attachments.
  3. Wooden Hull Fastenings: Older carvel-planked hulls may suffer from "fastening sickness" or electrolysis if they have not been refastened in recent decades. A thorough "sounding" of the cedar planks is necessary to identify soft spots or loose bungs.
  4. Fiberglass Osmosis: For the fiberglass variants built in the late 20th century, check the hull for osmotic blistering, particularly if the boat has been stored in the water rather than dry-sailed.

Community & Resources

The heart of the class is the Chesapeake 20 Class Association, which operates largely out of the West River Sailing Club in Galesville, Maryland. This community is the primary repository for technical drawings, rigging guides, and historical records. The Hartge Yacht Yard remains a vital resource for historical context and specialized wooden boat repair advice for this specific model.

The Verdict

The Chesapeake 20 is an exhilarating, high-performance classic that demands a high level of seamanship but rewards the sailor with unmatched light-air speed and a deep connection to Chesapeake Bay history.

Pros:

  • Light Air Performance: Exceptionally fast in light winds where other boats stall.
  • Historical Prestige: Owning a "20" grants entry into one of the most respected classic racing circles in the U.S.
  • Trailerability: Despite its beam, the centerboard design makes it easy to launch and transport.

Cons:

  • High Maintenance: Wooden versions require significant annual upkeep and covered storage.
  • Demanding Handling: Not a "lazy" daysailer; requires an active, coordinated crew to manage the large sail plan.
  • Niche Market: Resale is largely concentrated in the Mid-Atlantic region.

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