Competition 1000 — Information, Review, Specs

Alan Gurney·1973 – 1975·~6 hulls·Sven Svendsen's Boat Works
Approximate drawing

Hover a measurement to read its value

Hull type
Monohull · fin
Rig
Masthead Sloop
LOA
28.67' · 8.74 m
Displ.
7,400 lbs · 3,357 kg
First year
1973

The Competition 1000 is a rare, highperformance racing sloop that emerged from the specialized world of the IOR (International Offshore Rule) HalfTon class in the mid1970s. Designed by the renowned naval architect Alan Gurney—famed for highspeed icons like the Windward 44 and Guinevere—the Competition 1000 was a purposebuilt racercruiser intended to balance the aggressive rating requirements of IOR competition with enough seakindliness for offshore passages. The model was produced in a very limited run, with records suggesting as few as seven hulls were built by Svendsen’s Boat Works in Alameda, California, a yard known for highquality custom and semicustom composite work during the golden age of San Francisco Bay racing.

Measurements

Dimensions 01

LOA
28.67 ft
LWL
23.25 ft
Beam
9.75 ft
Draft
5.25 ft
Max headroom
-
Air draft
-

Construction & hull 02

Construction
Fiberglass
Hull type
Monohull
Keel type
Fin
Rudder
1× Spade
Ballast
3450 lbs (Lead)
Displacement
7400 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
424 sqft

Calculations 04

SA/D ratio
17.86
Ballast/Disp.
46.62
D/L ratio
262.85
Comfort ratio
22.14
Capsize screening
2
Hull speed
6.46 kn

The boat is officially recognized in historical racing databases and handicapping records, including its listing among the specific designs for the Half Ton class. While its name suggests a 10-meter (33-foot) length, it was specifically optimized as a "Half-Tonner," a designation that governed displacement and sail area to ensure tight competition among the world's most capable mid-sized racing yachts.

Sailing Performance & Handling

The Competition 1000 is defined by its stiff, powerful sailing profile, largely due to an exceptionally high ballast-to-displacement ratio of roughly 46%. This figure is significantly higher than the 30% average found in modern production cruisers, resulting in a vessel that remains remarkably "on its feet" when the wind freshens. Its masthead rig is simple yet robust, providing a Sail Area/Displacement (SA/Disp) ratio of approximately 17.8, which places it firmly in the "cruiser-racer" category of its era—powerful enough to move in light air but built for the rigors of heavy-weather tracking.

Handling is characterized by the "Gurney touch," which often mitigated the more temperamental habits of IOR-era designs. While many boats of this period featured pinched sterns that led to "death rolls" when running downwind in a blow, the Competition 1000’s hull form was noted by owners for being well-balanced and predictable. Its fin keel and deep spade rudder provide the maneuverability necessary for short-course racing, while a Displacement/Length (DL) ratio of 263 ensures enough mass to prevent the boat from being bullied by a short chop. The boat maintains a competitive presence in regional handicap fleets to this day, often appearing in US Sailing PHRF records with ratings that reflect its continued speed potential.

Interior Comfort & Variations

Unlike many "stripped-out" racers of the 1970s, the Competition 1000 was designed with a legitimate interior for limited coastal cruising. The layout is typical for a 33-footer of the period, featuring a V-berth forward, a central salon with a folding table, and a compact galley and navigation station flanking the companionway. Because Svendsen’s Boat Works operated as a semi-custom yard, internal finishes often varied between hulls, with some featuring extensive teak joinery while others utilized lighter-weight materials for a more racing-focused "Spartan" feel.

The boat’s sister model, the Azzura 310, was also built by the same yard and shared some of the design philosophy, though the Competition 1000 remained the more dedicated offshore contender. The "1000" series emphasized structural integrity, often utilizing vacuum-bagged or hand-laid laminates that were advanced for the time, providing a solid feel below decks that many contemporary owners still praise.

Known Issues & Buyer’s Checklist

Prospective buyers should approach the Competition 1000 with a focus on its age and specialized construction:

  • Deck Core Integrity: Like many 1970s GRP boats, the deck is likely balsa-cored. High-stress areas around the mast step and chainplates must be inspected with a moisture meter for signs of delamination or rot.
  • Rudder Post and Bearings: The deep spade rudder is a high-load component. Any play in the rudder post or signs of weeping at the bearing housing should be addressed immediately.
  • IOR Hull Stresses: The "pinched" ends of IOR designs can sometimes lead to localized stress cracking in the gelcoat near the bow and stern pulpits. While usually cosmetic, they warrant a close look at the underlying laminate.
  • Rigging Age: Given the boat’s performance pedigree, many have been raced hard. The standing rigging and the mast step (often a cast aluminum or steel shoe) should be checked for corrosion and fatigue.

Community & Resources

The primary community for the Competition 1000 is found within the broader Half-Ton Class associations, particularly in Europe and the West Coast of the United States, where these boats are still celebrated for their historical significance. Technical data and historical context are frequently maintained by the Half Ton Class Association, which oversees the restoration and racing of IOR-era heritage yachts.

The Verdict

Pros:

  • Extremely stiff and stable due to a 46% ballast ratio.
  • High-quality construction from a reputable California yard (Svendsen’s).
  • Capable of both competitive club racing and offshore cruising.
  • Designed by Alan Gurney, ensuring better-than-average balance for an IOR hull.

Cons:

  • Extremely limited production makes finding parts and specific hull data difficult.
  • 1970s deck hardware may require significant modern upgrades for ease of handling.
  • Tight following-sea performance typical of narrow-sterned IOR designs.

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