Super Porpoise Information, Review, Specs

Sailing Performance & Handling

The sailing characteristics of the Super Porpoise are defined by its flat-bottomed, hard-chined hull, which allows it to transition onto a plane much earlier than rounded-hull dinghies. With a sail area typically hovering around 100 square feet, the boat is notoriously "over-canvased" for its weight, a trait that makes it an exciting performer in light to moderate air. In higher winds, the boat requires active hiking and precise mainsheet trimming to prevent capsizing, as the wide beam provides initial stability but becomes difficult to manage once the rail is buried.

Tracking is handled by a removable wooden or fiberglass daggerboard. Handling is generally considered more forgiving than the smaller Mini Porpoise (the 12-foot sibling model), as the extra length and beam of the "Super" variant provide a more stable platform for two adults or one adult and two children. Historical accounts from early 1970s marine trade publications suggest that while it lacks the pointing ability of a Marconi-rigged sloop, its reaching speed is exceptional for a lateen-rigged vessel. The boat uses a kick-up rudder system, which is essential for beach landings and prevents transom damage when sailing in shallow coastal waters or inland lakes.

Known Issues & Buyer’s Checklist

Prospective owners of a vintage Super Porpoise should focus primarily on the integrity of the hull’s foam core. Like many boats of this era and construction type, the hull is filled with expanded polystyrene foam for flotation and structural rigidity. Over decades, water can ingress through the daggerboard trunk, deck hardware holes, or the mast step, saturating the foam. A "waterlogged" Super Porpoise can weigh significantly more than its specified 150 lbs, severely degrading performance and making it dangerous to car-top.

The mast step is another high-stress area; the force of the lateen rig can cause the fiberglass around the step to craze or crack. Buyers should inspect the daggerboard trunk for vertical cracks, which are common if the boat was sailed into an obstruction with the board fully deployed. Finally, because the original manufacturers are no longer in business, original hardware—specifically the unique aluminum trim and rudder gudgeons—can be difficult to replace. Most owners resort to adapting modern Sunfish or Laser hardware to keep these vessels operational.

Community & Resources

While there is no longer a formal class association for the Super Porpoise, the boat maintains a presence within the Sunfish and Sailfish owner communities due to their shared design DNA. Information regarding restoration and rig tuning is frequently archived by vintage small-craft enthusiasts. Technical specifications and historical advertisements are often preserved in digital archives of period-specific periodicals like Popular Mechanics and Boating, which documented the boom of the "board boat" era in the mid-20th century.

The Verdict

The Super Porpoise is a nostalgic, high-energy beach sailor that offers a more robust platform than the standard Sunfish without sacrificing simplicity.

Pros

• High Power-to-Weight: The large sail area allows for impressive planing speeds in moderate breezes.
• Stability: The wider beam makes it more approachable for beginners compared to narrower racing dinghies.
• Simplicity: The lateen rig is easy to set up, requiring only a single halyard and a mainsheet.

Cons

• Weight Vulnerability: Prone to water absorption in the internal foam, which can double the hull weight if not properly stored.
• Parts Availability: Unique vintage hardware is no longer manufactured, requiring custom solutions for repairs.
• Limited Upwind Ability: The lateen rig and shallow daggerboard struggle to match the tacking angles of modern sloop-rigged dinghies.