Class AB

#450 A or B Class racing runabout Build in PLYWOOD

Length overall 10'-6"
Beam 4'-1/2"
Hull depth 13 1/2"
Hull weight (approx.): 110 lbs.
Racing weight min. (boat, driver, & motor): Class A - 345 lbs.
Class B - 395 lbs.
Class racing division: Designed for APBA "A" or "B" runabout racing. These classes are no longer active.
  • Hull type: Feature high speed monoplane bottoms with wide, flaring, anti-trip chine sides. Canted decks combined with wedge-shaped planform minimizes frontal resistance. All surfaces are developed for sheet plywood planking for minimum hull weight.
  • Power: Short shaft outboard motor
    • Class A - Over 7.5 through 15 cu. in.
    • Class B - Over 15 through 20 cu. in.
    • For pleasure use: 10 hp
      Note: "Pleasure" hp rating is based on the formula contained in the US Boating and Safety Act. This horsepower limitation does not apply to boats intended for racing.
  • Can the hull be extended or shortened? Yes. Up to 10% by re-spacing the frames from the aft end of the stem to the transom a proportional amount. We do not recommend increasing the beam.

More about Class Racing

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