O'Day International Tempest Sailboat (1967)

The Hull of the O'Day International Tempest

Young in years but an old-timer in the award category, International Tempest has established for herself an enviable reputation in a very short time.

This 22', two-man keelboat won every race she entered in the Holland Trials during the year of her birth, after which she was approved for fiberglass production by the International Yacht Racing Union.

Designed by Britain's Ian Proctor, the International Tempest has, in the words of those who have raced her, "terrific speed", "remarkably high maneuverability" and is "a top-performing planing keel boat."

O'Day was first to test International Tempest's prototype in this country, and is approved by Lloyd's of London to build her in the United States and Canada.

In the first national championship held for her class, 26 out of 35 International Tempests entered were built by O'Day, and O'Day boats won eight out of nine first places. Another recent win for O'Day was first, second and third places in the Long Island Sound Championships.

It's smooth sailing with an O'Day International Tempest Sailboat

International Tempest has a 500-lb. retractable fin keel and a unique bendy rig with 247 square feet of sail plus spinnaker. Special high strength extrusions for the mast and boom bend to a large degree under sail.

Theoretically, says designer Proctor, this should destroy the airfoil shape of the sail and reduce efficiency, but in the case of International Tempest, this "broken rule of sail design has resulted in really outstanding performance.

Riding high on the waves on the O'Day International Tempest


  • Length: 22";
  • Beam: 6'4";
  • Draft: 3'7";
  • Sail area: 247 sq. ft.


Diagram of the O'Day International Tempest Sailboat

  • Proctor mast and boom (anodized aluminum)
  • Stainless steel rigging
  • Dacron running rigging
  • Complete set light weight blocks
  • Complete Spinnaker gear
  • Spinnaker bucket (molded in deck)
  • Two Elvstom type cockpit bailers
  • Detachable keel
  • Detachable rudder
  • Hiking straps
  • Boom Vang
  • Class reg. number
  • Twin exhaust sailing tubes that extend from cockpit to transom
  • Keel boat stability
  • Self-bailing cockpit
  • Full width adjustable traveller
  • Roller furling jib
  • Cam action jam cleats for all sheets and lines
  • Rolled-in side decks
  • Stowage compartment in stern
  • Swivel type tiller extension
  • Inboard rudder
  • Trapeze wires
  • Lifting sling.

More Specifications | More Information on the Construction and O'Day Sailboats

Riding high on the waves on the O'Day International Tempest

GG Archives REF: BPODY-002-1967-C-CAT

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