Articles & Content

Traveler Maintenance Video with McLube OneDrop™

Chris Larson demonstrates Harken traveler maintenance and the benefits of McLube OneDrop ball bearing conditioner.

Evolution of the TTR AirBlock

“Racing brings on head-scratching innovation,” said Peter Harken about Harken’s long involvement in the America’s Cup. Ethan Brown’s article traces the development of the TTR AirBlock®,

Ratchet Blocks

You hear them across every racecourse, telling you your competitors are trimming sheets and adjusting controls. But ratchet blocks are more than just noisy psychological weapons. They're an indispensable piece of hardware on dinghies, one-designs, and even cruising boats. Understanding ratchets and effectively designing them into your hardware systems will allow you to trim and make adjustments with more precision.

Windward Sheeting Simplifies Tacking

A patented slider mechanism allows cars to be pulled to windward without releasing the leeward control line. Tack, and the car stays in the same position, ready to be pulled to the new windward side. Boats from dinghies to 13.7 m (45 ft).

Traveler Systems


Mainsheet 2-Speed Systems


150 Cam-Matic® Cleat Rebuild Video

Step-by-step instructions to rebuild your Harken 150 Cam Cleat.

Spinnaker Systems


Cunningham Systems


Block Loading vs. Angle of Deflection

Harken Loading Formulas: Block loading vs Angle of Deflection


  • United States
  • Australia
  • France
  • Italia
  • New Zealand
  • Polska
  • Sverige
  • UK