Chesapeake Sailmakers delivers a new Tri-Radial Hydranet Offshore Mainsail to Isbjörn, a 1972 Swan 48’ just in time for the RORC Caribbean 600. 

When Andy and Mia of the World Cruising Club USA approached Chesapeake Sailmakers on building a new mainsail for Isbjörn their requirements called for a strong, durable offshore mainsail capable of world cruising.  Chesapeake Sailmakers traveled to St Thomas to complete a thorough measurement of Isbjörn as well as analyzing the rig set-up and tuning, offering some recommendations.  This enables us to build a better sail as well as offer our customer some insights and suggestions to improve their boat and get the most performance out of their new sail.

Here is the twist, Andy and Mia did not want to sacrifice performance as they have goals to compete in some regattas.  This was a significant request as this offshore cruising mainsail needed to also perform like a racing sail.  Our recommendation was for a Tri-Radial construction using Dimens...