Trilogy Sailing - the history of multihulls

The story of Derek Kelsall designs and the development of modern multihull yachts

Trilogy III  a Derek Kelsall trimaran.

Three Legs of Mann II - another one of Derek Kelsall's  classic Trimarans

©Copyright. 2026 Trilogy Sailing Ltd . All rights reserved.

Information icon

We need your consent to load the translations

We use a third-party service to translate the website content that may collect data about your activity. Please review the details in the privacy policy and accept the service to view the translations.