Hidden Pages

The relationship between displacement, power and performance in IMOCA Open 60 design The optimition of IMOCA Open 60 design to the rule has always been a complex trade off between power and displacement to maximise performance in a range of different sailing conditions. In this article we discuss some of the trade offs.

Etoile Magique – 24m Blue water cruising charter catamaran for sale-Redesign Launched in 2005, this 82' blue water maxi charter catamaran is capable of long distance blue water cruising and passage making. She is now offered for sale by OC Performance as a charter or cruising cat, with potential for modification to suit a new owner’s needs.

Tuning of appendages for an IMOCA 60 yacht This paper describes the research and development process that was followed to tune the appendage configurations for a new Owen Clarke Design IMOCA Open 60. This commenced from the known performance development of previous designs, through VPP prediction and sail selection charts for different sailing conditions to tank test setups and reviewed with CFD calculations.

Performance yacht design 101 This is an introduction to a series of articles posted on the subject of performance racing, cruising and cruiser racer sailboat design. The aim is to be informative, in some cases to reinforce knowledge and in others to dispel some commonly held beliefs. We’ll draw on over thirty years in the business of yacht design and naval architecture.

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Rocker – the secret of high performance with control This article discusses the relevance of rocker, chine and hull shape on the dynamics and naval architecture of high performance yachts. Owen Clarke Design are yacht designers and naval architects with considerable experience of working at the cutting edge of yacht design

Marine weather analysis and routing in support of racing yacht design This is a short report used in response to enquiries for medium size IRC yachts. The work is based on the hull development and weather routing analysis undertaken for our latest Class 40 project and how it relates and is transferable to our custom IRC 36 and IRC 401 designs.

Racing yacht performance data logging and analysis Owen Clarke Design provide a unique service for racing yacht performance prediction and analysis using the KND performance software package which integrates with navigation software such as Deckman, Expedition and Adrena.

An explanation of common Naval Architecture terms We were recently asked by a client's project manager to produce glossary and explanation using more common words for of some of the every day yacht design terms we use as naval architects. At some point the intention is to add some pictures/graphics and expand this page into a concise dictionary.

Megan Test

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