Owen Clarke Design provides services as consultant designers and engineers to custom and production boat-builders, professional bodies, brokers and project managers worldwide. Services provided include but are not limited to those highlighted on the ENGINEERING and NAVAL ARCHITECTURE pages. Additional disciplines include interior design, composite manufacturing consultancy and expert witness.
The full range of our design tools and staff can be made available. Contract terms are negotiable but are typically based on one of four models:
a) Fixed fee, for a fixed contract delivery or contract duration
b) Fixed fee for one build, plus licence royalties
c) Licence royalties only
d) Daily, weekly, or monthly short term contract rates
Two examples of on-going engineering design consultancy undertaken by Owen Clarke Design are those for the composite materials supplier Metyx and for the New Zealand yard Southern Ocean Marine. Owen Clarke Design have been carrying out on a long term basis composite engineering consultancy for Metyx on behalf of their customers. Projects included the hull engineering of a 100' + luxury motoryacht being built in the Middle East as well as consultancy to several production yards building smaller sports craft and motor yachts.
Southern Ocean Marine completed the construction of the Bill Dixon designed superyacht Liara and OCD undertook the design of the lifting keel and hydraulic system for this 100' sailing vessel. Finite element analysis was used to verify the design concept which has a fabricated steel fin and bulb moving within a hybrid, forged/fabricated keel stub. This allowed for a maximum sailing draft while minimising the impact on the interior. OCD were responsible for liasing with composite engineers SP/Gurit and the certification society as well as working with designers and yard to complete this complex engineering challenge on time and within budget. This project won the design and technology award at the inaugural Showboats Design Awards in Palm Beach in 2009. 
Probably the most prestigous consultancy project we have undertaken was in co-operation with the Mari Cha Design Team during a period of modifications to the world's fastest monohull, Mari Cha 4. This involved an evaluation of the balance of the yacht and a velocity performance prediction investigation. After racing on her at the Regatta de Voiles, in St Tropez and in consultation with the sailing team it was decided to add twin asymmetric daggerboards. The aim of the modification was to improve further the performance of Mari Cha both in upwind and reaching conditions. The positioning, design and engineering of the six metre long boards that are capable of developing more than 9 tonnes of lift for a craft that is 140’ long was also a most technically difficult challenge.
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