Month

March 2013
A few images to further explain some characteristics of our Version 1 S foil configuration. Posted in response to questions sent in by some of you. Firstly the effect of foil rake on the angle of attack of the horizontal part of the foil, the part that provides lift in the up/down direction: In the...
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This week we started production of tooling for an improved rudder design for Paradox. Design work from here on in is entirely in-house. Considerable drag reductions should be possible through increasing the efficiency of the ‘L’ surface. This is achieved by improving the aspect ratio of the horizontal foil.  Increasing the aspect ratio dramatically reduces...
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Rerunning the Numbers In light of observations over the season and the ‘below expectations’ performance results, Martin has decided to check and optimise the foil setup on Paradox. Using updated software he plans to compare optimised setups for S foils and for hypothetical C foils similar to ones used by the current generation of A...
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par·a·dox  (par-a-dks) noun 1. A tenet contrary to received opinion. 2. A statement that is seemingly contradictory or opposed to common sense but is nonetheless true. 3. An assertion that is essentially self-contradictory, though based on a valid deduction from acceptable premises.
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Optimising a system such as a sailboat is a fascinating process. Once the basics are right, picking the best settings for different conditions is an art in its own right. Varying degrees of scientific thinking and ‘gut feel’ based on experience seem to be called for and an open mind is definitely an advantage. Even...
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All packed up after the Victorian State Championships, ready for the long drive back to Sydney. The event was run with great efficiency so that we were able to have seven races over three days leaving plenty of time to enjoy the great atmosphere ashore. It is interesting to reflect on the places that our...
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Great interview with Martin Fischer on Catamaran Racing News and Design.Discusses Paradox (on which he consulted providing CFD and optimisation services as well as one of the initial foil geometry concepts) and other foiling multihull projects…
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The end of our Southern summer season is approaching so we have been making best use of each long warm day whenever the breeze has been good.Lots of time on the water for Paradox, putting the theories to the test and giving many interested parties the opportunity to experience A Cat sailing on stable foils....
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