Archive | Technical & Go Fast Tips

Smooth as a baby’s bottom? A smooth underwater finish will reduce drag, increase speed and improve fuel consumption. Is the bottom of your boat smooth enough? If you get a group of 5 boaters to sit around the table with a jug of beer to decide on how smooth the underwater part of their boat […]

The Cal 25 mast doesn’t bend fore and aft so we only need to concentrate on mast rake and upper & lower shroud tension. Rake will affect the balance of the boat in regards to the helm. In general, more rake – more weather helm.   Less rake – neutral or potential lee helm. My thinking […]

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Brian Senstone, 2014 With our boats getting older the assumption is that it becomes progressively harder to generate a reasonable level of headstay tension.  A question that is frequently discussed is when the boat is loaded up, does the mast beam give or does the hull actually bend like a banana?  Many of us are […]

By: Erik Ryan, owner USA 632 Earlier this year John McAllister and I had some lengthy discussions about genoa shapes and materials, and we agreed that we’d try to keep the discussion moving forward throughout this season. However, as I reflect back on all the time and effort spent this year in preparation for the […]

By: Erik Ryan, owner USA 632 Greetings fellow Cal 25 sailors! John McAllister and I have been having a good conversation recently about the design and construction of light air genoas, and the overall trim/set-up of the genoa in light air. After some discussion, we both agreed that we should post a lot of the […]