Traditionally we were all told that chines were draggy, induced vortices and were slow. But in restricted dinghy classes where different hull designs are allowed chines predominate. And now chines are appearing on yachts as well. Sailors seem to be voting with their feet. Is there evidence?
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A new lightweight 12ft plywood dinghy under development. This prototype by Canadian Rick Landreville. It won’t have a cloud of sail area,but will be light enough low drag enough to hit consistently high speeds relative to other boats of this length.
Nice little video showing the easy speed of the Goat Island Skiffs in moderate conditions. Venue is the Small Reach Regatta. It also shows the standard cat rig and the optional Yawl rig.
Malcolm Eggins, boat builder and designer has passed away. A small tribute to one of the many people that has influenced me and many other sailors and designers. He was a part of the development of Moths, NS14s, VJs, VeeEsses and many other Australian racing dingies as a builder and designer along with his son Darryl. He won several State Championships.
BETH sailing canoe – The designer has lots of fine things to say about the sailing performance of BETH – but Andrew Barclay has been racing his against mixed fleets in British Columbia where she sails equal with Laser Radials in light wind and gradually outclasses them in stronger. I provide some tips about getting a bit more from the boat.
OK … it IS a rant. But it was prompted by the very legitimate question about why have a mizzen sail. But sadly I descend into a rant about how expense is a really poor predictor of performance.
Some examples of sailing nicely in the Goat Island Skiff, reversing, sailing at nice speed in comfortable conditions. Locations are San Diego, Australia, Texas, Florida and Maine
A small collection of the many videos of the Goat Island Skiff Planing fast in different places around the world.
It always bugged me about how people said that some powerboats and fast sailing dinghies would “plane” to reach high speed. But multihulls reach higher speed, but they “don’t plane”. It’s illogical to have two different explanations. Also how a classical “displacement hull” go much faster on an ocean wave. Theory says it has a speed limit no matter the power you throw in. I worked out a reasonable explanation for all this but it shows “planing” does not exist.
Finally I finished the plan for the new OzRacer RV. It is a much simpler build of the original OzRacer concept so will be very attractive to people looking for a first boat. Plans are still the old $20 but even more detail than before. Order the plans for the simple and cheap OzRacer RV […]
The OzRacer Mk3 has been rebranded as the OzRacer RV. Detailed plan – a boatbuilding course in a book for $20 each. So now racing sailors can use the OzRacer Mk2 and cruising sailors can use the OzRacer RV plan. The RV is no slouch though – it won the World titles in 2010.
The rudderbox design I use has distinct advantages over normal swinging rudder setups. Once you try this design you will never be satisfied with a swinging blade again. But some of the details are important!
In the late 70s as a sailing teenager I drew boats on every available paper surface. A new book “a lighter ton” describes the exciting development of racing yachts to create newer, lighter, faster and cheaper and FUNNER boats. Many of the developments were from New Zealand designers such as Bruce Farr, Paul Whiting and Laurie Davidson. A new book by Richard Blakey covers this exciting experimental period in yacht design
This is an article about how bias in thinking produces weird results in terms of boat designs. I compare a silly boat design trend of 100 years ago with modern canting keel maxi yachts. Personally I don’t think they should be allowed to use engines to run the keels and the various systems – if they do then they should be disqualified from the event results. The conventional human powered boats should be listed as the winners of events.
Golfballs go further because of those dimples on the surface. Would it make sense to have those dimples on a boat hull? It is not quite that simple as this little article attempts to explain.
John Goodman and I sailed the immaculate Goat Island Skiff he built from my plan in the Texas 200. The boat showed itself to be one of the faster in the fleet despite loading up such a short boat with food, water and camping gear for six days with little outside support. We played with sailing the boat by the lee – a method used by racing boats to gain both speed and control. I document the method here including a video showing how the angle of heel can be controlled using the mainsheet.
Dete Hasse and his family built a Goat Island Skiff in Geelong, Victoria a while ago. He has just written to me about his experiences trying to sail on Port Phillip Bay and more happily on the recently refilled (the drought is over!) Lake Eppalock. Also he makes some good comments about reefing and how it changes an overpowered boat into a much more rriendly beast in stronger winds.