One advantage of having two independently controlled bridle legs is the ability to tension just one to keep the boat’s orientation stable.
This report focuses on multihulls, because that is what we sail, but most of what we learned from this project can be applied to monohulls, as well. Our catamaran Josepheline is 38-feet with a 22.5-foot beam and draws 3.25 feet, weighing in at about 7 tons in full cruising mode. To put this into context […]
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As ventilation experts explore ways to make indoor spaces safer during the COVID-19 pandemic, we became curious about ventilation in our boats. As it turns out, where we install our exhaust or intake vents (portlight, hatch, or cowl) is just as important as what type of vent we use. Just as we can use the suction on the leeward side of a sail to pull the boat forward, we can use pressure differentials in the air surrounding the cabin to maximize the ventilation. Understanding the pressure differentials created by the flow of air over our boat’s deck is vital to the success of any passive ventilation scheme.
