Rudder Tubercles
Paul has designed rudder tubercles to decrease the tendency for stalling in certain cases. Drag is increased somewhat, but stall angle is increased and in the case of rudder arrangements that are likely to ventilate easily, the tubercles act as fences, reducing ventilation and subsequent flow detachment. Thanks for inspiration goes to Megaptera novaeangliae. BACK…
Catamaran Ferry Foil
Carbon Composite Passenger Ferry Foil Bieker Boats re-engineered and provided construction guidance for the second lifting foil fitted to a catamaran passenger ferry built by All American Marine of Bellingham, WA. The foil was part of a package designed by Teknicraft Design to test the concept of a low-wake passenger ferry for the run from…
AC72 Cat’s Cradle
AC72 Wing Handling and Platform Cradle Design Bieker Boats designed and engineered the cradle for the Artemis team’s America’s Cup AC72 catamaran. A system of custom aluminum trusses, hinged to lay flat or lock in place vertically when the cradle is moved, support four carriages with hoists at the corners which raise and lower the…