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Corti Creare
The servo is hooked up to the Arduino via pin 9. I've uploaded one of the example sketches you get with Arduino ISP called 'Servo Sweep'. The servo is powered by a 24 volt rough DC supply as you can see in the video. The 20mm steel boss was machined and bored out concentrically to 8.0 mm. A 5.0 mm hole was drilled in the side of the boss and tapped to take an M6 grub screw. The boss was welded into a piece of 1/8 inch steel plate to make the servo arm.
Join us as we explore the perfect downwind sailing conditions, a crucial aspect of sailboat racing and a key factor in achieving fast downwind sailing speeds. In this video, we'll be sailing on a J109, a popular choice for IRC racing and keelboat racing, and will be focusing on sail trim and boat speed to get the most out of our downwind sailing experience. With expert racing tips and a deep understanding of how to sail, we'll be pushing our J109 to its limits on the waters of Strangford Lough, home of the Quoile Yacht Club. Whether you're a seasoned pro or just starting out with sailboat racing, this video is packed with valuable insights and tips on everything from spinnaker flying to optimizing your sail trim for maximum speed sailing. So if you're looking to improve your downwind sailing skills and take your sailing to the next level, be sure to watch this video to learn from our experience and expertise in performance sailing and yacht racing. With years of experience in IRC racing and a passion for fast and competitive sailing, we're excited to share our knowledge with you and help you achieve your sailing goals. The team at bottom up boats hope you are enjoying our short clips from the 2026 racing season