The shape of a rotating electric solar wind sail under the centrifugal force and solar wind dynamic pressure is modeled to address the sail attitude maintenance and thrust vectoring. The sail rig ...

When BMW Oracle Racing revealed its 223-foot wingsail for USA-17, racing sailors and casual fans of the America’s Cup were once again schooled in the incredible efficiency of racing with a “wingsail.” ...

We all know how critical sail shape is to performance and that the sheet controlling said airfoil is matched to the job, whether it’s a zero-stretch, minimum-diameter PBO sheet on a mini-maxi blade, ...