This icebreaker uses a rare bow-mounted propeller to attack the ice from underneath, drawing water below the sheet and helping the ship weaken and break it apart. Instead of just riding up on the ice, ...

A former Air Force engineer charged with making false statements and obstructing justice during a criminal investigation into ...

Abstract: The vessels are powered by propellers that convert engine power into movement. Optimizing propeller design involves numerous variables like diameter and blade count, making exact methods ...