For 50 years, Danish company Gori Propeller has been one of the foremost names in folding marine propellers used on sailboat auxiliary motor drives. These propellers fold into a streamlined form when ...

Subscribe to Marlin magazine and get a year of highly collectible, keepsake editions – plus access to the digital edition and archives. Sign up for the free Marlin email newsletter. You’ve probably ...

The propellers of the world's ships and boats create a constant drone that disrupts ocean life. New propeller designs based on loops could one day quiet that drone and be more fuel efficient. Sharrow ...