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writing:nautical_solarpunk [2026/05/10 17:15] – [Examples:] JacobCoffinWriteswriting:nautical_solarpunk [2026/05/10 17:22] (current) – [Other Wind-Based Propulsion Technologies:] JacobCoffinWrites
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 Current kite rigs can be sailed within 50 degrees of the wind, meaning they tack to go upwind, like a ship with sails. Kites can be adjusted manually or by an automated system.  Current kite rigs can be sailed within 50 degrees of the wind, meaning they tack to go upwind, like a ship with sails. Kites can be adjusted manually or by an automated system. 
 +
 +===Inflatable wing sails===
 +
 +These are a format for automated, retractable, inflatable wing sails. The company which designs them claims they're suitable for recreational and commercial vessels, such as ro-ro vessels, bulk carriers, LNG carriers, and tankers. They retract for easy passage under bridges and into ports. [[https://interestingengineering.com/innovation/inflatable-wing-sail-technology-merchant-ship|The container ship MN Pélican]] was retrofitted with a prototype version which the designers claim can reduce fuel consumption by up to 20%. 
  
 === Battery ships? === === Battery ships? ===