Since these boats have keels that are 3 meters or more deep to counterbalance the power of the sails, some owners opt for expensive hydraulic lifting systems to raise their keels and sneak into Caribbean anchorages.
Rotherham firm Eadon Consulting providing detailed design services for the operating mechanism as well as developing the hydraulic and electrical control systems.
All planes have batteries, but the Dreamliner needs especially powerful ones because its control systems are driven entirely by electrical signals in place of the hydraulic controls seen on earlier generations of jet.
But patent law has been a feature of legal systems in free nations since Medieval times, and must be honored in hydraulic fracturing just as it is honored where soft drinks are concerned.