Hydraulic engines and motors for ships, boats and sailboats; vehicle pneumatic and hydraulic compressors for the purpose of controlling kite devices which propel ships, boats and sailboats; motors for the purpose of controlling kite devices which propel ships, boats and sailboats; transmission shafts for the purpose of controlling kite devices which propel ships, boats and sailboats; electric motors for the purpose of controlling kite devices which propel ships, boats and sailboats; current g...