Recoverable composite material rotary drum sailboat

A recoverable composite material rotary drum sailboat is characterized in that a telescopic mast recovery cabin is arranged below a deck, a telescopic mast is placed in the recovery cabin, the telescopic mast is riveted with a slewing mechanism, the slewing mechanism is provided with an external shell, the shell is fixed on a lifting platform, the shell is provided with a fixed groove hole, the lifting platform is fixed on a cabin bottom plate of the recovery cabin, and the telescopic mast recovery cabin is connected with the shell. And the shell and the recovery cabin are circular. The telescopic mast is divided into three sections, namely a first section of mast, a second section of mast and a third section of mast from top to bottom, a cylindrical sail surface is fixed on each section of mast, the diameters of the first section of mast to the third section of mast are sequentially increased, and the mast is sequentially nested from top to bottom. And a plurality of C-shaped reinforcing structures are arran