Sabot for projectiles of RAM accelerators and projectiles equipped with such a sabot

A pusher sabot for a projectile to be propelled through an accelerator tube including a plurality of end connected tubular sections, a first and a second series of sections consisting respectively of a preaccelerator tube and RAM accelerator tubes, said sabot having an outer periphery portion and at least one sealing element secured thereto, said at least one sealing element comprising an outer surface, said sabot adapted to be accommodated within said preaccelerator tube, said preaccelerator tube having an inner surface in contact with said outer surface of the at least one sealing element when said sabot is in the preaccelerator tube, means for developing a thrust in said preaccelerator tube, said at least one sealing element comprising means for transmitting said thrust to the projectile, said at least one sealing element separating from said sabot when the projectile advances over a connection between the preaccelerator tube and the RAM accelerator tubes, after firing when the projectile is propelled through the preaccelerator and RAM accelerator tubes successively, said sabot further comprising an outer peripheral ring and a subcaliber base plate, the projectile including an aft body portion from which fins radially extend, an inner surface of said outer peripheral ring and an aft outer portion of the fins comprising securing means for securing the fins to said outer ring, said outer ring including anchorage means at its outer periphery, said at least one sealing element being secured to the outer ring by said anchorage means, said outer ring having a central bore with an outer portion defining a shoulder and in which said subcaliber base plate is partly embedded, and wherein at least a portion of the subcaliber base plate is constructed and arranged to separate from the projectile and from the outer ring at a predetermined time.