Abstract: A launch pad system includes a fuel vent port provided in a launch vehicle, a launch pad fuel tank provided outside the launch vehicle to store fuel, a fuel recovery line connecting the fuel vent port and the launch pad fuel tank such that the fuel is transferred therethrough, and a fuel transfer unit provided on the fuel recovery line to transfer the fuel, wherein the fuel may be recovered from the launch vehicle to the launch pad fuel tank.

Abstract: A horse riding sporting apparatus comprises a saddle support 10 for supporting a saddle 2, the support being disposed in the upper central part of a frame 1; a sliding assembly 20 for moving forward and backward the saddle support 10, the sliding assembly being disposed in the front part of the frame 1; an elevating assembly 30 for moving up and down the saddle support 10, the elevating assembly being disposed in the central part of the frame 1; a buffering member 40 connected to the elevating assembly 30; a first working assembly 50 and a second working assembly 60, for moving up and down the buffering member 40, the assemblies being respectively disposed in the rear and the central part of the frame 1; a driving assembly 70 for driving the sliding assembly 20 as well as the first and second working assemblies 50 and 60; a distance adjusting assembly 80 as well as a first and a second elevation adjusting assembly 90 and 100, respectively for adjusting the sliding distance as well as the vertical elevation; a