Inclined plane, now horizontal

Shock velocity: up to 14 km/h
Payload capacity: up to 1 t
Dimensions: up to 1.5 m x 1.5 m x 2.5 m, bigger upon request
Impact surface (to bounce against): steel plate 2 m x 2,5 m; 30 mm thick, cast on reinforced concrete block
Active material (concrete block): >25 t