Calculates scooptram performance (low-profile charger used in underground mining work) knowing the 7 main variables to determine the duty cycle, these are: (1) section excavated area, (2) advancing by shooting ( 3) specific weight of excavated material, (4) ability scooptram lampón or spoon, (5) while maneuvering (6) Average travel speed (7) distance haulage. Scooptram returns performance in tonnes per hour and the front cleaning cycle in hours.