For examining flight performance of kg-order weight laser propulsion vehicle, scaling theory for the vehicle mass, the vehicle size, and the input energy is constructed to maintain a dynamical equivalence between the laboratory scale and the actual launch scale. The scaling law based on the equations of motion is confirmed by the numerical simulation for the impulse generation by the blast wave with a single pulse. Restriction of the kinetic scaling for the single pulse is assessed through the simple vertical motion of the vehicle, and the limit vehicle velocity is estimated as 104 m/s. For multiple pulses, the stable beaming-flight of the 1-kg and 10-kg vehicles is achieved with an active control technique based on the genetic algorithm. The dynamical equivalence for the multiple pulses is also examined using the flight simulator.