Research of novel electromagnetic catapults with many kinds of uses

In this paper, we firstly describe the wide application of the catapults, and develop a novel electromagnetic catapult that is made up of linear brushless DC motor, describing its basic design process, analyzing various kinds of parameters of the novel linear motor, and finally using finite element software to simulate and optimize the catapult. In addition, we also develop the test prototype machine whose length is one meter, and it can make velocity of 6.75 kilograms projectile reach 10 meters/second. By comparing the simulation with the experimental data, the result is satisfactory. Thus we verify that the novel catapult is feasible further. At last, we present the key technologies and the corresponding solution of practical application. Thus the applied foundation has been made through the above analysis.