FR505 Zhaizu

+ 13 *T10 SMG* + 4 *T6 tank track* + 4 *T10 small mech leg* --- ㅤ Early model of [FR506](https://robocraftgarage.shaf.fun/robots/133). They look the similar. In the beginning there were many ways to arrange the legs and tracks. I'm not sure which one to adopt. 505 macro is thiner vertically, whose Main armor can be kept within 3 blocks high. 506 macro is more compact but has bigger front profile. I built both and tested them. It shows that 506 one is better.