MASS x Gravity= Weight
the diffrent gravity do have effect on your mechas.
Location----------Mass-----------Gravity------Weight
Earth ---------------------- 1
Outer space --------------------0
Earth's moon --------------------0.17
Venus ------------------------- 0.90
Mars ------------------------------- 0.38
Mercury ------------------------------ 0.38
Jupiter ------------------------------ 2.36
Saturn ------------------------------- 0.92
Uranus ---------------------------------- 0.89
Neptune --------------------------------- 1.13
Pluto -----------------------------------.07