my go kart has 2 rear axles.. 1 for each wheel.. power is transmitted to 1 wheel only while other wheel has a bearing for it to rotate.. thing is i want my kart to be really light.. so i was thinking of cutting the axle on which power is transmitted and make it short... so there will a be a huge gap between my 2 rear axles.. is it right to cut the axle? does length of axle play any role?
