Hi everybody, hope the warmer weather is treating you all ok.

Been thinking about my next landyacht project and come to the conclusion it would be logical to make another FISLY mini. With all the great builds out there I am thinking of reeeaallly stretching my skills and building a Y frame mini . My question though is this; what size and section steel is appropriate for the axles?

Looking at most of the Y frame minis around I see that they have larger dia, round tube, and it has me wondering whether people have found problems using RHS. I know I should just bite the bullet and go with my gut...but the time I have to spend in the shed is so limited I don't want to use it building a lemon

Any discussion appreciated