I believe most of the F1 hubs / uprights are now laster-sintered titanium.......this literally allows any shape the be constructed and you are hardly limited to any manufacturing constraints.......the F1 roll-hoop structure is also made this way......check this link........be warned its uber-expensive.......for a formula student car dont forget you need to do a presentation that implies your actually on a budget , selling a car in a competitive environment........therefore I would consider a fabricated design which is both light and cost effective
http://i.materialise.com/blog/entry/...nt-in-titanium
http://www.3trpd.co.uk/dmls.htm
http://www.gizmag.com/3d-printed-tit...e-frame/30760/
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