alanczik Posted November 10, 2009 Report Share Posted November 10, 2009 Hey all!As a project i have in school in composite matirials.Im thinking of making my own v brake carbon booster.it will by bullt based on my salsa booster (I would be glad to build upon other carbon designs, like the XTR/TrialTech, unfortunately I can't find one).What are the things you would like to see in my booster?Or what different features would you like to see ?the matirials we would like to use are, among others, UMS Carbon rovings, 800 TEX, with elongation of 0.8%.looking for your inputs,ThanxAlan Quote Link to comment Share on other sites More sharing options...
Greetings Posted November 10, 2009 Report Share Posted November 10, 2009 Well, it needs to be stiff. Other than that, I can't think of anything else. It's pretty much the simplest bike part there is. As long as it's U shaped and has holes in it, it will work. Quote Link to comment Share on other sites More sharing options...
jambo Posted November 10, 2009 Report Share Posted November 10, 2009 A good spacing range so it fits lots of frames would be nice to. Quote Link to comment Share on other sites More sharing options...
psycholist Posted November 10, 2009 Report Share Posted November 10, 2009 Are you cutting a plate or laying up your own composite? The boosters I've seen have been cut from a plate. Massive strength benefits are available if the carbon fibres are laid up in the direction of peak stress within the booster. The possibility of making a custom cross section to increase stiffness would be there too, though you'd need a custom mould to autoclave it properly.Word of warning - if you're not wearing a proper face mask or cutting the CF under water, then make damned sure cutting in air is safe. Many CF types produce carcinogenic dust when you cut them... Quote Link to comment Share on other sites More sharing options...
terry26rims Posted November 10, 2009 Report Share Posted November 10, 2009 i've had a go at making a evo 2 booster copy out of carbon. It was as thick as the evo but was too brittle even with weak points taken care of. Keep us posted on how you get on. Quote Link to comment Share on other sites More sharing options...
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