> Olin, is the strain gauge measuring torsion, or compression? I don't know since the mechanical design was done when I started with the project and I never saw the insides of a hub. I think I remember someone mentioning torsion, but I'm not sure. ******************************************************************** Embed Inc, Littleton Massachusetts, http://www.embedinc.com/products (978) 742-9014. Gold level PIC consultants since 2000. --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .