Duncan It is not that carbon fiber is lighter, it is that it is 5 times stronger than the same single lay up of regular E-glass, so it would take 5 layers of E-glass to equal one layer of carbon fiber. There is where you get either light weight, when it requires strength, so you use carbon fiber in place of multiple layers of glass. If only one layer is called for you get a similar weight but alot stronger part, your choice.
Colin & Bev Rainey KR2(td) N96TA Sanford, FL crain...@cfl.rr.com http://kr-builder.org/Colin/index.html