There is some good discussion here.
Originally Posted by
Omni.Potent
This might be the first one I have ever read of. Not bad.
Originally Posted by
flatlander_48
Good but not good enough. Strength to weight and stiffness to weight is far superior for carbon fiber.
If you use E-glass, it (the glass) is somewhat inferior. If you use S-glass, it is slightly inferior, but that also hinges on the cost of the S-glass, I suppose. Now quartz fiber would be more interesting, with strengths in excess of 10 GPa.
Originally Posted by
StephenH
Ah yes, I forgot to bring this up. If people tried plastic bicycles, which have relatively low stiffness-to-weight ratios, then of course fiberglass should've been tried from this era as well. I imagine sometime around the 1980's, but I haven't seen anything other than the 1960's example above.