Carbon pistons?.

[Jim Davies]

On Fri, 22 Jan 1999, Bruce Plecan wrote:

> Key word would normally be Carbon Fiber, what messes that up is
> licensed by NASA.
> 
> >Anyone have any idea what a set of these things would cost?
> >:P
> >Ben

An interesting patent is 4683809, available from IBM {pictures, text as a
graphic] and the PTO [text in ascII]

a carbon-carbon piston does not need rings because of negligable [1/40 of
Al] heat expansion.


4546669 covers a fiber-reinforced synthetic con rod.