Hi Mark,
Somewhere I  read about advances in polymer research that promises even better materials. I have tried to search but I can't find it. Will keep looking .. I recall it had something to do with carbon nanos with magnetic properties.Russian Academy of Sciences ??
 
Richard
 
 
Mark wrote..

Los Alamos National Laboratory patented a lightweight containment system
using Kevlar.  While the Patent was in force, our firm had rights for use
with our polymers.  Now that their Patent has expired we still expect to use
that lightweight system of containment for UMES electron flywheels.

Carbon fiber may prove to be an even better alternative and we are watching
wire development progress with that extremely light material many times
stronger than steel.

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